According to IBISWorld’s 2026 Telemarketing & Call Centers in the US Industry Report, the industry includes approximately 45,130 businesses, with the number of establishments growing by 4.2%. These figures reflect the size, competitiveness, and continued expansion of the US call center market.
While thousands of companies operate in this sector, market influence is concentrated among a smaller group of large organizations. This includes both major outsourcing providers and corporations that manage extensive in-house call center operations.
This guide highlights the largest call center companies in the US based on their size, service capacity, and operational reach.
Key Highlights
- US call center operations span both outsourced BPO (Business Process Outsourcing) providers and large in-house corporate teams, supporting high-volume customer service, technical support, sales, and omnichannel engagement.
- Major outsourced call center leaders in the US include Teleperformance, Concentrix, Foundever, Alorica, and TTEC, which deliver large-scale outsourced CX (Customer Experience) and business process services across industries.
- Leading companies operating massive in-house call center networks in the US include Amazon, AT&T, Verizon, JPMorgan Chase, and Wells Fargo, supporting their own products and services at a national scale.
Top 25 Largest Call Center Companies in the US
The largest call center companies in the US are Teleperformance, Concentrix, Foundever, Alorica, and TTEC. They help businesses handle high volumes of interactions efficiently across industries like healthcare, finance, and technology.
(Methodology: This list is based on company reports and industry data identifying the largest US call center operations. Selections are determined by employee headcount, number of locations, and overall market influence. It distinguishes between outsourced BPO providers and large in-house corporate teams to show overall operational scale rather than a strict ranking.)
Largest Global BPO & Call Center Companies in the US
These firms are the “Big Players” that provide outsourced customer experience, technical support, and business process management to other corporations worldwide.
1. Teleperformance
Teleperformance is a major provider in the US call center and customer experience market, supporting large-scale enterprise and government programs nationwide. The company delivers customer care, technical support, and back-office services through onshore, nearshore, and remote agent models, serving highly regulated and mission-critical industries.
- Established: 1978
- Annual Revenue: ~$11.2 Billion
- Total Employees: ~500,000 Global
- Headquarters: Paris, France (US HQ: Murray, Utah)
- Primary US Sectors: Healthcare, Finance, Tech, and Government
2. Concentrix
Concentrix is a leading US-based customer experience and technology-enabled services provider, known for managing complex, high-volume customer interactions for global brands. The company combines contact center operations with digital transformation, analytics, and CX consulting, making it a strategic partner for organizations undergoing large-scale customer experience modernization.
- Established: 1983
- Annual Revenue: ~$10.1 Billion
- Total Employees: ~450,000 Global
- Headquarters: Newark, California, USA
- Primary US Sectors: Technology, Financial Services, Healthcare, Retail, and Automotive
3. Foundever
Foundever is a global customer experience provider formed through the merger of Sitel Group and SYKES Solutions. The company delivers customer care and technical support through a cloud-first model that enables flexible on-site and remote operations for major global brands.
- Established: 1985
- Annual Revenue: ~$4.0 Billion
- Total Employees: ~170,000 Global
- Headquarters: Miami, Florida, USA
- Primary US Sectors: Travel & Hospitality, Retail/E-commerce, Healthcare, and Finance
4. Alorica
Alorica is one of the largest minority-owned BPO providers in the world, renowned for its massive footprint in the North American market. Moreover, it is one of the best healthcare call center companies in the US. The company specializes in delivering high-volume, digitally charged customer experiences through a “performance-meets-precision” delivery model.
- Established: 1999
- Annual Revenue: ~$2.4–$3.0 Billion
- Total Employees: ~100,000 Global
- Headquarters: Irvine, California, USA
- Primary US Sectors: Healthcare, Financial Services, Retail/E-commerce, and Technology
5. TTEC
TTEC is a US-based customer experience technology and services company focused on the full customer journey. The company operates through two segments, TTEC Digital for CX technology and TTEC Engage for customer care delivery. This model allows TTEC to help enterprise clients modernize contact centers while supporting large US-based remote and on-site workforces.
- Established: 1982
- Annual Revenue: ~$2.4 Billion
- Total Employees: ~60,000 Global
- Headquarters: Englewood, Colorado, USA
- Primary US Sectors: Public Sector, Healthcare, Financial Services, and Automotive
6. Sutherland Global Services
Sutherland Global Services is a leading US-based digital transformation and customer experience company that helps enterprises optimize front-to-back office processes. The company combines design thinking with proprietary AI tools to streamline operations, improve efficiency, and anticipate customer needs across industries.
