Company lists · Data refreshed September 2026

Top 25 Sales support outsourcing companies based in the United States

Name: Sales support outsourcing companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 6, 2026 1,657 companies tracked

RevenueBase identified 1,657 company matches for sales support outsourcing companies associated with the United States as of September 2026 and tracks 66,652 professional contacts across them, including 8,701 with verified work emails and 10,299 with mobile numbers. New York is the largest hub.

This list covers company matches for sales support outsourcing companies associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 6, 2026 How this list was built

1,657Companies

66,652Contacts tracked

8,701Verified emails

10,299Mobile numbers

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest sales support outsourcing companies based in the United States

Ranked by team size

Top 25 of 1,657 company matches for sales support outsourcing companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	IBEX	Exact match	Washington, DC, United StatesHQ recorded Sep 6, 2026	10001+	15,457 contacts →
	Exact match “ibex delivers innovative business process outsourcing (BPO), smart digital marketing, online acquisition technology, and end-to-end customer engagement solutions to help companies…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
2	Marketsource INC	Exact match	Alpharetta, GA, United StatesHQ recorded Sep 6, 2026	5,001-10,000	3,063 contacts →
	Exact match “MarketSource, an Allegis Group company, is a sales acceleration company focused on delivering better outcomes for many of the world’s most iconic brands.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
3	Advanced Call Center Technologies, LLC	Exact match	Berwyn, PA, United StatesHQ recorded Sep 6, 2026	5,001-10,000	2,774 contacts →
	Exact match “Advanced Call Center Technologies, LLC (ACT) is a premier provider of domestic (USA), near shore and far shore outsourced call center services to the financial services, mortgage…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
4	Marketstar	Exact match	Ogden, UT, United StatesHQ recorded Sep 6, 2026	1,001-5,000	2,446 contacts →
	Exact match “MarketStar is a global B2B sales outsourcing leader with 38+ years of experience driving predictable revenue growth.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
5	Alta Resources	Exact match	Neenah, WI, United StatesHQ recorded Sep 6, 2026	1,001-5,000	2,046 contacts →
	Exact match “Alta Resources has always worked to be something different.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
6	Supportninja	Exact match	Austin, TX, United StatesHQ recorded Sep 6, 2026	1,001-5,000	1,711 contacts →
	Exact match “SupportNinja provides customer experience and back-office support services for tech companies and startups around the world.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
7	Support Services Group	Exact match	Waco, TX, United StatesHQ recorded Sep 6, 2026	5,001-10,000	1,710 contacts →
	Exact match “Support Services Group (SSG) helps businesses accelerate growth and earn customers for life through high-touch, outsourced engagement center services.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
8	Full Potential Solutions	Exact match	Waltham, MA, United StatesHQ recorded Sep 6, 2026	1,001-5,000	1,238 contacts →
	Exact match “Full Potential Solutions (FPS) is a new kind of performance-based outsourcing firm that puts culture and employees first, because we believe that happy, fulfilled teams accomplish…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
9	Inktel Contact Center Solutions	Exact match	Doral, FL, United StatesHQ recorded Sep 6, 2026	1,001-5,000	902 contacts →
	Exact match “Our Company Inktel is a leading business process outsourcer that specializes in creating personalized call center solutions which enable our clients to increase market share…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
10	Horatio	Exact match	New York, United StatesHQ recorded Sep 6, 2026	1,001-5,000	860 contacts →
	Exact match “Horatio is a premier, tech-enabled outsourcing partner helping ambitious companies scale customer experience and complex business operations without compromising quality…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
11	Sequential Technology International	Exact match	Bethlehem, United StatesHQ recorded Sep 6, 2026	1,001-5,000	758 contacts →
	Exact match “Sequential Tech is the trusted outsource partner of wireline/wireless telecommunication, broadband, cable/MSO, and satellite service providers.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
12	Abstrakt Marketing Group	Exact match	St. Louis, MO, United StatesHQ recorded Sep 6, 2026	501-1,000	724 contacts →
	Exact match “We book the qualified meetings that fill your pipeline for any B2B company ready to grow.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
13	Telenetwork	Exact match	San Marcos, TX, United StatesHQ recorded Sep 6, 2026	1,001-5,000	562 contacts →
	Exact match “teleNetwork is a leading provider of outsourced customer service, technical support, and sales enablement solutions for technology products and services.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
