Company lists · Data refreshed November 2026
Top 25 Stem mentoring nonprofits based in the United States
RevenueBase identified 1,396 company matches for stem mentoring nonprofits associated with the United States as of November 2026 and tracks 16,136 professional contacts across them, including 3,223 with verified work emails. New York is the largest hub.
This list covers company matches for stem mentoring nonprofits 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.
The 25 largest stem mentoring nonprofits based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,306 contacts → | ||||
Exact match “FIRST was founded in 1989 to inspire young people's interest and participation in science and technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 510 contacts → | ||||
Exact match “The Technology Student Association (TSA) is a national organization devoted exclusively to students engaged in science, technology, engineering and mathematics (STEM).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 419 contacts → | ||||
Exact match “Project Lead The Way (PLTW) is a national nonprofit that provides career-focused STEM education.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 295 contacts → | ||||
Exact match “Global Mentorship Initiative (GMI) is a U.S-based nonprofit organization that helps historically underrepresented graduates worldwide secure their first professional roles and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 249 contacts → | ||||
Exact match “At iMentor, we believe in the transformative power of mentorship as a force for good.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 245 contacts → | ||||
Exact match “The Opportunity Network (OppNet) equips high school and college students with the skills and experiences to harness their power and passions and thrive in college and their…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 242 contacts → | ||||
Exact match “Summer Search believes young people should have the opportunity to fulfill their potential, regardless of their circumstances.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 205 contacts → | ||||
Exact match “Develop for Good is a 501(c)(3) nonprofit that supports college students as they build software for nonprofits under industry mentorship.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 194 contacts → | ||||
Exact match “We aim to build a strong STEM workforce through academic learning and experiential engagement for high school and college students.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 186 contacts → | ||||
Exact match “JerseySTEM is a network of parents, professionals, students and educators whose goal is to promote excellence in Science, Technology, Engineering and Math (STEM) education.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 183 contacts → | ||||
Exact match “Our mission is to prevent the following societal problems: suicide, precarity and poverty, school truancy, and bullying, in addition to lack literacy and numeracy, college…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 159 contacts → | ||||
Exact match “Our aim is to facilitate opportunities for racialized and minoritized students to connects to practical pathways to upward social mobility through education.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 141 contacts → | ||||
Exact match “We believe all children deserve the opportunity to thrive.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 134 contacts → | ||||
Exact match “The HeadStart Fellowship is a mentorship program designed to give high achieving college students a “head start” on their professional and personal development.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 131 contacts → | ||||
Exact match “Our Vision: All youth achieve their full potential.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 128 contacts → | ||||
Exact match “MENTOR is the unifying champion for quality youth mentoring in the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 109 contacts → | ||||
Exact match “TeamMates Mentoring is a nonprofit organization founded by Dr.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 103 contacts → | ||||
Exact match “Big Brothers Big Sisters believes every child is born with potential.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 103 contacts → | ||||
Exact match “EnCorps Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 87 contacts → | ||||
Exact match “We are a student-run 501(c)(3) organization that empowers engineers, designers, activists, and humanitarians to create lasting social change by developing projects for local…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 86 contacts → | ||||
Exact match “The ACE Mentor Program of America, Inc.(ACE) helps mentor high school students and inspires them to pursue careers in design and construction.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 85 contacts → | ||||
Exact match “The Sunshine Method is a powerful one-on-one learning initiative designed to promote education and leadership in youth from diverse backgrounds.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 81 contacts → | ||||
Exact match “The ACE Mentor Program prepares high school students for careers in design and construction.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 76 contacts → | ||||
Exact match “SCFG’s mission is to foster excitement, confidence, and literacy in STEM for girls and gender-expansive youth from underrepresented communities by providing free, experiential…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 73 contacts → | ||||
Exact match “Every child deserves a chance to see their potential realized.” 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 “stem mentoring nonprofits”. 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 1,396 stem mentoring nonprofits based in the United States
See the full list, filter by size, metro and specialty, and access 3,223 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Stem mentoring nonprofits based in the United States at a glance
As of Nov 6, 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 1,396 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 “stem mentoring nonprofits” 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 3,223 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.
Stem mentoring nonprofits by metro
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 “stem mentoring nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many stem mentoring nonprofits are there based in the United States?
RevenueBase identified 1,396 company matches for stem mentoring nonprofits 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?