- Established: 1986
- Annual Revenue: ~$2.4 Billion
- Total Employees: ~75,000 Global
- Headquarters: Pittsford, New York, USA
- Primary US Sectors: Technology, Banking & Insurance, Mortgage Services, and Entertainment/Gaming
7. Conduent
Conduent is a premier provider of diversified business process services that manages mission-critical interactions for both commercial enterprises and government agencies. In the US market, they are a primary force behind large-scale public sector programs, including automated tolling, healthcare eligibility, and digital payments.
- Established: 2017
- Annual Revenue: ~$3.8 Billion
- Total Employees: ~55,000 Global
- Headquarters: Florham Park, New Jersey, USA
- Primary US Sectors: Public Sector (Government), Healthcare, Transportation, and Financial Services
8. TaskUs
TaskUs is one of the top call center and digital BPO companies in the US, recognized for supporting high-growth technology companies and next-generation digital brands. Purpose-built for the modern digital economy, TaskUs delivers CX solutions, Trust & Safety services, and advanced AI support for some of the world’s most innovative platforms.
- Established: 2008
- Annual Revenue: ~$1.14 Billion
- Total Employees: ~63,800 Global
- Headquarters: New Braunfels, Texas, USA
- Primary US Sectors: Hi-Tech, Social Media, FinTech, and HealthTec
9. VXI Global Solutions
VXI Global Solutions is one of the leading call center outsourcing companies in the US, known for its technical expertise and high-performance sales culture. Backed by Bain Capital, the company has a strong operational presence across North America and mainland China. VXI focuses on CX Acceleration using proprietary tools and AI-driven training to deliver high-touch customer support for global telecom and consumer electronics brands.
- Established: 1998
- Annual Revenue: ~$1.6 Billion
- Total Employees: ~42,000 Global
- Headquarters: Los Angeles, California, USA
- Primary US Sectors: Communications & Media, Financial Services, Technology, and Retail
10. EXL Service
EXL Service is a leading US-based company specializing in analytics, digital operations, and business process management. The firm helps organizations transform and improve operational performance using data, AI, and industry expertise. It applies advanced analytics and machine learning to automate workflows, enhance customer engagement, and deliver better outcomes across complex business functions has transitioned into a global leader in Agentic AI and advanced technology solutions.
- Established: 1999
- Annual Revenue: ~$2.08 Billion
- Total Employees: ~63,000 Global
- Headquarters: New York, NY, USA
- Primary US Sectors: Insurance, Banking & Financial Services, Healthcare, and Utilities
11. Genpact
Genpact is an American information technology services and consulting firm that has evolved into a global leader in Agentic AI and advanced technology solutions. Founded as a captive unit of General Electric, it is now a publicly traded company on the New York Stock Exchange. Genpact specializes in digital operations and Data-Tech-AI services, with strong expertise in process intelligence rooted in Lean and Six Sigma methodologies.
- Established: 1997
- Annual Revenue: ~$5.1 Billion
- Total Employees: ~147,000 Global
- Headquarters: New York City, USA
- Primary US Sectors: Financial Services, Consumer Goods & Retail, Life Sciences, and Healthcare
12. Transcom
Transcom is a Swedish-founded global provider of digital customer experience with a growing presence in the US market. The company supports both fast-growing disruptor brands and established enterprises. Its “Smart-Shoring” model combines onshore US agents with nearshore and offshore teams to optimize cost and quality.
- Established: 1995
- Annual Revenue: ~$820 Million
- Total Employees: ~33,000 Global
- Headquarters: Stockholm, Sweden (US Operations based in Greenville, SC)
- Primary US Sectors: E-commerce & Tech, FinTech, and Logistics
13. IntouchCX
IntouchCX (formerly 24‑7 Intouch) is a global customer experience and contact center outsourcing provider with a notable presence supporting US enterprise customer engagement programs. The company delivers omnichannel support across voice, chat, email, and social media, integrating technology and human service to enhance customer interactions.
- Established: 2000
- Annual Revenue: ~$1.2 Billion
- Total Employees: ~25,000 Global
- Headquarters: Aurora, Colorado, US
- Primary US Sectors: E-commerce & Retail, Technology/SaaS, Media & Entertainment, and Food Delivery
14. IBEX
IBEX is a leading digital customer experience provider known for its “BPO 2.0” approach, supporting high-growth startups, scale-ups, and enterprise brands across the customer lifecycle. The company blends AI-driven technology, including its proprietary Wave iX solutions, with human expertise to deliver omnichannel and digital-first CX at scale.