14	Movingdneedle Pvt. LTD	Exact match	Sterling Heights, MI, United StatesHQ recorded Sep 6, 2026	51-200	528 contacts →
	Exact match “movingDneedle is a Business to Business Sales Lead Generation Company that provides fast and scalable, sales qualified leads through its unique Personalized Email Marketing…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
15	Infoanalytica, INC	Exact match	San Jose, CA, United StatesHQ recorded Sep 6, 2026	201-500	482 contacts →
	Exact match “InfoAnalytica is a B2B sales acceleration partner for mid-market and enterprise companies.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
16	Supportzebra	Exact match	Houston, TX, United StatesHQ recorded Sep 6, 2026	1,001-5,000	454 contacts →
	Exact match “SupportZebra is a business process outsourcing company based in the Philippines, with headquarters in the Houston,TX region, that specializes in: Sales & Marketing Retention \|…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
17	The Functionary	Exact match	Aubrey, TX, United StatesHQ recorded Sep 6, 2026	1,001-5,000	415 contacts →
	Exact match “The Functionary helps companies scale operations around the reality of their business, not a standard model.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
18	Touchstone Communications	Exact match	Fort Worth, TX, United StatesHQ recorded Sep 6, 2026	501-1,000	393 contacts →
	Exact match “Touchstone Communications was built in 2002 on the philosophy of hiring educated, motivated talent and then providing them with the best training and management to achieve our…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
19	EBQ	Exact match	Austin, TX, United StatesHQ recorded Sep 6, 2026	201-500	377 contacts →
	Exact match “EBQ is an outsourced sales and marketing organization that provides services to help companies scale.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
20	Connexus Resource Group	Exact match	Bainbridge Island, United StatesHQ recorded Sep 6, 2026	201-500	373 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
21	The Connection Contact Center	Exact match	Bloomington, MN, United StatesHQ recorded Sep 6, 2026	1,001-5,000	354 contacts →
	Exact match “For over 35 years, The Connection has made a name for ourselves becoming one of the top industry partners to Fortune 500 companies looking to outsource their contact center…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
22	FTO	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 6, 2026	1,001-5,000	348 contacts →
	Exact match “FTO™ completes four types of work, namely customer engagement, data entry and acquisition, help desk and tech support, and back-office support.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
23	Jumpcrew	Exact match	Nashville, TN, United StatesHQ recorded Sep 6, 2026	201-500	339 contacts →
	Exact match “Launch-ready sales teams, experienced leaders, and time-tested processes to help you acquire new customers faster and with less risk than doing it alone.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
24	Eplanet Global	Exact match	Salt Lake City, UT, United StatesHQ recorded Sep 6, 2026	501-1,000	329 contacts →
	Exact match “About Eplanet Global Since our inception in 2003, Eplanet Global has been a trailblazer in the tech-driven BPO industry.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
25	Cydcor	Exact match	Agoura Hills, CA, United StatesHQ recorded Sep 6, 2026	51-200	328 contacts →
	Exact match “We create opportunity: For our clients, our team, and the future.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “sales support outsourcing companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 1,657 sales support outsourcing companies based in the United States

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Sales support outsourcing companies based in the United States at a glance

As of Sep 6, 2026

13.1%Verified-email coverage

15.5%Mobile-number coverage

40.2Average contacts per company

11-50Median size (employees)

5.1%Largest-city concentration · New York

Sep 6, 2026Page data refreshed

Companies by employee count

1-10

670

11-50

545

51-200

285

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

7,8410–30

71331–60

961–90

190–180

137180+

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with the United States whose business descriptions match “sales support outsourcing companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 8,701 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Sales support outsourcing companies by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “sales support outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sales support outsourcing companies are there based in the United States?

RevenueBase identified 1,657 company matches for sales support outsourcing companies associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

IBEX tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most sales support outsourcing companies?

New York leads with 84 company records, followed by Los Angeles (50) and Austin (42).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 8,701 professional contacts with verified work emails tracked across these 1,657 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 6, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.