Company lists · Data refreshed September 2026

Top 25 Sales development representatives based in the United States

RevenueBase identified 148 sales development representatives headquartered in the United States as of September 2026 and tracks 3,424 professional contacts across them, including 591 with verified work emails. San Francisco is the largest hub.

This list covers sales development representatives 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 22, 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 22, 2026 86% judged on-target in blind review
148Companies
3,424Contacts tracked
591Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest sales development representatives based in the United States

Ranked by team size
Top 25 of 148 sales development representatives based in the United States, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to sales development representatives: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceTysons, VA, United StatesHQ checked Sep 22, 2026501-1,000825 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 22, 2026
2Indirect evidenceSan Jose, CA, United StatesHQ checked Sep 22, 2026201-500523 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 22, 2026
3Strong evidencePensacola, FL, United StatesHQ checked Sep 22, 202651-200223 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 22, 2026
4Strong evidenceCopley, OH, United StatesHQ checked Sep 22, 202651-200185 contacts →

Strong evidence

“Concept develops and implements comprehensive B2B lead generation and sales development solutions for companies.”

Source: RevenueBase Database · checked Sep 22, 2026
5Partial evidenceTampa, FL, United StatesHQ checked Sep 22, 202611-50141 contacts →

Partial evidence

Sales Hacker Top 10 Sales Leadership Winner Best Sales Training Program by Hubspot.com Top Tech Sales Bootcamp by CareerKarma Only sales program specializing in mastering SaaS…”

Source: RevenueBase Database · checked Sep 22, 2026
6Indirect evidenceLehi, UT, United StatesHQ checked Sep 22, 20261,001-5,000124 contacts →

Indirect evidence

“Boom Demand is an Lead Generation & Customer Acquisition powerhouse that will help you increase revenue and grow your customer base.”

Source: RevenueBase Database · checked Sep 22, 2026
7Indirect evidenceSheridan, WY, United StatesHQ checked Sep 22, 202651-200118 contacts →

Indirect evidence

“Scalemill helps B2B SaaS companies start the right conversations with the right people.”

Source: RevenueBase Database · checked Sep 22, 2026
8Indirect evidenceSalt Lake City, UT, United StatesHQ checked Sep 22, 202651-200112 contacts →

Indirect evidence

“Why Launch Leads?”

Source: RevenueBase Database · checked Sep 22, 2026
9Indirect evidenceWilson, NC, United StatesHQ checked Sep 22, 202611-5098 contacts →

Indirect evidence

“North State Consulting is more than a business.”

Source: RevenueBase Database · checked Sep 22, 2026
10Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 22, 202651-20098 contacts →

Indirect evidence

“Start closing deals with the help of our SDRs and extensive business data.”

Source: RevenueBase Database · checked Sep 22, 2026
11Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 22, 202651-20053 contacts →

Indirect evidence

“Start filling your pipeline now!”

Source: RevenueBase Database · checked Sep 22, 2026
12Strong evidenceLouisville, KY, United StatesHQ checked Sep 22, 2026n/a37 contacts →

Strong evidence

“Key Outreach is an Outsourced Sales Development Company that allows growth-focused start-ups, agencies, and client service companies to maximize their sales efforts by providing a…”

Source: RevenueBase Database · checked Sep 22, 2026
13Strong evidenceSt Louis, MO, United StatesHQ checked Sep 22, 202611-5036 contacts →

Strong evidence

“We're a B2B Lead Generation and Sales Development firm that helps companies and/or high-level sales and marketing teams who: 1.”

Source: RevenueBase Database · checked Sep 22, 2026
14Partial evidenceKansas City, MO, United StatesHQ checked Sep 22, 202611-5035 contacts →

Partial evidence

“Fuel Sales is the leading sales bootcamp that provides the resources and talent companies need to scale.”

Source: RevenueBase Database · checked Sep 22, 2026
15Indirect evidenceAustin, TX, United StatesHQ checked Sep 22, 202611-5032 contacts →

Indirect evidence

“Sellfire provides AI-enabled human SDRs to B2B teams.”