- Established: 2017
- Annual Revenue: ~$620 Million
- Total Employees: ~36,000 Global
- Headquarters: Washington, D.C., USA
- Primary US Sectors: Retail & E-commerce, HealthTech, FinTech, and Travel & Logistics
15. ResultsCX
ResultsCX is a Customer Experience Management (CXM) provider that designs and delivers digitally influenced, resolution-centered customer journeys. The company combines its proprietary IntelliAgent AI platform with human-led service to manage complex interactions at scale. Through its “3D” model, Design, Deploy, and Deliver, ResultsCX helps large enterprises improve efficiency, accelerate revenue, and enhance customer outcomes.
- Established: 1990
- Annual Revenue: ~$3.2 Billion
- Total Employees: ~26,000 Global
- Headquarters: Fort Lauderdale, Florida, USA
- Primary US Sectors: Healthcare, Banking & Financial Services, Telecom & Media, Retail, and Fast-Growth Tech
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Large In-house Call Center Employers in the US
Unlike the companies above, these organizations run their own massive internal call centers to support their own products and services.
16. AT&T
AT&T operates one of the largest in-house call center networks in the United States to support its wireless, broadband, and enterprise services. The company employs tens of thousands of customer service, technical support, and sales agents across US-based contact centers and remote work programs. These internal teams handle billing support, network troubleshooting, device assistance, and account management directly for AT&T customers.
- Established: 1885
- Total Employees: ~141,000 Global
- Headquarters: Dallas, Texas
- Primary US Sectors: Wireless Mobility, Consumer Fiber, and Business Connectivity
17. UnitedHealth Group
UnitedHealth Group (UHG) relies on an extensive in-house healthcare contact center ecosystem to support its UnitedHealthcare insurance platform and Optum Health services division. Their internal agents manage incredibly complex interactions, ranging from claims adjudication and clinical coordination to helping members navigate the Medicare and Medicaid systems.
- Established: 1977
- Total Employees: ~400,000 Global
- Headquarters: Minnetonka, Minnesota, USA
- Primary US Sectors: Medicare & Retirement, Employer & Individual Plans, Pharmacy Benefits (OptumRx), and Clinical Care Coordination
18. Verizon
Verizon maintains one of the largest in-house customer service operations in the United States, supporting more than 146 million wireless subscribers and an extensive fiber-optic network. The company uses a hybrid service model, relying on a large domestic workforce for technical troubleshooting and complex account management. This is complemented by 24/7 digital support through its Virtual Contact Center technology.
- Established: 2000
- Total Employees: ~89,900
- Headquarters: New York City, NY, USA
- Primary US Sectors: Wireless Mobility (Consumer & Business), Fiber Broadband (Fios), and 5G Home Internet
19. Wells Fargo
Wells Fargo operates a massive in-house customer service network that is central to its status as one of the largest financial institutions in the US. Its internal call centers are highly specialized, handling sensitive transactions such as mortgage servicing, wealth management, and fraud prevention. The bank has recently focused on “Data-Tech-AI” initiatives to streamline operations while also navigating a significant labor movement.
- Established: 1852
- Total Employees: ~205,000 Global
- Headquarters: San Francisco, California, USA
- Primary US Sectors: Consumer Banking, Home Mortgages, Credit Cards, and Wealth & Investment Management
20. Amazon
Amazon operates a massive in-house customer service and support organization to manage its e-commerce, logistics, device, and cloud businesses. Its internal teams handle order support, returns, account issues, delivery coordination, and technical assistance for Amazon devices and services.
- Established: 1994
- Total Employees: ~1.46 Million
- Headquarters: Seattle, Washington, USA
- Primary US Sectors: E-commerce Order/Logistics Support, Technical Support (Alexa/Kindle), AWS Billing/Account Management, and Prime Membership Services
21. Bank of America
Bank of America operates one of the world’s most sophisticated internal customer service ecosystems, integrating traditional human expertise with industry-leading digital innovation. Their internal support structure is divided across specialized divisions, including Consumer Banking, Global Wealth (Merrill), and Global Markets, ensuring that clients receive tailored assistance from subject matter experts.
