
Top 100 Telemarketing Companies in the United States
The Best of July 2025Looking for a top telemarketing service in the United States?
With so many companies telemarketing in today’s world, it can be difficult for your company’s calls to stand out amongst the competition. Partnering with a telemarketing service can help your company reach the maximum amount of customers.
To assist you in your search for a partner, we’ve compiled this list of the top telemarketing companies in United States. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
>List of the Best United States Telemarketing Services
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1$1,000+250 - 999 employeesOrlando, FLAnswering 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.Read More
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Culinary Institute of AmericaIndustries
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2$5,000+1,000 - 9,999 employeesLexington, KYCustomer Service Outsourcing company Helpware was launched in 2015. They are headquartered in Lexington, Kentucky; Kyiv, Ukraine; Taguig, Philippines and Guadalajara, Mexico and have a large team. Helpware offers Customer Service Outsourcing, Call Center Services, and Back Office Outsourcing.Read More
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DoorDashIndustries
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3$5,000+250 - 999 employeesHome, KSBlue 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.Read More
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4$1,000+50 - 249 employeesChicago, ILFounded in 2011, Hit Rate Solutions is a telephone answering service. They are based in Chicago, Illinois and Bacolod, Philippines and have a midsize team. The firm offers Call Center Services, Back Office Outsourcing, Customer Service Outsourcing, and Sales Outsourcing.Read More
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CleanWel SolutionsIndustries
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5$1,000+250 - 999 employeesPortland, OR
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.
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HeadlineIndustries
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6$5,000+50 - 249 employeesAustin, TX
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.
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FonalityIndustries
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7$1,000+10 - 49 employeesLafayette, CASales Outsourcing company LevelUp Leads is headquartered in Laguna Beach, California and Lafayette, California. They specialize in Sales Outsourcing, Email Marketing, and Call Center Services and were launched in 2021.Read More
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8$1,000+1,000 - 9,999 employeesChicago, ILHugo Inc. Is a Customer Service Outsourcing company. They are in Chicago, Illinois and have a large team. The agency specializes in Customer Service Outsourcing, Call Center Services, Back Office Outsourcing, Content Moderation Services, and more.Read More
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9$10,000+1,000 - 9,999 employeesCambridge, MA
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.
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Ministry of SupplyIndustries
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10$1,000+250 - 999 employeesHatboro, PA
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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11$1,000+50 - 249 employeesPhiladelphia, PA
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.
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12$1,000+10 - 49 employeesNorristown, PA
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.
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13$1,000+50 - 249 employeesLas Vegas, NVLeadium is a midsize Sales Outsourcing company. They offer Sales Outsourcing, Content Marketing, Call Center Services, and Email Marketing and were established in 2016. The firm is in Las Vegas, Nevada; Kyiv, Ukraine; Santo Domingo, Dominican Republic and Liptovsky Mikulas, Slovakia.Read More
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DirecTVIndustries
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14$1,000+1,000 - 9,999 employeesEncinitas, CA
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.
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Xerox CorporationIndustries
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15$1,000+50 - 249 employeesOakland, CA
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.
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16$5,000+1,000 - 9,999 employeesMahwah, NJ
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.
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TIME MagazineIndustries
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17$1,000+50 - 249 employeesScottsdale, AZ
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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18$1,000+10 - 49 employeesLos Angeles, CA
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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19$25,000+250 - 999 employeesOrem, UT
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.
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American StandardIndustries
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20$1,000+1,000 - 9,999 employeesLewisville, TX
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.
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GrouponIndustries
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21$1,000+50 - 249 employeesBerkeley, CA
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.
Industries
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22$5,000+2 - 9 employeesFayetteville, AR
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.
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23$1,000+1,000 - 9,999 employeesDuluth, GASolvo Global is a large Chandler, Arizona-based Back Office Outsourcing company. They provide Back Office Outsourcing, Call Center Services, Finance & Accounting Outsourcing (FAO), Staffing, and more and were launched in 2018.Read More
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CenCal Insurance ServicesIndustries
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24Undisclosed50 - 249 employeesMargate, FL
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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25Undisclosed1,000 - 9,999 employeesMargate, FL
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.
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Crate&BarrelIndustries
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26$5,000+250 - 999 employeesMiami Beach, FLBack Office Outsourcing company Uassist.ME was founded in 2009. Their midsize team is headquartered in Miami Beach, Florida and San Salvador, El Salvador. Their services include Back Office Outsourcing, Customer Service Outsourcing, Call Center Services, and Sales Outsourcing.Read More
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FacebookIndustries
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27Undisclosed10 - 49 employeesKing of Prussia, PA
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.
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Bausch+LombIndustries
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28$10,000+250 - 999 employeesOverland Park, KS
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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29$1,000+50 - 249 employeesRiverbank, CA
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.
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Wells FargoIndustries
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30$1,000+50 - 249 employeesFort Lauderdale, FLHeadquartered 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.Read More
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