Company lists · Data refreshed September 2026
Top 25 Teachers unions based in the United States
RevenueBase identified 168 company matches for teachers unions associated with the United States as of September 2026 and tracks 5,633 professional contacts across them, including 1,905 with verified work emails. Austin is the largest hub.
This list covers company matches for teachers unions 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 September 22, 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.
The 25 largest teachers unions based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,293 contacts → | ||||
Exact match “The National Education Association (NEA), the nation's largest professional employee organization, is committed to advancing the cause of public education.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 2 | 577 contacts → | ||||
Exact match “The AFT is a union of professionals that champions fairness; democracy; economic opportunity; and high-quality public education, healthcare and public services for our students…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 437 contacts → | ||||
Exact match “The California Teachers Association is the preeminent voice for educators in California’s public schools and colleges, CTA is a powerful and passionate advocate for students and…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 4 | 390 contacts → | ||||
Exact match “With nearly members in total, the United Federation of Teachers is a powerful advocate for public education and working families in New York City.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 305 contacts → | ||||
Exact match “The Michigan Education Association (MEA) is a self-governing education association, representing about teachers, education support professionals and higher-education employees…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 250 contacts → | ||||
Exact match “At members strong, IEA is the largest union in Illinois.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 245 contacts → | ||||
Exact match “The California School Employees Association is the largest classified school employees union in the United States, representing more than school support staff throughout…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 211 contacts → | ||||
Exact match “PSEA represents the labor, policy, and professional interests of public school teachers and education support professionals, staff in state higher education institutions, nurses…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 168 contacts → | ||||
Exact match “The MTA is the voice of teachers, faculty, professional staff and education support professionals working at public schools, colleges and universities across Massachusetts.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 107 contacts → | ||||
Exact match “The Oregon Education Association (OEA) is a union that represents about educators working in pre-kindergarten through grade 12 public schools and community colleges.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 90 contacts → | ||||
Exact match “TSTA Mission and Vision Statement MISSION STATEMENT The Texas State Teachers Association will unite, organize and empower public education advocates to shape public education in…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 79 contacts → | ||||
Exact match “We’re a Union of more than teachers and school support professionals working for the betterment of public education in the Commonwealth.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 13 | 77 contacts → | ||||
Exact match “The Colorado Education Association is the voice of nearly educators, working together in a strong union to ensure all students get the exceptional public schools they deserve, in…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 14 | 59 contacts → | ||||
Exact match “The union for educators in the Miami-Dade County Public Schools.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 55 contacts → | ||||
Exact match “SEIU Local 509 represents nearly human service workers and educators throughout Massachusetts.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 55 contacts → | ||||
Exact match “The mission of the Tennessee Education Association is to protect and advocate for our students, our profession, and our members to create great public schools that prepare…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 50 contacts → | ||||
Exact match “We are a union of more than educators in the Los Angeles Unified School District, working side by side with parents and community allies to call for an investment in our…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 43 contacts → | ||||
Exact match “We are an affiliate of the National Education Association.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 43 contacts → | ||||
Exact match “MSTA serves more than educators and is dedicated to educating the state's children.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 42 contacts → | ||||
Exact match “The Texas American Federation of Teachers (AFT) represents all non-administrative certified and classified public school employees in traditional public schools and some charter…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 21 | 36 contacts → | ||||
Exact match “PDK International, publisher of Kappan magazine, is a professional association for educators that brings together the top leaders, thinkers, and doers to collaborate and inspire…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 22 | 32 contacts → | ||||
Exact match “Public Educator's Professional Assocaiation” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 23 | 24 contacts → | ||||
Exact match “The Texas Classroom Teachers Association is the leading teacher association in Texas, with members statewide.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 24 | 23 contacts → | ||||
Exact match “Professional Oklahoma Educators is a nonunion, nonpartisan professional association for all school personnel.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 25 | 21 contacts → | ||||
Exact match “The Clark County Education Association is a union of educators committed to elevating the education profession ensuring safe and just working conditions, and economic security for…” Recorded in the RevenueBase company graph · Sep 22, 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 “teachers unions”. 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 168 teachers unions based in the United States
See the full list, filter by size, metro and specialty, and access 1,905 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Teachers unions based in the United States at a glance
As of Sep 22, 2026Companies by employee count
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 168 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 “teachers unions” 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 1,905 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 September 22, 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 “teachers unions”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many teachers unions are there based in the United States?
