Company lists · Data verified August 2026

Top 25 Certification platforms based in the United States

Name: Certification platforms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 268 companies tracked

There are 268 certification platforms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 10,050 professional contacts across them, including 3,893 with verified work emails and 3,390 with mobile numbers. Miami is the largest hub.

This list covers certification platforms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

268Companies

10,050Contacts tracked

3,893Verified emails

3,390Mobile numbers

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The 25 largest certification platforms based in the United States

Ranked by team size

Top 25 of 268 certification platforms based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Prometric	White Marsh, MD	1,001-5,000	2,096	552
2	Ascend Learning	Burlington, MA	1,001-5,000	1,288	969
3	Comptia	Downers Grove, IL	201-500	960	288
4	Colibri Group	Warren, PA	1,001-5,000	679	475
5	Sectigo	Scottsdale, AZ	501-1,000	598	320
6	Meazure Learning	Mclean, VA	1,001-5,000	396	181
7	Certus	Orlando, FL	201-500	306	179
8	AI Certs	New York, NY	1,001-5,000	293	58
9	Kryterion, INC	Phoenix, AZ	201-500	234	62
10	Parchment By Instructure	Scottsdale, AZ	1,001-5,000	223	113
11	International Training	Stuart, FL	51-200	212	20
12	Sprintzeal	Las Vegas, NV	51-200	176	12
13	Surpass Assessment	West Chester, PA	51-200	115	85
14	Accredible	Mountain View, CA	51-200	95	70
15	Holmes Corporation	Eagan, MN	51-200	85	51
16	MERIT	Sunnyvale, CA	51-200	83	4
17	Training Camp	Vienna, VA	51-200	71	24
18	Edcetera	Waukesha, WI	51-200	65	46
19	Credly By Pearson	Minneapolis, MN	51-200	60	5
20	Paradigm, Incorporated	Virginia Beach, VA	51-200	55	46
21	Certiverse	Chicago, IL	51-200	49	32
22	Benchprep	Chicago, IL	51-200	47	33
23	Certification Planner, LLC	Salt Lake City, UT	51-200	27	1
24	Center For Credentialing & Education	Greensboro, NC	51-200	21	5
25	Star Certification	Glendale, CA	51-200	10	2

Showing 25 of 268 certification platforms based in the United States

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Certification platforms based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

MiamiLargest hub · 12 HQs

3,390Contacts with mobile numbers

18Emails re-verified in last 30 days

Companies by employee count

1-10

113

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Certification platforms by metro

Metro	Companies
Certification platforms in Miami	12
Certification platforms in New York	12
Certification platforms in Houston	9
Certification platforms in Orlando	6
Certification platforms in San Francisco	6
Certification platforms in Sheridan	5
Certification platforms in Las Vegas	5

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “certification platforms”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 18 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many certification platforms are there based in the United States?

There are 268 certification platforms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Prometric, headquartered in White Marsh, tops this list with the largest team on record.

Which city has the most certification platforms?

Miami leads with 12 headquartered companies, followed by New York (12) and Houston (9).

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 3,893 verified decision-maker contacts tracked across these 268 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.