Top 100 Call Center Services in the United States
The Best of December 2025Looking for a top voice service and call center company in the United States?
Voice services companies provide value to your company: automating your client communication allows your company the flexibility to devote resources to core firm-building activities.
To assist you in your search for a partner, we’ve compiled this list of the top voice and call center services in United States. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United States Voice Services Providers
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$5,000+50 - 249 employeesBoca Raton, FLRead More
SalesRoads is a Sales Outsourcing company. Their midsize team is based in Boca Raton, Florida; Haddonfield, New Jersey and Philadelphia, Pennsylvania. The agency focuses on Sales Outsourcing, Email Marketing, and Call Center Services. The agency was founded in 2007.
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$1,000+1,000 - 9,999 employeesChicago, ILEstablished in 2017, Hugo Inc. Is a Customer Service Outsourcing company. The agency specializes in Customer Service Outsourcing, Call Center Services, Back Office Outsourcing, Content Moderation Services, and more and has a large team. The agency is in Chicago, Illinois and Lagos, Nigeria.Read More
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$1,000+250 - 999 employeesOrlando, FLRead More
Answering service company XACT was founded in 1998. Their midsize team is in Orlando, Florida and Unity, Maine. XACT focuses on Call Center Services, Customer Service Outsourcing, Sales Outsourcing, Back Office Outsourcing, and more.
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1$1,000+250 - 999 employeesSan Francisco, CARead More
Martal Group is a Sales Outsourcing company launched in 2009. The midsize team focuses on Sales Outsourcing, Email Marketing, and Call Center Services. The agency is in Oakville, Canada; San Francisco, California and Uniondale, New York.
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BoschIndustries
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2$10,000+50 - 249 employeesDenver, CORead More
Belkins is a midsize Sales Outsourcing company launched in 2017. Their services include Sales Outsourcing, Email Marketing, CRM consulting and SI, and Call Center Services. The company is in Denver, Colorado; Kyiv, Ukraine; Cheyenne, Wyoming and Lombard, Illinois.
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Nvidia General Electric Zendesk UC BerkeleyIndustries
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3$1,000+250 - 999 employeesSt. Louis, MOAbstrakt Marketing Group, a Sales Outsourcing company, was launched in 2009. They are based in St. Louis, Missouri and St. Louis, Missouri and have a midsize team. Their services include Sales Outsourcing, Content Marketing, and Web Design.Read More
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4$1,000+50 - 249 employeesLaguna Beach, CALaunched in 2021, LevelUp Leads is a midsize Sales Outsourcing company. Their team specializes in Sales Outsourcing, Email Marketing, and Call Center Services. The firm is in Laguna Beach, California and Laguna Beach, California.Read More
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5$1,000+1,000 - 9,999 employeesWilmington, DERead More
Founded in 2010, SupportYourApp is a Customer Service Outsourcing company. Their large team is headquartered in Wilmington, Delaware; Beograd, Serbia and DSR, Argentina. Their services include Customer Service Outsourcing, Call Center Services, Back Office Outsourcing, and Data Annotation Services.
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Mastercard Calm Kofax MacPawIndustries
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6$5,000+50 - 249 employeesBoca Raton, FLRead More
SalesRoads is a Sales Outsourcing company. Their midsize team is based in Boca Raton, Florida; Haddonfield, New Jersey and Philadelphia, Pennsylvania. The agency focuses on Sales Outsourcing, Email Marketing, and Call Center Services. The agency was founded in 2007.
Industries
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7$1,000+1,000 - 9,999 employeesChicago, ILEstablished in 2017, Hugo Inc. Is a Customer Service Outsourcing company. The agency specializes in Customer Service Outsourcing, Call Center Services, Back Office Outsourcing, Content Moderation Services, and more and has a large team. The agency is in Chicago, Illinois and Lagos, Nigeria.Read More
Industries
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8$1,000+50 - 249 employeesLas Vegas, NVLeadium is a Las Vegas, Nevada-based Sales Outsourcing company. The company offers Sales Outsourcing, Content Marketing, Call Center Services, and Email Marketing and is midsize.The company was founded in 2016.Read More
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DirecTVIndustries
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9$1,000+250 - 999 employeesOrlando, FLRead More
Answering service company XACT was founded in 1998. Their midsize team is in Orlando, Florida and Unity, Maine. XACT focuses on Call Center Services, Customer Service Outsourcing, Sales Outsourcing, Back Office Outsourcing, and more.