RevenueBase identified 168 company matches for teachers unions associated with the United States as of September 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?
National Education Association tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most teachers unions?
Austin leads with 4 company records, followed by Columbus (4) and Arlington (3).
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 1,905 professional contacts with verified work emails tracked across these 168 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 September 22, 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.
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Company intelligence · public preview
Top 25 teachers unions based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 168 matching company records for teachers unions based in the United States, with 5,633 tracked contacts and 1,905 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 teachers unions based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Washington, United StatesReported employees: 501-1,000 | Washington, United States | 501-1,000 | Exact match | 1,293 contacts → |
“The National Education Association (NEA), the nation's largest professional employee organization, is committed to advancing the cause of public education.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  AFTaft.orgHQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 577 contacts → |
“The AFT is a union of professionals that champions fairness; democracy; economic opportunity; and high-quality public education, healthcare and public services for our students…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Burlingame, CA, United StatesReported employees: 201-500 | Burlingame, CA, United States | 201-500 | Exact match | 437 contacts → |
“The California Teachers Association is the preeminent voice for educators in California’s public schools and colleges, CTA is a powerful and passionate advocate for students and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 390 contacts → |
“With nearly members in total, the United Federation of Teachers is a powerful advocate for public education and working families in New York City.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: East Lansing, MI, United StatesReported employees: 501-1,000 | East Lansing, MI, United States | 501-1,000 | Exact match | 305 contacts → |
“The Michigan Education Association (MEA) is a self-governing education association, representing about teachers, education support professionals and higher-education employees…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Illinois Education Associationieanea.org HQ: Springfield, IL, United StatesReported employees: 51-200 | Springfield, IL, United States | 51-200 | Exact match | 250 contacts → |
“At members strong, IEA is the largest union in Illinois.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 245 contacts → |
“The California School Employees Association is the largest classified school employees union in the United States, representing more than school support staff throughout…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Harrisburg, PA, United StatesReported employees: 201-500 | Harrisburg, PA, United States | 201-500 | Exact match | 211 contacts → |
“PSEA represents the labor, policy, and professional interests of public school teachers and education support professionals, staff in state higher education institutions, nurses…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Massachusetts Teachers Associationmassteacher.org HQ: Quincy, MA, United StatesReported employees: 51-200 | Quincy, MA, United States | 51-200 | Exact match | 168 contacts → |
“The MTA is the voice of teachers, faculty, professional staff and education support professionals working at public schools, colleges and universities across Massachusetts.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Oregon Education Associationoregoned.org HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 107 contacts → |
“The Oregon Education Association (OEA) is a union that represents about educators working in pre-kindergarten through grade 12 public schools and community colleges.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Texas State Teachers Associationtsta.org HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 90 contacts → |
“TSTA Mission and Vision Statement MISSION STATEMENT The Texas State Teachers Association will unite, organize and empower public education advocates to shape public education in…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Virginia Education Associationveanea.org HQ: Richmond, VA, United StatesReported employees: 51-200 | Richmond, VA, United States | 51-200 | Exact match | 79 contacts → |
“We’re a Union of more than teachers and school support professionals working for the betterment of public education in the Commonwealth.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Colorado Education Associationcoloradoea.org HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 77 contacts → |
“The Colorado Education Association is the voice of nearly educators, working together in a strong union to ensure all students get the exceptional public schools they deserve, in…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | United Teachers Of Dadeutd.org HQ: Miami, United StatesReported employees: 11-50 | Miami, United States | 11-50 | Exact match | 59 contacts → |
“The union for educators in the Miami-Dade County Public Schools.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Seiu Local 509seiu509.org HQ: Marlborough, MA, United StatesReported employees: 51-200 | Marlborough, MA, United States | 51-200 | Exact match | 55 contacts → |
“SEIU Local 509 represents nearly human service workers and educators throughout Massachusetts.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Tennessee Education Associationteateachers.org HQ: Nashville, TN, United StatesReported employees: 51-200 | Nashville, TN, United States | 51-200 | Exact match | 55 contacts → |
“The mission of the Tennessee Education Association is to protect and advocate for our students, our profession, and our members to create great public schools that prepare…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | United Teachers LOS Angelesutla.net HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 50 contacts → |
