Company lists · Data refreshed September 2026

Top 25 Outbound sales companies based in the United States

Name: Outbound sales 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 5, 2026 2,110 companies tracked

RevenueBase identified 2,110 outbound sales companies headquartered in the United States as of September 2026 and tracks 46,259 professional contacts across them, including 5,951 with verified work emails and 7,380 with mobile numbers. New York is the largest hub.

This list covers outbound sales companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 5, 2026 86% judged on-target in blind review

2,110Companies

46,259Contacts tracked

5,951Verified emails

7,380Mobile numbers

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The 25 largest outbound sales companies based in the United States

Ranked by team size

Top 25 of 2,110 outbound sales companies based in the United States, ranked by team size, largest first. Data refreshed Sep 5, 2026. RevenueBase Smart Search rates how each company's information relates to outbound sales companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Advanced Call Center Technologies, LLC	Indirect evidence	Berwyn, PA, United StatesHQ checked Sep 5, 2026	5,001-10,000	2,774 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 5, 2026
2	Stream Global Services	Partial evidence	Eagan, MN, United StatesHQ checked Sep 5, 2026	10001+	2,772 contacts →
	Partial evidence “Stream Global Services is a premium business process outsource (BPO) service provider specializing in customer relationship management solutions including sales, customer care…” Source: RevenueBase Database · checked Sep 5, 2026
3	Marketstar	Partial evidence	Ogden, UT, United StatesHQ checked Sep 5, 2026	1,001-5,000	2,446 contacts →
	Partial evidence “MarketStar is a global B2B sales outsourcing leader with 38+ years of experience driving predictable revenue growth.” Source: RevenueBase Database · checked Sep 5, 2026
4	Full Potential Solutions	Indirect evidence	Waltham, MA, United StatesHQ checked Sep 5, 2026	1,001-5,000	1,238 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 5, 2026
5	Inktel Contact Center Solutions	Indirect evidence	Doral, FL, United StatesHQ checked Sep 5, 2026	1,001-5,000	902 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 5, 2026
6	Salelytics	Indirect evidence	Appleton, WI, United StatesHQ checked Sep 5, 2026	1,001-5,000	776 contacts →
	Indirect evidence “Salelytics is now MarketSource.” Source: RevenueBase Database · checked Sep 5, 2026
7	Abstrakt Marketing Group	Indirect evidence	St Louis, MO, United StatesHQ checked Sep 5, 2026	501-1,000	724 contacts →
	Indirect evidence “We book the qualified meetings that fill your pipeline for any B2B company ready to grow.” Source: RevenueBase Database · checked Sep 5, 2026
8	Salebuild	Indirect evidence	Redwood City, CA, United StatesHQ checked Sep 5, 2026	n/a	708 contacts →
	Indirect evidence “Salesify, a leading provider of B2B demand generation services, helps our clients create pipeline and accelerate revenue by identifying, profiling, nurturing and connecting with…” Source: RevenueBase Database · checked Sep 5, 2026
9	Flexisales INC	Indirect evidence	Las Vegas, NV, United StatesHQ checked Sep 5, 2026	201-500	697 contacts →
	Indirect evidence “Flexisales, is a global frontrunner in B2B Lead & Demand Generation and Data Services, serving technology companies & agencies worldwide.” Source: RevenueBase Database · checked Sep 5, 2026
10	Movingdneedle Pvt. LTD	Partial evidence	Sterling Heights, MI, United StatesHQ checked Sep 5, 2026	51-200	528 contacts →
	Partial evidence “movingDneedle is a Business to Business Sales Lead Generation Company that provides fast and scalable, sales qualified leads through its unique Personalized Email Marketing…” Source: RevenueBase Database · checked Sep 5, 2026
11	Callbox INC	Indirect evidence	Encino, CA, United StatesHQ checked Sep 5, 2026	201-500	499 contacts →
	Indirect evidence “Callbox is the #1 trusted lead generation services and AI-Powered Growth Strategy Partner by enterprise and scaling businesses in the USA, Canada, Asia Pacific, Latin America…” Source: RevenueBase Database · checked Sep 5, 2026
12	Infoanalytica, INC	Partial evidence	San Jose, CA, United StatesHQ checked Sep 5, 2026	201-500	482 contacts →
	Partial evidence “InfoAnalytica is a B2B sales acceleration partner for mid-market and enterprise companies.” Source: RevenueBase Database · checked Sep 5, 2026
13	Demandshore	Partial evidence	San Francisco, CA, United StatesHQ checked Sep 5, 2026	501-1,000	478 contacts →
	Partial evidence “About DemandShore Since 2004, we’ve been working hard to deliver value to Sales & Marketing professionals across B2B Technology companies globally.” Source: RevenueBase Database · checked Sep 5, 2026
14	Saleshive	Indirect evidence	Denver, CO, United StatesHQ checked Sep 5, 2026	51-200	455 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 5, 2026
15	Alliance Pdms	Indirect evidence	Hurst, TX, United StatesHQ checked Sep 5, 2026	51-200	428 contacts →
	Indirect evidence “Alliance is a domestically operated, internationally recognized professional contact center specializing in lead generation and appointment setting.” Source: RevenueBase Database · checked Sep 5, 2026
