Company lists · Data refreshed September 2026
Top 25 Reading intervention software companies worldwide
RevenueBase identified 414 reading intervention software companies worldwide as of September 2026 and tracks 15,331 professional contacts across them, including 5,518 with verified work emails. The United States is the largest market and New York the largest hub.
This list covers reading intervention software companies worldwide, 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 29, 2026. Country and city lists for reading intervention software companies follow the table.
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.
The 25 largest reading intervention software companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,645 contacts → | ||||
Indirect evidence “Please visit us at our new company page, HMH.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,924 contacts → | ||||
Partial evidence “As a global leader in assessment, reading, and math solutions for pre-K–12 schools and districts, Renaissance is committed to providing educators with insights and resources to…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 1,139 contacts → | ||||
Indirect evidence “Edmentum believes that every student deserves the opportunity to thrive - whether they seek to catch up, stay on track, or simply chart their own path.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 943 contacts → | ||||
Indirect evidence “Ei is an ed-tech company that leverages the twin levers of cutting-edge research and technology-based solutions approach to revolutionise how children engaged in the K-12…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 673 contacts → | ||||
Partial evidence “Benchmark Education Company (BEC) is a leading publisher of core, supplemental, and intervention literacy and language resources in English and Spanish, with valid and reliable…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 625 contacts → | ||||
Strong evidence “Ignite Reading partners with school districts nationwide to provide one-to-one early literacy intervention that closes students' reading gaps for good.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 395 contacts → | ||||
Indirect evidence “At 3P Learning, we love digital learning and are passionate about helping educators inspire a lifelong love of learning in every child.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 351 contacts → | ||||
Indirect evidence “Amco specializes in immersive English learning systems for K-12.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 260 contacts → | ||||
Indirect evidence “Learning Ally is a leading education solutions organization committed to transforming the lives of struggling learners.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 210 contacts → | ||||
Partial evidence “Fully focused on intervention, we have established four decades of results that demonstrate the efficacy of our solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 199 contacts → | ||||
Partial evidence “95 Percent Group is an education company whose mission is to build on the science of reading to empower teachers-supplying the knowledge, resources, and support they need-to…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 192 contacts → | ||||
Indirect evidence “Learning Without Tears' mission is to instill the joy of learning and teaching within every classroom.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 187 contacts → | ||||
Indirect evidence “We strive for nothing less than realizing the full potential of education; providing effective, data-driven solutions designed to support a new era of innovation, growth and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 179 contacts → | ||||
Partial evidence “TeachTown is focused on providing software and solutions for students with disabilities.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 126 contacts → | ||||
Indirect evidence “Edrolo is a comprehensive system to support teaching and build measurable student results.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 115 contacts → | ||||
Indirect evidence “MultiLit (“Making Up Lost Time in Literacy”) is a leading provider of effective literacy instruction in Australasia.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 113 contacts → | ||||
Indirect evidence “DreamBox Learning is now a part of Discovery Education!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 112 contacts → | ||||
Indirect evidence “EPS Learning has partnered with educators for more than 70 years to advance literacy as the springboard for lifelong learning and opportunity.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 101 contacts → | ||||
Indirect evidence “CommonLit is a nonprofit edtech company dedicated to helping unlock the potential of all students” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 84 contacts → | ||||
Indirect evidence “Neuhaus Education Center has been a pioneer in providing literacy solutions in Texas and beyond.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 75 contacts → | ||||
Partial evidence “UULA Technologies develops and distributes advanced EdTech software.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 70 contacts → | ||||
Partial evidence “Heggerty is a literacy education company providing research-based reading and writing curricula, decodable books, and professional development for preschool and elementary…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 68 contacts → | ||||
Indirect evidence “GL Education is a global leader in edtech with a clear mission: to accelerate learning for all children and adults of all ability levels and ethnic and social backgrounds…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 63 contacts → | ||||
Indirect evidence “GL Assessment is a global leader in education technology with a clear mission: to accelerate learning for all children and adults of all ability levels and ethnic and social…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 57 contacts → | ||||
Partial evidence “Amplio is reshaping the delivery of special education services by helping school-based providers optimize intervention time while maximizing their impact.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: reading intervention software companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names reading intervention software companies.
- Partial evidence
- Its own public description names part of reading intervention software companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name reading intervention software companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 414 reading intervention software companies worldwide
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Reading intervention software companies worldwide at a glance
As of Sep 29, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 reading intervention software companies, 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.
- Coverage
- Every country. Country and city lists for reading intervention software companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “reading intervention software companies”. 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 reading intervention software companies), 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 reading intervention software companies, and records with no verified work email.
- 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, 5,518 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 29, 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.
Reading intervention software companies by location
2 lists · largest firstEvery Reading intervention software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 reading intervention software companies, 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 reading intervention software companies are there worldwide?
RevenueBase identified 414 reading intervention software companies worldwide 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?
Houghton Mifflin Harcourt, headquartered in Boston, tops this list with the largest team on record.
Which country has the most reading intervention software companies?
The United States leads with 174 companies, followed by the United Kingdom (28). Every reading intervention software companies list by country and city is linked on this page.
Which city has the most reading intervention software companies?
New York leads with 14 headquartered companies, followed by San Francisco (6) and London (5).
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 5,518 verified decision-maker contacts tracked across these 414 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 29, 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 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.