Company lists · Data verified August 2026

Top 25 Assessment software companies based in the United States

Name: Assessment software companies 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 451 companies tracked

There are 451 assessment software companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 8,185 professional contacts across them, including 2,504 with verified work emails and 3,071 with mobile numbers. San Francisco is the largest hub.

This list covers assessment software 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. Data current as of August 28, 2026.

451Companies

8,185Contacts tracked

2,504Verified emails

3,071Mobile numbers

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The 25 largest assessment software companies based in the United States

Ranked by team size

Top 25 of 451 assessment software companies 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	Cambium Assessment	Reston, VA	501-1,000	526	392
2	Meazure Learning	Mclean, VA	1,001-5,000	396	181
3	Hirevue	South Jordan, UT	201-500	337	199
4	Imocha	Claymont, DE	51-200	317	107
5	Scantron	Lancaster, PA	51-200	311	30
6	KARAT	Seattle, WA	201-500	264	101
7	Hogan Assessments	Tulsa, OK	51-200	224	121
8	Criteria Corp	West Hollywood, CA	51-200	176	117
9	Questar Assessment INC	Apple Valley, MN	1,001-5,000	173	42
10	Workera	Palo Alto, CA	51-200	172	74
11	Codesignal	San Francisco, CA	51-200	143	89
12	Glider AI	Redwood City, CA	51-200	129	47
13	Surpass Assessment	West Chester, PA	51-200	115	85
14	Riverside Publishing	Rolling Meadows, IL	201-500	114	11
15	Eskill	San Antonio, TX	51-200	95	29
16	Wonderlic	Vernon Hills, IL	51-200	89	61
17	Rooftop	Miami, FL	51-200	85	19
18	Vantage Learning	New Hope, PA	51-200	80	9
19	Metritech, INC	Champaign, IL	501-1,000	77	5
20	Emetric	San Antonio, TX	51-200	68	46
21	Gentis Solutions	Covington, KY	51-200	55	32
22	Finetune A Prometric Company	Boston, MA	51-200	54	8
23	Tk20, Inc.	Austin, TX	51-200	50	9
24	Talsmart	Plano, TX	51-200	49	1
25	Fedrus Global	San Francisco, CA	51-200	29	3

Showing 25 of 451 assessment software companies based in the United States

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Assessment software companies based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

San FranciscoLargest hub · 20 HQs

3,071Contacts with mobile numbers

16Emails re-verified in last 30 days

Companies by employee count

1-10

236

11-50

145

51-200

201-500

501-1,000

1,001-5,000

Assessment software companies by metro

Metro	Companies
Assessment software companies in San Francisco	20
Assessment software companies in Chicago	13
Assessment software companies in Austin	11
Assessment software companies in Los Angeles	10
Assessment software companies in Dallas	9
Assessment software companies in New York	9
Assessment software companies in Raleigh	8
Assessment software companies in Miami	7

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 “assessment software companies”, 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; 16 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 assessment software companies are there based in the United States?

There are 451 assessment software companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Cambium Assessment, headquartered in Reston, tops this list with the largest team on record.

Which city has the most assessment software companies?

San Francisco leads with 20 headquartered companies, followed by Chicago (13) and Austin (11).

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 2,504 verified decision-maker contacts tracked across these 451 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.