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Culinary Institute of AmericaIndustries
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10$10,000+250 - 999 employeesSimi Valley, CASales Outsourcing company Beyond Codes Inc. Was launched in 2008. Headquartered in Simi Valley, California; Hammersmith, England; Burnaby, Canada and Panchkula, India, their midsize team focuses on Sales Outsourcing, Demand Generation Marketing, Account-Based Marketing, Email Marketing, and more.Read More
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EXLIndustries
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11$1,000+50 - 249 employeesChicago, ILHit Rate Solutions, a call center service, is based in Chicago, Illinois and Bacolod, Philippines. The midsize team offers Call Center Services, Back Office Outsourcing, Customer Service Outsourcing, and Sales Outsourcing. The firm was founded in 2011.Read More
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CleanWel SolutionsIndustries
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12$1,000+250 - 999 employeesPortland, ORRead 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.
Clients
HeadlineIndustries
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13Undisclosed1,000 - 9,999 employeesLos Angeles, CARead More
Callbox is a Sales Outsourcing company. The Los Angeles, California-based firm was founded in 2004. The large team focuses on Sales Outsourcing, Customer Service Outsourcing, Call Center Services, and Back Office Outsourcing.
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Alima TechnologiesIndustries
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14$1,000+50 - 249 employeesScottsdale, AZRead More
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.
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Dow JonesIndustries
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15$1,000+250 - 999 employeesHatboro, PARead More
HelpSquad, LLC is a midsize in Quakertown, Pennsylvania and Hatboro, Pennsylvania. They specialize in and were established in 2011.
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Slinger BagIndustries
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16$5,000+250 - 999 employeesHome, KSRead More
Blue Valley Marketing, a Customer Service Outsourcing company, is in Home, Kansas. The agency provides Customer Service Outsourcing, Call Center Services, and Sales Outsourcing and has a midsize team.The agency was established in 1991.
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17$5,000+50 - 249 employeesAustin, TXRead 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.
Clients
FonalityIndustries
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18$1,000+50 - 249 employeesFarmington, CTRead More
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."
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CT Technology CouncilIndustries
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19Undisclosed50 - 249 employeesTampa, FLCall center company AnswerFirst was established in 1998. The midsize Tampa, Florida-based team offers Call Center Services and Customer Service Outsourcing.Read More
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20$1,000+250 - 999 employeesNashville, TNRead More
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.
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AlibabaIndustries
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21$1,000+50 - 249 employeesBerkeley, CARead More
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.
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22$1,000+10 - 49 employeesLos Angeles, CARead More
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.
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LeaseLockIndustries
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23Undisclosed50 - 249 employeesJackson, MIAmbs Call Center, a phone answering service, is headquartered in Jackson, Michigan and Tampa, Florida. Launched in 1932, the midsize team provides Call Center Services.Read More
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Cadillac Michigan State University Caterpillar MacallisterIndustries
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24Undisclosed1,000 - 9,999 employeesGarden City, NYRead More
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
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Century21Industries
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25$10,000+250 - 999 employeesOverland Park, KSRead 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.
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GrouponIndustries
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26$5,000+250 - 999 employeesAustin, TXLaunched in 2006, EBQ is a midsize Sales Outsourcing company. Their team focuses on Sales Outsourcing, Email Marketing, CRM consulting and SI, Other Digital Marketing, and more. The company is based in Austin, Texas.Read More
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27$25,000+1,000 - 9,999 employeesOgden, UTLarge Sales Outsourcing company MarketStar Bulgaria, is headquartered in Sofia, Bulgaria; Ogden, Utah; Salt Lake City, Utah and Dublin, Ireland. They specialize in Sales Outsourcing, Product Marketing, and Direct Marketing and were founded in 1988.Read More
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Progress SoftwareIndustries
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28Undisclosed50 - 249 employeesDenver, CORead More
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.
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TUDI Mechancial SystemsIndustries
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29$5,000+250 - 999 employeesDallas, TXRead More
MemoryBlue is a Sales Outsourcing company located in Dallas, Texas; Fleet, England and Singapore. The midsize team provides Sales Outsourcing, Call Center Services, Marketing Strategy, Digital Strategy, and more and was launched in 2002.
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30Undisclosed50 - 249 employeesMargate, FLRead More
Established in 1974, Answering Service Care is a telephone answering service. The company focuses on Call Center Services, Customer Service Outsourcing, Sales Outsourcing, Business Consulting, and more and has a midsize team. The company is based in Margate, Florida; Hamilton Township, New Jersey and Rocky Mount, North Carolina.
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Keiser UniversityIndustries
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Check out a Call Centers in United States with the most new reviews in the past 12 months.
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