“We are a union of more than educators in the Los Angeles Unified School District, working side by side with parents and community allies to call for an investment in our…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Maine Education Associationmaineea.org HQ: Augusta, ME, United StatesReported employees: 11-50 | Augusta, ME, United States | 11-50 | Exact match | 43 contacts → |
“We are an affiliate of the National Education Association.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Columbia, MO, United StatesReported employees: 11-50 | Columbia, MO, United States | 11-50 | Exact match | 43 contacts → |
“MSTA serves more than educators and is dedicated to educating the state's children.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Texas AFTtexasaft.org HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 42 contacts → |
“The Texas American Federation of Teachers (AFT) represents all non-administrative certified and classified public school employees in traditional public schools and some charter…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | PDK Internationalpdkinternational.org HQ: Arlington, VA, United StatesReported employees: 11-50 | Arlington, VA, United States | 11-50 | Exact match | 36 contacts → |
“PDK International, publisher of Kappan magazine, is a professional association for educators that brings together the top leaders, thinkers, and doers to collaborate and inspire…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Utah Education Associationmyuea.org HQ: Murray, UT, United StatesReported employees: 11-50 | Murray, UT, United States | 11-50 | Exact match | 32 contacts → |
“Public Educator's Professional Assocaiation” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 24 contacts → |
“The Texas Classroom Teachers Association is the leading teacher association in Texas, with members statewide.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Professional Oklahoma Educatorsprofessionaloklahomaeducators.org HQ: Norman, OK, United StatesReported employees: 11-50 | Norman, OK, United States | 11-50 | Exact match | 23 contacts → |
“Professional Oklahoma Educators is a nonunion, nonpartisan professional association for all school personnel.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Clark County Education Associationccea-nv.org HQ: Las Vegas, NV, United StatesReported employees: 11-50 | Las Vegas, NV, United States | 11-50 | Exact match | 21 contacts → |
“The Clark County Education Association is a union of educators committed to elevating the education profession ensuring safe and just working conditions, and economic security for…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 168 company matches
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Teachers unions: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
164 records in the displayed employee bands.
4 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 168 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for teachers unions?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many teachers unions did RevenueBase find based in the United States?
The saved snapshot records 168 matching company records, 5,633 tracked contacts and 1,905 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 teachers unions based in the United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/teachers-unions/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- Lists by location
- Lists A-Z
- New lists
- AI companies based in the United States
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- Media companies based in the United States
- Oil and gas companies based in the United States
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Company intelligence · public preview
Top 25 teachers unions based in the United States
RevenueBase records 168 matching company records for teachers unions based in the United States, with 5,633 tracked contacts and 1,905 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 teachers unions based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: Washington, United StatesReported employees: 501-1,000 | Washington, United States | 501-1,000 | Exact match | 1,293 contacts → |
“The National Education Association (NEA), the nation's largest professional employee organization, is committed to advancing the cause of public education.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | AFTaft.org HQ: Washington, DC, United StatesReported employees: 201-500 | Washington, DC, United States | 201-500 | Exact match | 577 contacts → |
“The AFT is a union of professionals that champions fairness; democracy; economic opportunity; and high-quality public education, healthcare and public services for our students…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Burlingame, CA, United StatesReported employees: 201-500 | Burlingame, CA, United States | 201-500 | Exact match | 437 contacts → |
“The California Teachers Association is the preeminent voice for educators in California’s public schools and colleges, CTA is a powerful and passionate advocate for students and…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 390 contacts → |
“With nearly members in total, the United Federation of Teachers is a powerful advocate for public education and working families in New York City.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: East Lansing, MI, United StatesReported employees: 501-1,000 | East Lansing, MI, United States | 501-1,000 | Exact match | 305 contacts → |
“The Michigan Education Association (MEA) is a self-governing education association, representing about teachers, education support professionals and higher-education employees…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Illinois Education Associationieanea.org HQ: Springfield, IL, United StatesReported employees: 51-200 | Springfield, IL, United States | 51-200 | Exact match | 250 contacts → |
“At members strong, IEA is the largest union in Illinois.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 245 contacts → |
“The California School Employees Association is the largest classified school employees union in the United States, representing more than school support staff throughout…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Harrisburg, PA, United StatesReported employees: 201-500 | Harrisburg, PA, United States | 201-500 | Exact match | 211 contacts → |
