Company lists · Data refreshed November 2026

Top 25 Teacher professional development organizations based in the United States

Name: Teacher professional development organizations based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 814 companies tracked

RevenueBase identified 814 company matches for teacher professional development organizations associated with the United States as of November 2026 and tracks 27,187 professional contacts across them, including 5,691 with verified work emails. New York is the largest hub.

This list covers company matches for teacher professional development organizations 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

814Companies

27,187Contacts tracked

5,691Verified emails

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The 25 largest teacher professional development organizations based in the United States

Ranked by team size

Top 25 of 814 company matches for teacher professional development organizations 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Teachergoals	Exact match	Indianapolis, United StatesHQ recorded Nov 6, 2026	n/a	3,102 contacts →
	Exact match “TeacherGoals aims to give educators a voice and provides the resources needed to be successful in the classroom and beyond.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Catapult Learning	Exact match	Philadelphia, PA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,032 contacts →
	Exact match “Catapult Learning is there for educators and their students.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Education Connection	Exact match	Litchfield, CT, United StatesHQ recorded Nov 6, 2026	n/a	1,903 contacts →
	Exact match “Develops professional development activities for educators; leads strategic planning initiatives; supports innovative teaching and learning projects (including eLearning…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Teaching Matters	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	n/a	1,897 contacts →
	Exact match “A teacher development non-profit committed to increasing teacher effectiveness to prepare urban students with critical-thinking and college readiness skills.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Broome-Tioga Boces	Exact match	Binghamton, United StatesHQ recorded Nov 6, 2026	1,001-5,000	632 contacts →
	Exact match “Occupational and Vocational Education” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Solution Tree	Exact match	Bloomington, IN, United StatesHQ recorded Nov 6, 2026	51-200	538 contacts →
	Exact match “Solution Tree delivers comprehensive professional development to schools and districts around the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Accelerate Learning	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	51-200	374 contacts →
	Exact match “We are a trusted leader in research-based educational and professional development resources in STEM education.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Teaching LAB	Exact match	Washington, DC, United StatesHQ recorded Nov 6, 2026	51-200	355 contacts →
	Exact match “Teaching Lab is a nonprofit organization that works to close the educational opportunity gap through teacher-led professional learning.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	ISTE	Exact match	Arlington, VA, United StatesHQ recorded Nov 6, 2026	201-500	332 contacts →
	Exact match “The International Society for Transforming Education is a nonprofit that guides and inspires educators to create high-quality, purposeful learning experiences that reflect each…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	NEW Teacher Center	Exact match	Santa Cruz, CA, United StatesHQ recorded Nov 6, 2026	51-200	328 contacts →
	Exact match “NTC builds a resilient, modern educator workforce with enriching professional learning that inspires teachers to stay, grow, and lead.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Teach Plus	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	51-200	272 contacts →
	Exact match “The mission of Teach Plus is to empower excellent, experienced teachers to take leadership over key policy and practice issues that affect their students’ success.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Math For America	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	n/a	244 contacts →
	Exact match “At MƒA, we’ve created fellowships for accomplished mathematics and science teachers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Michigan Virtual	Exact match	Lansing, MI, United StatesHQ recorded Nov 6, 2026	51-200	232 contacts →
	Exact match “Michigan Virtual™, formerly known as Michigan Virtual University® & Michigan Virtual School®, has been working hard to provide a path to the future for students and educators…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	National Board For Professional Teaching Standards	Exact match	Arlington, VA, United StatesHQ recorded Nov 6, 2026	51-200	229 contacts →
	Exact match “The National Board for Professional Teaching Standards is a nonpartisan, nonprofit educational organization dedicated to promoting excellence in education.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Heinemann	Exact match	Portsmouth, NH, United StatesHQ recorded Nov 6, 2026	51-200	228 contacts →
	Exact match “Heinemann delivers world-class educational resources, including curriculum, books, media, and learning tools to enhance teacher practice and advance student outcomes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	National Science Teaching Association	Exact match	Richmond, VA, United StatesHQ recorded Nov 6, 2026	51-200	216 contacts →
	Exact match “The National Science Teaching Association (NSTA), founded in 1944 and headquartered in Richmond, Virginia, is an association of science teachers in the United States and is the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	National Council Of Teachers Of Mathematics - Nctm	Exact match	Reston, VA, United StatesHQ recorded Nov 6, 2026	51-200	207 contacts →
	Exact match “The National Council of Teachers of Mathematics is the public voice of mathematics education, supporting teachers to ensure equitable mathematics learning of the highest quality…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Foundations, INC	Exact match	Mt. Laurel, NJ, United StatesHQ recorded Nov 6, 2026	51-200	189 contacts →
	Exact match “Creating a brighter future for every child-every day.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Math Solutions	Exact match	Sausalito, CA, United StatesHQ recorded Nov 6, 2026	51-200	187 contacts →
	Exact match “Founded in 1984 by Marilyn Burns, a leader in teacher advocacy and one of today’s preeminent math educators, Math Solutions is the foremost authority on transforming K-8 math…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	TEQ	Exact match	Huntington Station, NY, United StatesHQ recorded Nov 6, 2026	51-200	176 contacts →
	Exact match “Our mission is to champion the evolution of the modern classroom by promoting unparalleled service and equipment, and offering dynamic professional development that enables…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Educare Foundation	Exact match	Los Angeles, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	159 contacts →
	Exact match “EduCare Foundation, founded in 1990, annually provides social-emotional learning (SEL), afterschool/expanded learning, summer programs, and specialized services to over students…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Corwin	Exact match	Thousand Oaks, CA, United StatesHQ recorded Nov 6, 2026	51-200	144 contacts →
	Exact match “At Corwin, we believe every student deserves an exceptional education.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Barberton City School District	Exact match	Barberton, OH, United StatesHQ recorded Nov 6, 2026	11-50	137 contacts →
	Exact match “Barberton City School District is an education management company based out of 479 Norton Ave, Barberton, Ohio, United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Teaching Channel	Exact match	Eagan, CA, United StatesHQ recorded Nov 6, 2026	11-50	127 contacts →
	Exact match “Welcome to the education evolution!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	MAVEN	Exact match	Remote, United StatesHQ recorded Nov 6, 2026	11-50	127 contacts →
	Exact match “The home for human expertise on the internet.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “teacher professional development organizations”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 814 teacher professional development organizations based in the United States

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Teacher professional development organizations based in the United States at a glance

As of Nov 6, 2026

20.9%Verified-email coverage

33.4Average contacts per company

1-10Median size (employees)

4.7%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

512

11-50

191

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 814 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 “teacher professional development organizations” 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 5,691 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.

Teacher professional development organizations by metro

Teacher professional development organizations in New York38

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 “teacher professional development organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many teacher professional development organizations are there based in the United States?

RevenueBase identified 814 company matches for teacher professional development organizations 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?

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

Which city has the most teacher professional development organizations?

New York leads with 38 company records, followed by Atlanta (17) and Chicago (16).

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 5,691 professional contacts with verified work emails tracked across these 814 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.