Source: RevenueBase Database · checked Sep 22, 2026
16Indirect evidenceSan Antonio, TX, United StatesHQ checked Sep 22, 202611-5032 contacts →

Indirect evidence

“Human SDRs, better data, smarter outreach”

Source: RevenueBase Database · checked Sep 22, 2026
17Partial evidenceAllentown, PA, United StatesHQ checked Sep 22, 202611-5024 contacts →

Partial evidence

“ProphetLogic helps companies have smarter sales conversations - faster.”

Source: RevenueBase Database · checked Sep 22, 2026
18Strong evidenceJackson, WY, United StatesHQ checked Sep 22, 202611-5023 contacts →

Strong evidence

“What We Do // We help growing B2B companies predictably achieve their sales development targets so they can achieve 2-4X year-over-year revenue growth.”

Source: RevenueBase Database · checked Sep 22, 2026
19Partial evidenceValhalla, NY, United StatesHQ checked Sep 22, 202611-5018 contacts →

Partial evidence

“Maximizing Sales Productivity Customer acquisition is not just about appointment setting for this week's leads - it's about building a Sales Opportunity Pipeline for your sales…”

Source: RevenueBase Database · checked Sep 22, 2026
20Strong evidenceDenver, CO, United StatesHQ checked Sep 22, 202611-5018 contacts →

Strong evidence

“Pipestry is your sales development team.”

Source: RevenueBase Database · checked Sep 22, 2026
21Strong evidenceSan Francisco, CA, United StatesHQ checked Sep 22, 202611-5017 contacts →

Strong evidence

“InsideScale helps SaaS leaders scale faster through expert-led sales development.”

Source: RevenueBase Database · checked Sep 22, 2026
22Indirect evidenceRaleigh, NC, United StatesHQ checked Sep 22, 202611-5014 contacts →

Indirect evidence

“50m+ in healthcare B2B pipeline.”

Source: RevenueBase Database · checked Sep 22, 2026
23Indirect evidenceWilmington, DE, United StatesHQ checked Sep 22, 20261-1014 contacts →

Indirect evidence

“Luru AI SDR helps you book more meetings.”

Source: RevenueBase Database · checked Sep 22, 2026
24Indirect evidenceUnited StatesHQ checked Sep 22, 202611-5012 contacts →

Indirect evidence

“We provide an outbound plan for your products where you only receive calls with your potential clients and we take care of the rest with our team of SDRs who are trained by us!”

Source: RevenueBase Database · checked Sep 22, 2026
25Partial evidenceMiami, United StatesHQ checked Sep 22, 202611-5012 contacts →

Partial evidence

“We are a team of tactical SDRs that focus on growing the top of your sales funnel.”

Source: RevenueBase Database · checked Sep 22, 2026

Showing 25 of 148 sales development representatives based in the United States

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 591 reachable decision-makers.

Free signup · no credit card

View the full list →

Sales development representatives based in the United States at a glance

As of Sep 22, 2026
17.3%Verified-email coverage
23.1Average contacts per company
1-10Median size (employees)
8.1%Largest-city concentration · San Francisco
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
81
11-50
51
51-200
11
201-500
3
501-1,000
1
1,001-5,000
1

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 148 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 sales development representatives, 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 “sales development representatives”. 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 sales development representatives), 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 sales development representatives, 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, 591 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 22, 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.

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 sales development representatives, 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 sales development representatives are there based in the United States?

RevenueBase identified 148 sales development representatives 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?

Memoryblue, headquartered in Tysons, tops this list with the largest team on record.

Which city has the most sales development representatives?

San Francisco leads with 12 headquartered companies, followed by New York (10) and Austin (8).

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 591 verified decision-maker contacts tracked across these 148 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 22, 2026.

Ready to reach these companies? Verified emails and direct dials for all 148 sales development representatives based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.