“PSEA represents the labor, policy, and professional interests of public school teachers and education support professionals, staff in state higher education institutions, nurses…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Massachusetts Teachers Associationmassteacher.org HQ: Quincy, MA, United StatesReported employees: 51-200 | Quincy, MA, United States | 51-200 | Exact match | 168 contacts → |
“The MTA is the voice of teachers, faculty, professional staff and education support professionals working at public schools, colleges and universities across Massachusetts.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Oregon Education Associationoregoned.org HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 107 contacts → |
“The Oregon Education Association (OEA) is a union that represents about educators working in pre-kindergarten through grade 12 public schools and community colleges.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Texas State Teachers Associationtsta.org HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 90 contacts → |
“TSTA Mission and Vision Statement MISSION STATEMENT The Texas State Teachers Association will unite, organize and empower public education advocates to shape public education in…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Virginia Education Associationveanea.org HQ: Richmond, VA, United StatesReported employees: 51-200 | Richmond, VA, United States | 51-200 | Exact match | 79 contacts → |
“We’re a Union of more than teachers and school support professionals working for the betterment of public education in the Commonwealth.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Colorado Education Associationcoloradoea.org HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 77 contacts → |
“The Colorado Education Association is the voice of nearly educators, working together in a strong union to ensure all students get the exceptional public schools they deserve, in…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | United Teachers Of Dadeutd.org HQ: Miami, United StatesReported employees: 11-50 | Miami, United States | 11-50 | Exact match | 59 contacts → |
“The union for educators in the Miami-Dade County Public Schools.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Seiu Local 509seiu509.org HQ: Marlborough, MA, United StatesReported employees: 51-200 | Marlborough, MA, United States | 51-200 | Exact match | 55 contacts → |
“SEIU Local 509 represents nearly human service workers and educators throughout Massachusetts.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Tennessee Education Associationteateachers.org HQ: Nashville, TN, United StatesReported employees: 51-200 | Nashville, TN, United States | 51-200 | Exact match | 55 contacts → |
“The mission of the Tennessee Education Association is to protect and advocate for our students, our profession, and our members to create great public schools that prepare…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | United Teachers LOS Angelesutla.net HQ: Los Angeles, CA, United StatesReported employees: 51-200 | Los Angeles, CA, United States | 51-200 | Exact match | 50 contacts → |
“We are a union of more than educators in the Los Angeles Unified School District, working side by side with parents and community allies to call for an investment in our…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Maine Education Associationmaineea.org HQ: Augusta, ME, United StatesReported employees: 11-50 | Augusta, ME, United States | 11-50 | Exact match | 43 contacts → |
“We are an affiliate of the National Education Association.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Columbia, MO, United StatesReported employees: 11-50 | Columbia, MO, United States | 11-50 | Exact match | 43 contacts → |
“MSTA serves more than educators and is dedicated to educating the state's children.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Texas AFTtexasaft.org HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 42 contacts → |
“The Texas American Federation of Teachers (AFT) represents all non-administrative certified and classified public school employees in traditional public schools and some charter…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | PDK Internationalpdkinternational.org HQ: Arlington, VA, United StatesReported employees: 11-50 | Arlington, VA, United States | 11-50 | Exact match | 36 contacts → |
“PDK International, publisher of Kappan magazine, is a professional association for educators that brings together the top leaders, thinkers, and doers to collaborate and inspire…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Utah Education Associationmyuea.org HQ: Murray, UT, United StatesReported employees: 11-50 | Murray, UT, United States | 11-50 | Exact match | 32 contacts → |
“Public Educator's Professional Assocaiation” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 24 contacts → |
“The Texas Classroom Teachers Association is the leading teacher association in Texas, with members statewide.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Professional Oklahoma Educatorsprofessionaloklahomaeducators.org HQ: Norman, OK, United StatesReported employees: 11-50 | Norman, OK, United States | 11-50 | Exact match | 23 contacts → |
“Professional Oklahoma Educators is a nonunion, nonpartisan professional association for all school personnel.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Clark County Education Associationccea-nv.org HQ: Las Vegas, NV, United StatesReported employees: 11-50 | Las Vegas, NV, United States | 11-50 | Exact match | 21 contacts → |
“The Clark County Education Association is a union of educators committed to elevating the education profession ensuring safe and just working conditions, and economic security for…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 168 company matches
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Teachers unions: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
164 records in the displayed employee bands.
4 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 168 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for teachers unions?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many teachers unions did RevenueBase find based in the United States?
The saved snapshot records 168 matching company records, 5,633 tracked contacts and 1,905 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 teachers unions based in the United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/teachers-unions/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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