Company lists · Data refreshed September 2026
Top 25 Enterprise sales development providers based in the United States
RevenueBase identified 3,622 enterprise sales development providers headquartered in the United States as of September 2026 and tracks 40,745 professional contacts across them, including 7,015 with verified work emails. New York is the largest hub.
This list covers enterprise sales development providers 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 28, 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.
The 25 largest enterprise sales development providers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 825 contacts → | ||||
Indirect evidence “memoryBlue is the go-to partner for revenue leaders in B2B Tech looking to grow their pipeline engine.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 776 contacts → | ||||
Indirect evidence “Salelytics is now MarketSource.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 523 contacts → | ||||
Indirect evidence “The Pipeline Group helps B2B tech companies scale pipeline fast through our SDR-as-a-Service model.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 499 contacts → | ||||
Partial 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 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 482 contacts → | ||||
Strong evidence “InfoAnalytica is a B2B sales acceleration partner for mid-market and enterprise companies.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 455 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 380 contacts → | ||||
Strong 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 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 377 contacts → | ||||
Partial evidence “EBQ is an outsourced sales and marketing organization that provides services to help companies scale.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 367 contacts → | ||||
Indirect evidence “Rite-Solutions was acquired by Arcfield in December 2025.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 339 contacts → | ||||
Partial evidence “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.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 297 contacts → | ||||
Strong evidence “UnboundB2B is a marketing agency that caters to Enterprise and Technology companies across the globe to improve ROI on their marketing spend and shorten sales cycle with its…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 291 contacts → | ||||
Indirect evidence “The market knows us as the leader in appointment setting.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 247 contacts → | ||||
Partial evidence “Rocket Connections is a sales and support platform specializing in contact center services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 239 contacts → | ||||
Partial evidence “Corporate Visions is the leading provider of evidence-based sales training, messaging, and revenue enablement solutions for B2B companies around the globe.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 223 contacts → | ||||
Strong 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 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 217 contacts → | ||||
Partial evidence “Squeeze (GoSqueeze.com) is the leader in Sales Experience (SX).” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 217 contacts → | ||||
Partial evidence “Growth Era (formerly nextsales) is a sales enablement company with a passion to empower the growth of ambitious B2B companies.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 209 contacts → | ||||
Indirect evidence “Belkins is the #1 ranked appointment-setting agency in the USA for 5 years in a row, driving results for businesses in 50+ industries across the globe.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 205 contacts → | ||||
Indirect evidence “WorkSpan is the #1 co-sell management network that empowers companies to turbocharge and scale their co-sell revenue growth.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
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: enterprise sales development providers. 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 enterprise sales development providers.
- Partial evidence
- Its own public description names part of enterprise sales development providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name enterprise sales development providers. 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 3,622 enterprise sales development providers based in the United States
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Enterprise sales development providers based in the United States at a glance
As of Sep 28, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 3,622 companies.
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 enterprise sales development providers, 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 “enterprise sales development providers”. 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 enterprise sales development providers), 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 enterprise sales development providers, 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, 7,015 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 28, 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.
Enterprise sales development providers by metro
- Enterprise sales development providers in New York176
- Enterprise sales development providers in Los Angeles100
- Enterprise sales development providers in San Francisco97
- Enterprise sales development providers in Austin89
- Enterprise sales development providers in Chicago76
- Enterprise sales development providers in Atlanta71
- Enterprise sales development providers in Miami69
- Enterprise sales development providers in Sheridan66
- Enterprise sales development providers in San Diego55
- Enterprise sales development providers in Dallas52
- Enterprise sales development providers in Houston51
- Enterprise sales development providers in Orlando44
- Enterprise sales development providers in Denver43
- Enterprise sales development providers in Boston42
- Enterprise sales development providers in Seattle38
- Enterprise sales development providers in Charlotte33
- Enterprise sales development providers in Philadelphia32
- Enterprise sales development providers in Phoenix31
- Enterprise sales development providers in Scottsdale27
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 enterprise sales development providers, 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 enterprise sales development providers are there based in the United States?
RevenueBase identified 3,622 enterprise sales development providers 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?
Marketstar, headquartered in Ogden, tops this list with the largest team on record.
Which city has the most enterprise sales development providers?
New York leads with 176 headquartered companies, followed by Los Angeles (100) and San Francisco (97).
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 7,015 verified decision-maker contacts tracked across these 3,622 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 28, 2026.
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Enterprise sales development providers by geography
- Enterprise sales development providers based in Melbourne, Australia
- Enterprise sales development providers based in Sydney, Australia
- Enterprise sales development providers based in Sao Paulo, Brazil
- Enterprise sales development providers based in Calgary, Canada
- Enterprise sales development providers based in Montreal, Canada
- Enterprise sales development providers based in Toronto, Canada
- Enterprise sales development providers based in Vancouver, Canada
- Enterprise sales development providers based in Helsinki, Finland
- Enterprise sales development providers based in Lyon, France
- Enterprise sales development providers based in Paris, France
- Enterprise sales development providers based in Berlin, Germany
- Enterprise sales development providers based in Hamburg, Germany
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.
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