16	Touchstone Communications	Indirect evidence	Fort Worth, TX, United StatesHQ checked Sep 5, 2026	501-1,000	393 contacts →
	Indirect evidence “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…” Source: RevenueBase Database · checked Sep 5, 2026
17	Amarketforce	Indirect evidence	San Jose, CA, United StatesHQ checked Sep 5, 2026	201-500	391 contacts →
	Indirect evidence “aMarketForce is a full-scale B2B Contact Database & Demand Generation services company.” Source: RevenueBase Database · checked Sep 5, 2026
18	Beyond Codes INC	Partial evidence	Simi Valley, CA, United StatesHQ checked Sep 5, 2026	201-500	380 contacts →
	Partial evidence “Beyond Codes is a global B2B lead generation and appointment-setting agency trusted by some of the world's leading technology companies to build enterprise sales pipeline.” Source: RevenueBase Database · checked Sep 5, 2026
19	EBQ	Partial evidence	Austin, TX, United StatesHQ checked Sep 5, 2026	201-500	377 contacts →
	Partial evidence “EBQ is an outsourced sales and marketing organization that provides services to help companies scale.” Source: RevenueBase Database · checked Sep 5, 2026
20	FUNNL	Partial evidence	Philadelphia, United StatesHQ checked Sep 5, 2026	201-500	349 contacts →
	Partial evidence “FunnL was built on a revolutionary idea: B2B companies don’t need more leads-they need more qualified sales meetings with decision-makers.” Source: RevenueBase Database · checked Sep 5, 2026
21	Calltend INC	Indirect evidence	Los Angeles, TX, United StatesHQ checked Sep 5, 2026	51-200	289 contacts →
	Indirect evidence “Current Vertical Focus: Real Estate - Lead Generation, Lead Conversion, Lead Qualification, Agent Recruiting Mortgage - Lead Conversion, Lead Qualification Insurance - Lead…” Source: RevenueBase Database · checked Sep 5, 2026
22	1105 Media	Indirect evidence	Woodland Hills, CA, United StatesHQ checked Sep 5, 2026	51-200	278 contacts →
	Indirect evidence “1105 Media, Inc, is a leading business-to-business (B2B) services provider whose sole mission is to help our customers grow their business.” Source: RevenueBase Database · checked Sep 5, 2026
23	Boomsourcing	Indirect evidence	Lehi, UT, United StatesHQ checked Sep 5, 2026	501-1,000	256 contacts →
	Indirect evidence “Boomsourcing (A Fusion CX Company) is a call center established in 2007.” Source: RevenueBase Database · checked Sep 5, 2026
24	Rocket Connections	Partial evidence	Detroit, MI, United StatesHQ checked Sep 5, 2026	1,001-5,000	247 contacts →
	Partial evidence “Rocket Connections is a sales and support platform specializing in contact center services.” Source: RevenueBase Database · checked Sep 5, 2026
25	Marketjoy, INC	Partial evidence	Pensacola, FL, United StatesHQ checked Sep 5, 2026	51-200	223 contacts →
	Partial evidence “Founded in 2016 and headquartered in Pensacola, Florida, MarketJoy is a B2B lead generation, appointment generation and sales development partner built to deliver predictable…” Source: RevenueBase Database · checked Sep 5, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: outbound sales companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names outbound sales companies.
Partial evidence: Its own public description names part of outbound sales companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name outbound sales companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 2,110 outbound sales companies based in the United States

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Outbound sales companies based in the United States at a glance

As of Sep 5, 2026

12.9%Verified-email coverage

16.0%Mobile-number coverage

21.9Average contacts per company

11-50Median size (employees)

5.6%Largest-city concentration · New York

Sep 5, 2026Page data refreshed

Companies by employee count

1-10

940

11-50

702

51-200

330

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

5,4150–30

43731–60

461–90

390–180

92180+

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among outbound sales companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “outbound sales companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names outbound sales companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among outbound sales companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 5,951 across the full list. 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 5, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Outbound sales companies by metro

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names outbound sales companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 2,110 outbound sales companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Advanced Call Center Technologies, LLC, headquartered in Berwyn, tops this list with the largest team on record.

Which city has the most outbound sales companies?

New York leads with 119 headquartered companies, followed by Sheridan (74) and Los Angeles (59).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 5,951 verified decision-maker contacts tracked across these 2,110 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 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 Smart Search, 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.