FIRST tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most stem mentoring nonprofits?
New York leads with 68 company records, followed by Chicago (52) and Los Angeles (44).
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 3,223 professional contacts with verified work emails tracked across these 1,396 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.
Ready to reach these companies? Verified emails and direct dials for all 1,396 stem mentoring nonprofits based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Stem mentoring nonprofits by geography
- Stem mentoring nonprofits based in Toronto, Canada
- Stem mentoring nonprofits based in London, United Kingdom
- Stem mentoring nonprofits based in Chicago, United States
- Stem mentoring nonprofits based in Los Angeles, United States
- Stem mentoring nonprofits based in New York, United States
- Stem mentoring nonprofits based in Washington, United States
- Stem mentoring nonprofits based in Australia
- Stem mentoring nonprofits based in Canada
- Stem mentoring nonprofits based in France
- Stem mentoring nonprofits based in Germany
- Stem mentoring nonprofits based in India
- Stem mentoring nonprofits based in South Africa
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Stem mentoring nonprofits based in Toronto, Canada
- Stem mentoring nonprofits based in London, United Kingdom
- Stem mentoring nonprofits based in Chicago, United States
- Stem mentoring nonprofits based in Los Angeles, United States
- Stem mentoring nonprofits based in New York, United States
- Stem mentoring nonprofits based in Washington, United States
Company intelligence · public preview
Top 25 stem mentoring nonprofits 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 1,396 matching company records for stem mentoring nonprofits based in the United States, with 16,136 tracked contacts and 3,223 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: November 6, 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 stem mentoring nonprofits 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 |  FIRSTfirstinspires.orgHQ: Manchester, NH, United StatesReported employees: Not recorded | Manchester, NH, United States | Not recorded | Exact match | 2,306 contacts → |
“FIRST was founded in 1989 to inspire young people's interest and participation in science and technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Technology Student Associationtsaweb.orgHQ: Reston, VA, United StatesReported employees: Not recorded | Reston, VA, United States | Not recorded | Exact match | 510 contacts → |
“The Technology Student Association (TSA) is a national organization devoted exclusively to students engaged in science, technology, engineering and mathematics (STEM).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Project Lead The WAYpltw.orgHQ: Indianapolis, IN, United StatesReported employees: 201-500 | Indianapolis, IN, United States | 201-500 | Exact match | 419 contacts → |
“Project Lead The Way (PLTW) is a national nonprofit that provides career-focused STEM education.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Global Mentorship Initiativeglobalmentorship.orgHQ: Bellevue, WA, United StatesReported employees: Not recorded | Bellevue, WA, United States | Not recorded | Exact match | 295 contacts → |
“Global Mentorship Initiative (GMI) is a U.S-based nonprofit organization that helps historically underrepresented graduates worldwide secure their first professional roles and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Imentorimentor.orgHQ: New York, MD, United StatesReported employees: 51-200 | New York, MD, United States | 51-200 | Exact match | 249 contacts → |
“At iMentor, we believe in the transformative power of mentorship as a force for good.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  The Opportunity Networkopportunitynetwork.orgHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 245 contacts → |
“The Opportunity Network (OppNet) equips high school and college students with the skills and experiences to harness their power and passions and thrive in college and their…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Summer Searchsummersearch.orgHQ: Oakland, CA, United StatesReported employees: 51-200 | Oakland, CA, United States | 51-200 | Exact match | 242 contacts → |
“Summer Search believes young people should have the opportunity to fulfill their potential, regardless of their circumstances.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Develop For Gooddevelopforgood.orgHQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 205 contacts → |
“Develop for Good is a 501(c)(3) nonprofit that supports college students as they build software for nonprofits under industry mentorship.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  SMASHsmash.orgHQ: Oakland, CA, United StatesReported employees: Not recorded | Oakland, CA, United States | Not recorded | Exact match | 194 contacts → |
“We aim to build a strong STEM workforce through academic learning and experiential engagement for high school and college students.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Jerseystemjerseystem.orgHQ: Chatham, NJ, United StatesReported employees: Not recorded | Chatham, NJ, United States | Not recorded | Exact match | 186 contacts → |
