Top 100 Inbound Call Centers in the United States

Hugo is a back office outsourcing company. They focus on back office outsourcing, finance & accounting outsourcing (FAO), customer service outsourcing, sales outsourcing, and more and were founded in 2017. Their large team is Chicago, Illinois-based.

Helpware is a call center located in Los Angeles that was founded in 2015. Their team of around 135 employees specializes in voice services, non-voice BPO and back-office services, HR consulting and outsourcing, transcription, and more.

Outsourcing firm ContactWorks is based in Austin, Texas. They were founded in 2004  and now employ a team of 20 that specializes in voice services for clients in the financial & business services and healthcare industries.

XACT is a telecommunications company, founded in 1998 and located in Orlando, Fla. They have 69 employees specializing in custom-designed contact center solutions for companies in business services, finance, and consumer products and services. They offer voice services, help desk and web support, marketing, and virtual receptionist services.

Hit Rate Solutions is a global provider of contact center services to clients worldwide. Primarily focused on industries such as consumer products, retail, and manufacturing, Hit Rate Solutions specializes in voice services and non-voice BPO/back office services. The company was established in 2008 and is headquartered in Bacolod, Philippines. Their team is made up of 39 employees.

HelpSquad, LLC is a midsize in Quakertown, Pennsylvania and Hatboro, Pennsylvania. They specialize in and were established in 2011.

Blue Valley Marketing is a midsize direct marketing company. Launched in 1991, the company is headquartered in Home, Kansas. Their services include direct marketing, market research, content marketing, and other marketing.

Prialto is a leading managed staffing and BPO company led by a Wharton MBA and former McKinsey & Co executive. Headquartered in Portland, Oregon, Prialto was launched in 2008 and serves top venture capital, financial services, biotech, insurance, and real estate firms. Prialto's services include managed staffing, seamless back-office function processing, and business automation.

Intelemark is an appointment setting and B2B lead generation company based in Scottsdale, Ariz. The company, founded in 1999, has more than 25 employees who provide voice and other marketing services to various companies.

Uassist.ME is a virtual assistance services firm founded in 2009. Based in El Salvador, the team of over 150 employees specializes in non-voice BPO/back office services, voice services, and HR services.

1840 & Company is a call center service launched in 2014. The midsize team focuses on call center services, sales outsourcing, customer service outsourcing, back office outsourcing, and more. The company is in Overland Park, Kansas and Makati, Philippines.

Martal Group is a sales agency based in Oakville, Canada and San Francisco. Founded in 2009, their team currently consists of 70 employees, who serve mostly technology companies in SaaS, Enterprise software and IT sectors. They offer services in outbound lead generation, appointment setting, account management, and sales.

Belkins is a technology company that leverages proprietary technology and a unique methodology to set appointments with target client prospects for revenue leaders in a variety of industries. Our award-winning, blended SAAS and Service model has been fine-tuned over the last 5 years and has supported hundreds of clients globally.

Go Answer is a leading bilingual contact center, providing 24/7 voice, web-chat, email, and ticketing services for large and small businesses. They serve multiple industries such as home services, property management, e-commerce, healthcare, transportation, and fintech. Go Answer also has a bilingual dedicated legal division that strictly handles legal intake and retainer services for law firms across the United States. Go Answer was founded in 2012 and is based in New York, with additional state-of-the-art call centers in St. Lucia and Florida. Go Answer understands the importance of being a true extension of their clients brand. They provide friendly, professional and expert answering services, virtual reception services, and custom contact center solutions that reflect the values and reputation of your company

Leadium is a voice services firm based in Alexandria, Va., with an additional office in Kiev, Ukraine. Founded in 2016, the team of 100 specializes in email marketing, market research and CRM consulting and SI. They work primarily with small business clients, mostly in the IT industry.

Specialty Answering Service is a call center outsourcing firm based in King of Prussia, Penn. Founded in 1985, they have about 30 employees and work with a national network of freelance customer support specialists. Their services consist of voice customer support and non-voice business process outsourcing.

MoreMeetings.com is a B2B sales appointment company headquartered in Rockland, Mass. Founded in 2001, they have a team of 15 employees. Their main focus lines are voice services and corporate training, primarily for the IT industry.

AMBS Call Center provides voice services from its Jackson, Mich. headquarters and additional locations in Grand Rapids, Mich. and Tampa, Fla. Founded in 1932, they have about 27 employees that serve a variety of clients in a range of sectors. 

Wing Assistant, a back office outsourcing company, was established in 2018. Their midsize team is located in Berkeley, California. Their services include back office outsourcing, customer service outsourcing, sales outsourcing, call center services, and more.

Located in Oakland, California, Telecom, Inc. Is an answering service. The midsize agency was established in 1993. Their services include voice services and non-voice bpo/back office services.

Pereus Marketing is a marketing agency located in King of Prussia, Pennsylvania. Founded in 2014, Pereus Marketing has about 10 employees. They specialize in voice services, direct marketing, marketing strategy, market research and business consulting. 

Founded in 2015, Peak Support is a Boston-based business process outsourcing (BPO) provider. Their approximately 250 employees provide both voice services like inbound appointment scheduling and B2C telemarketing. They also provide email- and chat-focused customer support.

Outsourcing Business Solutions is a Philadelphia, Pennsylvania-based marketing strategy company. They offer marketing strategy, web development, back office outsourcing, accounting, and more and were founded in 2020.

AnswerFirst is a telecommunications agency in Tampa, Fla. Founded in 1998, they have about 58 employees that serve a variety of clients in the IT, healthcare, and real estate sectors. AnswerFirst provides voice services and non-voice BPO and back office services.

Wow24-7 is an omnichannel customer outsourcing company based in Kyiv, Ukraine. Founded in 2016, Wow24-7 provides non-voice BPO/back office services and voice services.

Founded in 2016, Cleverly is a marketing agency that offers lead generation and LinkedIn Ads to their clients. Their 50 employees are based out of Los Angeles.

VA Support Now is an answering service company. The midsize Los Angeles, California-based agency was established in 2022. Their services include call center services and back office outsourcing.

Headquartered in Fort Lauderdale, Florida, Evateck is a midsize customer service outsourcing company. They offer customer service outsourcing, call center services, IT managed services, IT staff augmentation, and more and were launched in 2024.

Call center service LawyerLine was established in 2009. They are in Easton, Pennsylvania and Basking Ridge, New Jersey and have a midsize team. LawyerLine provides voice services.

Based out of Margate, Florida, Answering Service Care offers voice services to small businesses. This includes answering a variety of phone call inquiries from stakeholders. The telecommunications vendor has fewer than 50 employees serving industries spanning from real estate to legal and medical. The company was founded in 1974.