Top 100 Call Center Services in the United States

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.

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.

Located in Austin, EBQ has a team of around 250 working with clients in the IT, advertising, and business industries. They provide voice services, CRM consulting, and email marketing expertise to clients looking for B2B lead generation and appointment setting.

BDR.ai is a custom email service company based in Littleton, Colo. The company, founded in 2017, has a team of less than ten that provides email marketing and business consulting services to small and larger-sized companies in the IT and other industries.

Business consulting company Red2Black Group was established in 2016. The firm offers business consulting, email marketing, CRM consulting and SI, sales outsourcing, and more and has a small team. The firm is in Fairfax Station, Virginia.

Strategic Sales & Marketing (SSM) is a lead generation company based in Farmington, Conn. Founded in 1989, SSM helps companies with lead generation and appointment setting services focused on B2B major accounts.  Typical clients are looking to reach the Owner, Director, VP or C level of contact, have a sales cycle that requires multiple touch-points, and uses a "solution sell process." 

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.

Founded in 2004, Acquirent is a telephone answering service. The small Evanston, Illinois-based team specializes in voice services and CRM consulting and SI.

Small email marketing company Dreamline Digital LTD, is in دبي, United Arab Emirates. They provide email marketing, sales outsourcing, marketing strategy, and social media marketing and were founded in 2018.

Voice Link of Columbus, Inc. Is a phone answering service. The small Columbus, Georgia-based firm was established in 1989. Their services include voice services.

Founded in 2020, Start Up And Fly Inc. Is a midsize sales outsourcing company. Their services include sales outsourcing, business consulting, and HR services. The company is located in Middletown, Delaware.

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.

In Austin, Texas, Treemont Consulting is an email marketing and sales outsourcing company. The small company was launched in 2021. Their team offers email marketing and sales outsourcing.

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.

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.

Launch Leads, an advertising company, was founded in 2009. The midsize team provides advertising, voice services, business consulting, marketing strategy, and more. The firm is in Salt Lake City, Utah and , .

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.

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. 

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.

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.

AnswerConnect is a contact center solutions firm based in Portland, Ore. Established in 2002, they have 38 employees, and offer a wide variety of voice-oriented customer service options. Their solutions include voice and non-voice BPO/back office services.

Davinci Virtual Office Solutions is a call answering company of 82 employees, which was founded in 2005. Based in Salt Lake City, they offer voice services. They serve small and midmarket businesses in a variety of industries, including healthcare, real estate, business, and financial services.

Gold Cross Answering Service is a live answering service company located in Chippewa Falls, Wis. They were founded in 1980. With about 9 employees, they provide voice services and non-voice back-office services to clients primarily in the real estate, healthcare, and medial industries.

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.

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.

Ruby Receptionists is a voice services firm based in Portland, Oregon, that was established in 2003. Their team of more than 250 employees offers voice call support, appointment management, and conventional answering services.

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.

Launched in 2018, Megan Killion Consulting is a content marketing company. The small Orlando, Florida-based team provides content marketing, branding, digital strategy, social media marketing, and more.

RemoteReps247, a sales outsourcing company, was launched in 2022. Their small team is located in New York, New York. The company offers sales outsourcing, call center services, and customer service outsourcing.

Contact One is a full-service call center outsourcing firm in Tuscon, Ariz. They were founded in 1981 and currently maintain a staff of just over 40 employees. They provide voice services to a range of clients in a variety of sectors.