Top 100 Payment Processing Services Companies in the United States
The Best of December 2025Looking for a top payment processing company in the United States?
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To assist you in your search for a partner, we’ve compiled this list of the top payment processing services in United States. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
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List of the Best United States Payment Processing Companies
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31$1,000+50 - 249 employeesSheridan, WYPrimary BPO, a back office outsourcing company, was launched in 2023. They are located in Rigby, Idaho and have a midsize team. Their services include back office outsourcing, call center services, transcription, and recruitment process outsourcing.Read More
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32$50,000+50 - 249 employeesSan Jose, CASuccessLink Outsourcing, an answering service company, is based in San Jose, California. The company specializes in call center services, back office outsourcing, customer service outsourcing, finance & accounting outsourcing (FAO), and more and has a midsize team.The company was launched in 2024.Read More
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33$1,000+1,000 - 9,999 employeesNew York, NYCureMD is a Back Office Outsourcing company. They are located in New York, New York. Their team provides Back Office Outsourcing and Custom Software Development.Read More
Clients
Alabama Department of Public HealthIndustries
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34$25,000+1,000 - 9,999 employeesLebanon, NJMFX Services, a large Back Office Outsourcing company, is in Lebanon, New Jersey. Their services include Back Office Outsourcing and BI & big data consulting & SI.Read More
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35$1,000+250 - 999 employeesPhiladelphia, PAPRWTech is a call center in Philadelphia, Pennsylvania and Washington, District of Columbia. The team provides Call Center Services and Back Office Outsourcing.Read More
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36Undisclosed1,000 - 9,999 employeesAmerican Fork, UTROI CX Solutions is a call center service. Founded in 2008, their team focuses on Call Center Services and Back Office Outsourcing.Read More
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37Undisclosed250 - 999 employeesChicago, ILBased in Chicago, Illinois, Marble Box is a midsize Back Office Outsourcing company. The team offers Back Office Outsourcing.Read More
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38Undisclosed1,000 - 9,999 employeesAustin, TXChazey Partners is a Business Consulting company. Their team is headquartered in Austin, Texas and specializes in Business Consulting and Back Office Outsourcing.Read More
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39Undisclosed10 - 49 employeesClearwater, FLECheckPlan is a Clearwater, Florida-based back office outsourcing company. They offer back office outsourcing and were established in 2013.Read More
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40$10,000+50 - 249 employeesSpringfield, ILSuperior Medical Billing and Technologies LLC is a midsize Back Office Outsourcing company launched in 2021. Their services include Back Office Outsourcing.Read More
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41$1,000+250 - 999 employeesReno, NVHamly Business Solutions is a Back Office Outsourcing company. Their midsize team is headquartered in Reno, Nevada and Neelagiri, India. Their services include Back Office Outsourcing.Read More
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42Undisclosed250 - 999 employeesCharleston, SCAventus is a call center service. Established in 2014, the firm provides Call Center Services and Back Office Outsourcing.Read More
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43$1,000+50 - 249 employeesOak Brook, ILRead More
NCC is a collection agency based in Oak Brook, Ill. and was founded in 1969. Their team of 50 employees specializes in voice services and non-voice BPO. They primarily work with clients in the healthcare and medical industries.
Industries
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44$5,000+10,000+ employeesTampa, FLSYKES is a Customer Service Outsourcing company. They are headquartered in Tampa, Florida and Chicago, Illinois, and their services include Customer Service Outsourcing and Call Center Services.Read More
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45Undisclosed250 - 999 employeesAlpharetta, GAFounded in 1999, Docufree is a midsize Document Digitization & Management company. Their services include Document Digitization & Management and Back Office Outsourcing.Read More
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46$10,000+250 - 999 employeesLevittown, NYLocated in Levittown, New York, MedsIT Nexus Inc. | Premier Medical Billing & Coding Services is a Back Office Outsourcing company. Their services include Back Office Outsourcing and Transcription.Read More
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47Undisclosed250 - 999 employeesHouston, TXCare VMA Health is a midsize Houston, Texas-based Back Office Outsourcing and Customer Service Outsourcing company. The team specializes in Back Office Outsourcing and Customer Service Outsourcing.Read More
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48$1,000+50 - 249 employeesWest Chester, OHRead More
Founded in 2001, Srisys Inc is an IT consulting and software development firm. Srisys Inc’s 65 employees can be found in its West Chester, Ohio headquarters or its additional offices in Cincinnati, Ohio and India. Srisys Inc provides voice/call center services, BPO and back office services, and HR consulting and outsourcing to the government and consumer and financial services companies.
Clients
Cincinnati ParksIndustries
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49Undisclosed250 - 999 employeesDefiance, OHCustomer Service Outsourcing company Mammoth Tech was founded in 1964. The agency offers Customer Service Outsourcing and Back Office Outsourcing.Read More
Industries
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50$1,000+250 - 999 employeesDover, DEVelan Healthcare Services is an answering service company. They offer Call Center Services and Back Office Outsourcing and are headquartered in Dover, Delaware.Read More
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51$10,000+1,000 - 9,999 employeesPlano, TXLaunched in 2019, MIU Medical Billing is a social media marketing firm. The agency specializes in Social Media Marketing and Search Engine Optimization.Read More
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52Undisclosed250 - 999 employeesDubuque, IAEstablished in 1988, Humach, a midsize Application Management & Support company, is headquartered in Dubuque, Iowa. Their services include Application Management & Support and Artificial Intelligence.Read More
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53Undisclosed50 - 249 employeesHuntsville, ALAnglin Reichmann Armstrong, PC is a midsize Financial Advising & Planning company. Established in 1990, the team offers Financial Advising & Planning and Business Consulting.Read More
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54$1,000+50 - 249 employeesSouth Bend, INBack Office Outsourcing company Astron EHS was launched in 2012. The midsize team focuses on Back Office Outsourcing and Call Center Services.Read More
Industries
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55Undisclosed250 - 999 employeesGaithersburg, MDUnityPay is a Product Design company launched in 2006. Based in Gaithersburg, Maryland and Gaithersburg, Maryland, the team provides Product Design and IT managed services.Read More
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56Undisclosed50 - 249 employeesSouthlake, TXIT strategy consulting company Access Global Group was founded in 2011. The team provides IT strategy consulting and CRM consulting and SI and is based in Southlake, Texas and Chicago, Illinois.Read More
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57$25,000+50 - 249 employeesRound Rock, TXMHRCM is a call center service and Back Office Outsourcing company. Established in 2018, the team specializes in Call Center Services and Back Office Outsourcing.Read More
Industries
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58$1,000+50 - 249 employeesNew York, NYNEO MD INC is a New York, New York-based Back Office Outsourcing company. They specialize in Back Office Outsourcing and Customer Service Outsourcing and were established in 2021.Read More
Industries
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59$1,000+50 - 249 employeesSchaumburg, ILProviders Care Billing, a midsize Back Office Outsourcing company, is located in Schaumburg, Illinois. Their services include Back Office Outsourcing and Customer Service Outsourcing.Read More
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60$50,000+250 - 999 employeesSt. Louis, MOCustomer Direct, a Customer Service Outsourcing company, was launched in 1997. The firm provides Customer Service Outsourcing and Back Office Outsourcing, and is midsize.Read More
Industries
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Check out a Payment Processing Company in United States with the most new reviews in the past 12 months.
Most Reviewed
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United States
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