“JerseySTEM is a network of parents, professionals, students and educators whose goal is to promote excellence in Science, Technology, Engineering and Math (STEM) education.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Rebecca Everlene Trust Companyrebeccaeverlene.orgHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 183 contacts → |
“Our mission is to prevent the following societal problems: suicide, precarity and poverty, school truancy, and bullying, in addition to lack literacy and numeracy, college…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Chicago Education Advocacy Cooperativechieac.orgHQ: Chicago, IL, United StatesReported employees: Not recorded | Chicago, IL, United States | Not recorded | Exact match | 159 contacts → |
“Our aim is to facilitate opportunities for racialized and minoritized students to connects to practical pathways to upward social mobility through education.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  The Dream Program, INCdreamprogram.orgHQ: Winooski, VT, United StatesReported employees: 11-50 | Winooski, VT, United States | 11-50 | Exact match | 141 contacts → |
“We believe all children deserve the opportunity to thrive.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Headstart Fellowshipheadstartfellowship.comHQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 134 contacts → |
“The HeadStart Fellowship is a mentorship program designed to give high achieving college students a “head start” on their professional and personal development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  BIG Brothers BIG Sisters Of NEW York Citytinyurl.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 131 contacts → |
“Our Vision: All youth achieve their full potential.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Mentormentoring.orgHQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 128 contacts → |
“MENTOR is the unifying champion for quality youth mentoring in the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Teammates Mentoring Programteammates.orgHQ: Lincoln, NE, United StatesReported employees: 11-50 | Lincoln, NE, United States | 11-50 | Exact match | 109 contacts → |
“TeamMates Mentoring is a nonprofit organization founded by Dr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Santa Ana, CA, United StatesReported employees: 51-200 | Santa Ana, CA, United States | 51-200 | Exact match | 103 contacts → |
“Big Brothers Big Sisters believes every child is born with potential.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Encorpsencorps.orgHQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 103 contacts → |
“EnCorps Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Hack4impact CAL Polycalpoly.hack4impact.orgHQ: San Luis Obispo, CA, United StatesReported employees: 51-200 | San Luis Obispo, CA, United States | 51-200 | Exact match | 87 contacts → |
“We are a student-run 501(c)(3) organization that empowers engineers, designers, activists, and humanitarians to create lasting social change by developing projects for local…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  ACE Mentor Program Of Americaacementor.orgHQ: Philadelphia, PA, United StatesReported employees: 11-50 | Philadelphia, PA, United States | 11-50 | Exact match | 86 contacts → |
“The ACE Mentor Program of America, Inc.(ACE) helps mentor high school students and inspires them to pursue careers in design and construction.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  The Sunshine Methodthesunshinemethod.comHQ: Miami, FL, United StatesReported employees: 201-500 | Miami, FL, United States | 201-500 | Exact match | 85 contacts → |
“The Sunshine Method is a powerful one-on-one learning initiative designed to promote education and leadership in youth from diverse backgrounds.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  ACE Mentor Program Of Greater NYacementorny.orgHQ: New York, NY, United StatesReported employees: Not recorded | New York, NY, United States | Not recorded | Exact match | 81 contacts → |
“The ACE Mentor Program prepares high school students for careers in design and construction.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Science Club For Girlsscienceclubforgirls.orgHQ: Cambridge, MA, United StatesReported employees: 11-50 | Cambridge, MA, United States | 11-50 | Exact match | 76 contacts → |
“SCFG’s mission is to foster excitement, confidence, and literacy in STEM for girls and gender-expansive youth from underrepresented communities by providing free, experiential…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  BIG Brothers BIG Sisters Of Metropolitan Chicagobbbschgo.orgHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 73 contacts → |
“Every child deserves a chance to see their potential realized.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,396 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Stem mentoring nonprofits: dataset insights
November 6, 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
1,392 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 1,396 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: November 6, 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 ↗
Stem mentoring nonprofits by metro
Questions about this company list
What does Exact match mean for stem mentoring nonprofits?
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 stem mentoring nonprofits did RevenueBase find based in the United States?
