Top 100 Telemarketing Companies in the United States

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.

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.

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.

Customer Service Outsourcing company SupportYourApp was launched in 2010. They are located in Wilmington, Delaware; Beograd, Serbia and DSR, Argentina and have a large team. SupportYourApp focuses on Customer Service Outsourcing, Back Office Outsourcing, and Call Center 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.

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.

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.

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.

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.

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.

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.

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. 

CC Capital Group is an outsourcing agency based in La Jolla, Calif with a team of 25. Founded in 2012, the company offers direct marketing, business consulting, and HR services. Their direct marketing services are focused on telemarketing, among other forms.

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.

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.

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.

DialAmerica is a business process outsourcing firm headquartered in Mahwah, N.J. with offices in New York City, Athens, Ga., Charleston, and Cleveland. Founded in 1957, they have over 5000 employees. Their services include voice call process outsourcing, but they offer non-voice services as well. 

Squeeze Media is a voice services provider based in Orem, Utah. Their team of over 50 supports businesses of all sizes across a range of industries, such as financial services, health care, and consumer products. Founded in 2009, they also provide non-voice BPO services.

Invensis is an IT, BPO, and call center services company based in Bangalore, India, with an office in Wilmington, Del. Founded in 2000, Invensis's team of more than 350 employees offer non-voice BPO/back office services and call center services.

Slingfly is a small SEO agency. The Fayetteville, Arkansas-based agency was founded in 2009. Their team focuses on search engine optimization, call center services, content writing services, pay per click, and more.

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.

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.

Global Response is a contact center company based in Margate, Fla., that was established in 1974. Their team of more than 450 employees offers contact center services, inbound sales processing, order processing, chat support, email response, and social media support.

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.

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.

TeleContact is an outsourced telemarketing solutions company headquartered in Riverbank, Calif. with another office in Modesto, Calif. The company was founded in 1994 and now employs a team of around 50 that is entirely dedicated to voice services.

Nexa is a virtual assistant agency based in Phoenix. Founded in 1982, their team of around 440 employees focuses on voice services.

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.