- Established: 1904
- Total Employees: ~213,000 Global
- Headquarters: Charlotte, North Carolina, USA
- Primary US Sectors: Consumer Banking, Credit Card Services, Merrill Investment Support, and Small Business Solutions
22. JPMorgan Chase
JPMorgan Chase operates the largest in-house banking customer service network in the United States, supporting more than 80 million customers across its consumer and institutional brands. Its internal teams handle a wide range of services, including everyday banking, credit card support, and account management. The organization also manages complex, high-risk interactions such as fraud prevention and private wealth services through specialized in-house teams.
- Established: 2000
- Total Employees: ~310,000 Global
- Headquarters: Park Avenue, New York City, USA
- Primary US Sectors: Consumer & Community Banking (Chase), Investment Banking, Asset & Wealth Management, and Commercial Banking
23. Comcast (Xfinity)
Comcast operates a large in-house customer service organization supporting its Xfinity residential brand and Comcast Business services. The company manages millions of customer connections, with internal teams handling technical support, billing, service provisioning, and account management across domestic call centers and retail locations.
- Established: 1963
- Total Employees: 182,000 Global
- Headquarters: Philadelphia, Pennsylvania, US
- Primary US Sectors: Broadband/Xfinity, Mobile (Xfinity Mobile), Cable TV, and NBCUniversal
24. Blue Cross Blue Shield
Blue Cross Blue Shield is a national federation of 33 independent and locally operated health insurance companies that collectively provide coverage to one in three Americans. Because BCBS is a federation rather than a single entity, its massive in-house call center operations are distributed across the country, with major employers like Elevance Health (formerly Anthem) and Health Care Service Corporation (HCSC) managing the largest domestic hubs.
- Established: 1929 (Blue Cross) / 1939 (Blue Shield); merged in 1982
- Total Employees: ~150,000
- Headquarters: Chicago, Illinois, US
- Primary US Sectors: Commercial Health Insurance, Medicare, Medicaid, and Federal Employee Program (FEP)
25. Humana
Humana is a leading American health insurance company that operates an extensive internal customer service network focused on integrated care delivery. Their in-house support teams are critical to managing the complex needs of their Medicare Advantage, Medicaid, and military (TRICARE) members.
- Established: 1961
- Total Employees: ~65,700 Global
- Headquarters: Louisville, Kentucky, USA
- Primary US Sectors: Medicare Advantage (MA), CenterWell (Health Services), and Medicaid
2. Services Offerings
Make sure the call center you choose offers all the services you need. Check if they assist, such as technical support, inbound and outbound calls, email and chat support, social media management, or telemarketing.
3. Customer Reviews
You should seek and check recommendations from other customers while considering selecting a call center. You will get an idea of the company’s reputation, reliability, and service quality according to their regular client’s experiences with the help of the reviews.
4. Security and Compliance
Security and compliance are the most critical factors when picking out a call center. You should ensure that a call center follows every rule to protect customer data and comply with industry standards to maintain client trust.
5. Cost Structure
Understanding the cost structure will also guide you in the type of call center and services you desire. Compare the initial setup fees, per-call charges, hourly rates, and monthly fees to your financial estimate and verify if they fit into your plan.
6. Industry Experience
Looking for a call center with experience in your field is essential because it better understands your challenges and requirements. A call center with many years of exposure leads to a more successful service.
7. International or Global Reach
If you run a business internationally, consider choosing a call center that can handle international or global calls. It helps you provide support in multiple languages and consistent service to your clients.
8. Communication and Collaboration
While choosing a call center, you must pick a company that communicates well with you and can work seamlessly with your team.
9. Technology and Industry Trends
You must ensure that the call center you select is up-to-date with your modern technologies, such as using the latest software, having a robust business phone system, and integrating with your CRM.
10. Scalability
It will be a great choice if the call center can boost your business, addressing more calls as you expand. A call center must scale its operations and meet the increasing needs, handling peaks without compromising quality.
11. Performance Metrics and Reporting
Performance metrics and reporting are other factors that you should look for when selecting your desired call centers. You can track your business success and work in improvement areas with the help of performance metrics like average handle time, customer satisfaction scores, and first-call resolution.
12. Agent Training
Knowing how well the call center trains its agents to handle your customers professionally will assist you in choosing the right call center for you. Well-trained agents can handle customers’ problems efficiently and also provide them with a high-quality service.
13. Quality Assurance Processes
When choosing a call center, you should ask about their processes to maintain high-quality service. With quality assurance practices, a company monitors and evaluates each call, ensuring that the service remains high-quality and meets your principles as usual.
