Company lists · Data verified August 2026

Top 25 Adaptive learning software companies based in the United States

Name: Adaptive learning 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 327 companies tracked

There are 327 adaptive learning software companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 13,403 professional contacts across them, including 5,092 with verified work emails and 5,631 with mobile numbers. New York is the largest hub.

This list covers adaptive learning 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.

327Companies

13,403Contacts tracked

5,092Verified emails

5,631Mobile numbers

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The 25 largest adaptive learning software companies based in the United States

Ranked by team size

Top 25 of 327 adaptive learning 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	Houghton Mifflin Harcourt	Troy, MO	1,001-5,000	3,799	1,368
2	Curriculum Associates	Tucson, AZ	1,001-5,000	2,384	1,462
3	IXL Learning	San, CA	1,001-5,000	1,303	732
4	AGE Of Learning	Glendale, CA	201-500	453	268
5	Schoolai	Lehi, UT	51-200	285	82
6	Lincoln Learning Solutions	Aliquippa, PA	201-500	247	125
7	Scientific Learning, A Carnegie Learning Company	Oakland, CA	51-200	233	6
8	Voyager Sopris Learning	Dallas, TX	201-500	211	69
9	Nearpod	Dania Beach, FL	201-500	203	94
10	Teachtown	Woburn, MA	51-200	183	36
11	Kitaboo	New York	51-200	147	82
12	Istation	Dallas, TX	201-500	141	26
13	Hawkes Learning	Mount Pleasant, SC	51-200	139	79
14	Dreambox Learning	Charlotte, NC	501-1,000	111	36
15	Mobymax	Pittsburgh, PA	51-200	82	19
16	NEW Classrooms	Jersey City, NJ	51-200	69	47
17	Acellus	Kansas City, MO	1,001-5,000	65	3
18	Archipelago Learning	Dallas, TX	201-500	61	2
19	Whizz Education	Seattle, WA	51-200	57	13
20	Shmoop	Lehi, UT	51-200	54	5
21	Mindplay	Tucson, AZ	51-200	53	28
22	DMAI	Los Angeles, CA	201-500	52	2
23	Squirrel AI Learning	Bellevue, WA	201-500	44	10
24	Happy Numbers	San Francisco, CA	51-200	42	14
25	Piron Corporation	New York, NY	201-500	41	1

Showing 25 of 327 adaptive learning software companies based in the United States

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Adaptive learning software companies based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

New YorkLargest hub · 29 HQs

5,631Contacts with mobile numbers

27Emails re-verified in last 30 days

Companies by employee count

1-10

177

11-50

102

51-200

201-500

501-1,000

1,001-5,000

Adaptive learning software companies by metro

Metro	Companies
Adaptive learning software companies in New York	29
Adaptive learning software companies in San Francisco	18
Adaptive learning software companies in Austin	10
Adaptive learning software companies in Boston	7
Adaptive learning software companies in Houston	6
Adaptive learning software companies in Seattle	6
Adaptive learning software companies in Dallas	6

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 “adaptive learning 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; 27 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 adaptive learning software companies are there based in the United States?

There are 327 adaptive learning software companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Houghton Mifflin Harcourt, headquartered in Troy, tops this list with the largest team on record.

Which city has the most adaptive learning software companies?

New York leads with 29 headquartered companies, followed by San Francisco (18) and Austin (10).

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 5,092 verified decision-maker contacts tracked across these 327 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.