Company lists · Data refreshed November 2026

Top 25 Digital curriculum developers based in the United States

RevenueBase identified 678 company matches for digital curriculum developers associated with the United States as of November 2026 and tracks 40,886 professional contacts across them, including 15,070 with verified work emails. New York is the largest hub.

This list covers company matches for digital curriculum developers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
678Companies
40,886Contacts tracked
15,070Verified emails
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The 25 largest digital curriculum developers based in the United States

Ranked by team size
Top 25 of 678 company matches for digital curriculum developers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBoston, NY, United StatesHQ recorded Nov 6, 20261,001-5,0003,828 contacts →

Exact match

“Please visit us at our new company page, HMH.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026n/a3,661 contacts →

Exact match

“TPT (formerly Teachers Pay Teachers) exists to empower teachers to teach at their best.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBrooklyn, NY, United StatesHQ recorded Nov 6, 20261,001-5,0003,007 contacts →

Exact match

“Amplify helps teachers bring delight and rigor to students every day.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNorth Billerica, AZ, United StatesHQ recorded Nov 6, 20261,001-5,0002,499 contacts →

Exact match

“At Curriculum Associates, we believe in the potential of every child and are changing the face of education technology with award-winning learning programs like i-Ready that serve…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchParamus, AZ, United StatesHQ recorded Nov 6, 20261,001-5,0001,741 contacts →

Exact match

“Built upon a 130-year history, Savvas is recognized as an industry leader and innovator in education.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSan Mateo (san Francisco Bay, RI, United StatesHQ recorded Nov 6, 20261,001-5,0001,386 contacts →

Exact match

“At IXL Learning, we are passionate about improving learning for all.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchWashington, DC, United StatesHQ recorded Nov 6, 20261,001-5,0001,260 contacts →

Exact match

“At Great Minds®, we believe every child is capable of greatness.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMountain View, CA, United StatesHQ recorded Nov 6, 2026n/a1,187 contacts →

Exact match

“Breakthroughs start here.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 2026501-1,000875 contacts →

Exact match

“Discovery Education is a global education technology leader whose innovative solutions empower educators and progress student learning.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPittsburgh, PA, United StatesHQ recorded Nov 6, 2026501-1,000611 contacts →

Exact match

“Carnegie Learning is a leading provider of K–12 education technology, curriculum, and professional learning solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026201-500565 contacts →

Exact match

“Quizlet is a leading consumer learning brand that builds learning tools to inspire and empower students and teachers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchGlendale, CA, United StatesHQ recorded Nov 6, 2026201-500490 contacts →

Exact match

“Age of Learning® is the leading developer of engaging and effective Pre-K through 2nd grade learning resources that help children build a strong foundation for academic success…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchRaleigh, NC, United StatesHQ recorded Nov 6, 2026201-500443 contacts →

Exact match

“VitalSource has powered digital content delivery across higher education since 1994.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPasadena, CA, United StatesHQ recorded Nov 6, 2026n/a442 contacts →

Exact match

“Numerade is the virtual learning platform that adds more meaning back to STEM education.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026201-500411 contacts →

Exact match

“At Classera, we are committed to delivering well-tuned, accessible education for EVERYONE.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchScottsdale, AZ, United StatesHQ recorded Nov 6, 2026501-1,000340 contacts →

Exact match

“Edgenuity (now Imagine Learning) partners with schools and districts to provide online and blended learning solutions that propel student success and empower every teacher to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBoston, CA, United StatesHQ recorded Nov 6, 2026501-1,000327 contacts →

Exact match

“National Geographic Learning, a part of the Cengage Group, provides quality and media-rich programs in the K-12 education space.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026201-500320 contacts →

Exact match

“We believe technology is a powerful lever to make education equitable for all and the fastest way to improve educational outcomes now.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026201-500295 contacts →

Exact match

“BrainPOP is the best part of a learner’s day and trusted by educators to deliver engaging learning experiences that create lifelong impact.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 2026201-500293 contacts →

Exact match

“At Edpuzzle, we've been on both sides of the classroom, because so many of us started our journey as teachers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMedford, MA, United StatesHQ recorded Nov 6, 2026201-500292 contacts →

Exact match

“With a history of innovation, Six Red Marbles is leading the way in the next phase of education.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchColumbus, OH, United StatesHQ recorded Nov 6, 202651-200262 contacts →

Exact match

“Zaner-Bloser develops curriculum resources to teach foundational literacy and math skills to students in prekindergarten through sixth grade.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSan Francisco, NY, United StatesHQ recorded Nov 6, 2026201-500261 contacts →

Exact match

“Kiddom is the coherent instructional system for K-12 and the creator of Learning Intelligence Technology (LIT).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchAliquippa, PA, United StatesHQ recorded Nov 6, 2026201-500257 contacts →

Exact match

“Lincoln Learning Solutions is a 501(c)(3) nonprofit offering accredited EK–14 digital curriculum.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNashville, TN, United StatesHQ recorded Nov 6, 2026201-500250 contacts →

Exact match

“QuaverEd provides educators and administrators with curricula to teach music, readiness skills, health, and physical education.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 678 digital curriculum developers based in the United States

See the full list, filter by size, metro and specialty, and access 15,070 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Digital curriculum developers based in the United States at a glance

As of Nov 6, 2026
36.9%Verified-email coverage
60.3Average contacts per company
11-50Median size (employees)
6.9%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
331
11-50
211
51-200
81
201-500
29
501-1,000
9
1,001-5,000
13
5,001-10,000
2
10001+
2

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 678 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “digital curriculum developers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 15,070 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “digital curriculum developers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many digital curriculum developers are there based in the United States?

RevenueBase identified 678 company matches for digital curriculum developers associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Houghton Mifflin Harcourt tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most digital curriculum developers?

New York leads with 47 company records, followed by San Francisco (25) and Austin (21).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 15,070 professional contacts with verified work emails tracked across these 678 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.

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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 SmartSearch, 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.