Top 100 Call Center Services in the United States

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.

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.

LevelUp Leads is a Lafayette, California-based social media marketing firm. The firm offers social media marketing, email marketing, call center services, and back office outsourcing and is small.The firm was founded in 2021.

Abstrakt Marketing Group is a call center service. They are headquartered in St. Louis, Missouri and have a midsize team. Their services include voice services, content marketing, graphic design, social media marketing, and more. The company was established in 2009.

GenSales - B2B LeadGen is a lead generation and appointment setting company based in Denver. They were founded in 2002 and have a team of around 15 employees. Their services focus on voice services and digital strategy. 

Cience is a PaaS (People as a Service) company based in Los Angeles. It has offices in Ukraine and Manila and was established in 2015. Their team of more than 550 employees offers voice services, conversion optimization, and CRM consulting and SI services. 

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.

Callbox is a business process outsourcing company based in Encino, Calif., with offices in Singapore, Ultimo, Australia, and the Philippines. Founded in 2004, Callbox's team of 174 provides voice services and non-voice BPO/back office services.

SalesRoads is a B2B appointment setting and lead generation provider based in Coral Springs, Fla. that was established in 2006. Their team of more than 30 employees offers sales outsourcing and telemarketing services.

Established in 2022, Alphoric is a sales outsourcing company. They are located in Calgary, Canada and have a small team. The agency offers sales outsourcing.

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.

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.

Located in Plano, Texas, Constructur is a marketing strategy company. Founded in 2021, the small team provides marketing strategy, call center services, back office outsourcing, and sales outsourcing.

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.

Beyond Codes Inc. is a lead generation and appointment setting company based in Simi Valley, Calif., with an office in Hammersmith, U.K. The company, founded in 2008, has almost 300 employees and provides voice services, event marketing & planning, market research, email marketing, social media marketing, and non-voice BPO/back office services. Beyond Codes Inc. serves enterprise and smaller-sized companies in IT and other industries.

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.

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.

JMS Elite is a voice services and market research firm based in Willoughby, Ohio. Founded in 2002, their team of over 20 employees serves firms of all sizes across a range of industries, including business and financial services, education, and healthcare. 

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.

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

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. 

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

Operatix is a midsize sales outsourcing company based in Dallas, Texas and Fleet, United Kingdom. Established in 2012, the team focuses on sales outsourcing and call center services.

Quilqy is a content production firm based in Kyiv, Ukraine, and founded in 2019. Their team of more than two provides email marketing, content marketing, and marketing strategy services for small and mid-market businesses in the industries of advertising, gaming, and business services.

eCoast Marketing is a marketing agencies company based in Rochester, NH. Founded in 2000, their team of 199 employees provides voice services, marketing, and direct marketing services.

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.

JumpCrew is a midsize advertising company. They focus on advertising, digital strategy, marketing strategy, content marketing, and more and were launched in 2016. The company is based in Nashville, Tennessee.

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.

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.

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.