15 Largest Call Center Companies in the US
The United States has more than 42,000 call centers, while only a few are trusted by the people. The following are the 15 largest call center companies in the United States:
1. Alorica
Alorica is a customer service BPO deader founded in 1999 and has a total revenue of $2.4 billion, employing around 100,000 employees. With over two decades of experience in the industry, it has established itself in a strong position in customer service solutions.
While the headquarters is in Irvine, California, United States, it has a global presence with over 100 locations in 14 countries, including South Africa, the Philippines, Bulgaria, Egypt, and Poland.
With its extensive network, Alorica serves clients across different regions, offering you services related to customer care, tech support, sales, and back-office solutions. They are mostly recognized for their focus on combining technology with the human touch to boost customer experiences.
Therefore, their operational scaling ability without compromising the quality of service has contributed a lot to position themselves as the largest call center company in the United States.
2. Blue Cross Blue Shield
Blue Cross Blue Shield, offering customer support for health insurance plans, is a federation of health insurance organizations established in 1929. With a total revenue of $15.3 billion, it employs roughly 40,832 people committed to providing services such as customer support.
Headquartered in Chicago, Blue Cross Blue Shield primarily focuses on and operates within the United States, while few of its organizations may offer coverage for members who travel internationally.
Along with the help of its call center, it provides various health products, individual/group health plans, and Medicaid/Medicare services. Likewise, their customer support also assists clients with their insurance necessities.
BCBS/BCBSA has remarkably impacted the American health insurance industry, shaping healthcare policies and regulations. The company effectively addresses clients’ healthcare-related queries.
3. Citigroup
Citigroup’s call center performances are a part of its huge global financial services network. It was formed by merging Citicorp and Travelers Group in 1998. Its origins date can be tracked down to the founding of the City Bank of New York (Citibank) in 1812.
The organization has $78.46 billion in revenue and employs around 200,000 people worldwide, including almost 29,171 in its call centers. It has a strong global presence in over 160 countries, with over 2,400 branches and offices available in the United States, Australia, the United Kingdom, China, Germany, Brazil, etc.
Citigroup has provided various financial services via its call centers, including retail banking, investment banking, wealth management, and transaction services. With its widespread global network, it has been a pioneer known for its comprehensive customer service, maintaining high satisfaction by providing timely and efficient support.
4. Teleperformance USA
Teleperformance USA, a global leader in outsourced omnichannel customer experience management, has over three decades of experience in the industry. While it was established in 1992, its parent company, Teleperformance, headquartered in Paris, France, was founded in 1978.
The organization has grown over the years, makes $6.68 billion a year globally and has established a strong presence in the United States as a leader in its field, employing 380,000 people.
Teleperformance offers customer services, technical support, and sales in over 80 countries, including the Philippines, Brazil, Mexico, and Europe. It is widely famous for setting high customer service and efficiency standards by using AI and automation.
5. Bank of America
Bank of America, established in 1904, is a global financial institution with operations in over 35 countries, including Canada, the United Kingdom, and various countries in Europe, Asia, and Latin America. With 308.20 billion in revenue, the company has around 28,144 employees in its call center.
Serving individual and business customers, Bank of America offers banking, loan services, and credit card support, focusing on integrating digital banking with personalized customer service. Its call centers are widely famous for their excellent customer service, and they use a range of communication features – including Automatic Call Distribution (ACD), number sharing, and call analytics – to improve how they help customers.
6. VXI Global Solutions
VXI Global Solutions is one of the largest call center companies in the United States, with around 35,000 employees globally and $3.9 billion annual revenue.
Founded in 1998, the BPO company offers customer care, tech support, sales, and back-office processing services in countries like the United States, China, the Philippines, Malaysia, and others. With 26 years of industry experience, it is appreciated for its innovative solutions and high-quality service, setting high standards in the outsourcing industry.
Therefore, the company’s capability to adapt to changing market demands and integrate advanced technologies has equally contributed to positioning it as a leader in the outsourcing sector.
7. Concentrix
Concentrix, originally a part of SYNNEX Corporation, is now its own call center company, established in 2006. It has roughly $6 billion annual revenue (2023) and over 250,000 employees worldwide.
It is headquartered in Fremont, California, and operates in more than 40 countries, such as Canada, Australia, Japan, the United Kingdom, and others. The company helps manage customer experiences, providing IT and technical support.
With a strong presence worldwide, Concentrix is recognized for using its advanced technology to offer IT solutions to customers, focusing on digital transformation and CX optimization using advanced analytics.
8. Sitel Group
Sitel Group, founded in 1985, has almost 40 years of experience in the call center industry and earns roughly $2.2 billion in revenue annually. This customer experience technology company, headquartered in Luxembourg City, has approximately 160,000 employees worldwide. It reaches over 27 countries like North America, Europe, Africa, Asia-Pacific, and the Middle East.
Sitel Group, offering customer care, tech support, and sales services, helps businesses engage with customers and improve operations.
It has influenced the customer experience industry and upgraded remote work options, integrating technology for better insights and setting quality service and employee training benchmarks.
9. Verizon
Verizon is a telecommunication company created in 2000 after merging Bell Atlantic Corp. and GTE Corp. With about 40,614 employees, it made 134 billion as of 2023.
The company operates in various countries across Europe, Asia-Pacific, and Latin America, while the main operations are in the United States. With 24 years of experience, it offers support for wireless, broadband, and TV services.
Therefore, Verizon is one of the leaders in the industry, popular for its mobile network with its advancements in providing a reliable 4G LTE network and pushing 5G technological progress.
10. Sykes Enterprises
Sykes Enterprises is another of the largest call center companies in the United States. It was founded in 1977 in Charlotte, North Carolina, With a large workforce, it operates in 23 countries across North America, South America, Asia-Pacific, Europe, and Africa.
With 55,000 employees globally, Sykes Enterprises offers customer service, technical support, and sales service, entirely focusing on digital marketing and customer engagement solutions.
Therefore, the company positively impacts the industry with its efficient customer service solutions and use of technology to help businesses worldwide.
11. AT&T
AT&T is a telecommunication company originally founded as Bell Telephone Company in 1880. Headquartered at Whitacre Tower in Downtown Dallas, it has roughly 149,900 call center employees and a revenue of 122.4 billion as of 2023.
Along with the United States, it supports wireless, internet, and TV services. It implements its advanced self-service and call routing options in several countries across Europe, Asia-Pacific, and the Middle East.
12. GEICO
The Government Employees Insurance Company (CEICO) is also the largest call center company, established in 1936. As of 2023, it has 39.2 billion U.S. dollars and 40,000 employees worldwide.
The organization primarily operates in Chevy Chase, Maryland, United States, and has numerous regional offices and call centers nationwide.
GEICO effectively offers auto insurance, property insurance, and customer support services. Therefore, its innovative approach to selling insurance directly to clients and its competitive pricing and advertising campaigns have made it one of the largest auto insurance companies in the U.S.
13. Wells Fargo
With a significant presence in the United States, Wells Fargo was formed as a financial services company in New York City in 1852.
Over its long history, the company has roughly 82.6 billion revenue as of 2023. It has approximately 194K employees across 6 continents, including Asia, Europe, and North America.
Wells Fargo offers banking, loans, mortgages, investment services, and customer support services to individuals, businesses of all sizes, and institutional clients. With its extensive branch network, it is widely known for its diverse product offerings and for integrating digital banking with personalized customer experience.
14. Conduent
Conduent was established in 2017 after separating from Xerox Corporation. The New Jersey-based company earned $3.72 billion in 2023 and has almost 60,000 employees.
Conduent offers business process outsourcing, customer care, and digital payment services in many countries across Europe and North America. The company is globally known for providing business services like customer support, transaction processing, digital transformation, and healthcare solutions.
15. ADP
Automatic Data Processing, Inc. (ADP), founded in 1949, operates globally and has a strong presence in the United States. Headquartered in New Jersey, its offices and call centers – across the world – have 18.01 billion total revenue as of 2023.
It has employed around 63,000 employees and offers payroll, HR management, tax, and benefits administration services. ADP has been widely known for utilizing innovative technology and offering diverse solutions to enhance operations and customer experiences for companies worldwide.
Conclusion
The largest call centers in the United States serve as a backbone for customer support and service delivery across multiple industries. Their massive operations are supported by extensive workforces, standardized processes, and advanced service models that enable them to meet the needs of diverse clients and customers nationwide.
While traditional outsourcing has been a popular approach, it can present challenges such as reduced control over service quality, higher long-term costs, inconsistent customer handling, and data privacy concerns. As a result, many companies are increasingly exploring in-house and technology-driven alternatives to manage customer communications more effectively.