The saved snapshot records 1,396 matching company records, 16,136 tracked contacts and 3,223 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: November 6, 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
Stem mentoring nonprofits by geography
- Stem mentoring nonprofits based in Toronto, Canada
- Stem mentoring nonprofits based in London, United Kingdom
- Stem mentoring nonprofits based in Chicago, United States
- Stem mentoring nonprofits based in Los Angeles, United States
- Stem mentoring nonprofits based in New York, United States
- Stem mentoring nonprofits based in Washington, United States
- Stem mentoring nonprofits based in Australia
- Stem mentoring nonprofits based in Canada
- Stem mentoring nonprofits based in France
- Stem mentoring nonprofits based in Germany
- Stem mentoring nonprofits based in India
- Stem mentoring nonprofits based in South Africa
Cite this list
RevenueBase Data Team. Top 25 stem mentoring nonprofits based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/stem-mentoring-nonprofits/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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Stem mentoring nonprofits based in Toronto, Canada
- Stem mentoring nonprofits based in London, United Kingdom
- Stem mentoring nonprofits based in Chicago, United States
- Stem mentoring nonprofits based in Los Angeles, United States
- Stem mentoring nonprofits based in New York, United States
- Stem mentoring nonprofits based in Washington, United States
Company intelligence · public preview
Top 25 stem mentoring nonprofits based in the United States
RevenueBase records 1,396 matching company records for stem mentoring nonprofits based in the United States, with 16,136 tracked contacts and 3,223 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: November 6, 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 stem mentoring nonprofits 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 | FIRSTfirstinspires.org HQ: Manchester, NH, United StatesReported employees: Not recorded | Manchester, NH, United States | Not recorded | Exact match | 2,306 contacts → |
“FIRST was founded in 1989 to inspire young people's interest and participation in science and technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Technology Student Associationtsaweb.org HQ: Reston, VA, United StatesReported employees: Not recorded | Reston, VA, United States | Not recorded | Exact match | 510 contacts → |
“The Technology Student Association (TSA) is a national organization devoted exclusively to students engaged in science, technology, engineering and mathematics (STEM).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Project Lead The WAYpltw.org HQ: Indianapolis, IN, United StatesReported employees: 201-500 | Indianapolis, IN, United States | 201-500 | Exact match | 419 contacts → |
“Project Lead The Way (PLTW) is a national nonprofit that provides career-focused STEM education.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Global Mentorship Initiativeglobalmentorship.org HQ: Bellevue, WA, United StatesReported employees: Not recorded | Bellevue, WA, United States | Not recorded | Exact match | 295 contacts → |
“Global Mentorship Initiative (GMI) is a U.S-based nonprofit organization that helps historically underrepresented graduates worldwide secure their first professional roles and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Imentorimentor.org HQ: New York, MD, United StatesReported employees: 51-200 | New York, MD, United States | 51-200 | Exact match | 249 contacts → |
“At iMentor, we believe in the transformative power of mentorship as a force for good.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | The Opportunity Networkopportunitynetwork.org HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 245 contacts → |
“The Opportunity Network (OppNet) equips high school and college students with the skills and experiences to harness their power and passions and thrive in college and their…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Summer Searchsummersearch.org HQ: Oakland, CA, United StatesReported employees: 51-200 | Oakland, CA, United States | 51-200 | Exact match | 242 contacts → |
“Summer Search believes young people should have the opportunity to fulfill their potential, regardless of their circumstances.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Develop For Gooddevelopforgood.org HQ: San Francisco, CA, United StatesReported employees: Not recorded | San Francisco, CA, United States | Not recorded | Exact match | 205 contacts → |
“Develop for Good is a 501(c)(3) nonprofit that supports college students as they build software for nonprofits under industry mentorship.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | SMASHsmash.org HQ: Oakland, CA, United StatesReported employees: Not recorded | Oakland, CA, United States | Not recorded | Exact match | 194 contacts → |
“We aim to build a strong STEM workforce through academic learning and experiential engagement for high school and college students.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Jerseystemjerseystem.org HQ: Chatham, NJ, United StatesReported employees: Not recorded | Chatham, NJ, United States | Not recorded | Exact match | 186 contacts → |
“JerseySTEM is a network of parents, professionals, students and educators whose goal is to promote excellence in Science, Technology, Engineering and Math (STEM) education.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Rebecca Everlene Trust Companyrebeccaeverlene.org HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 183 contacts → |
“Our mission is to prevent the following societal problems: suicide, precarity and poverty, school truancy, and bullying, in addition to lack literacy and numeracy, college…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Chicago Education Advocacy Cooperativechieac.org HQ: Chicago, IL, United StatesReported employees: Not recorded | Chicago, IL, United States | Not recorded | Exact match | 159 contacts → |
“Our aim is to facilitate opportunities for racialized and minoritized students to connects to practical pathways to upward social mobility through education.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | The Dream Program, INCdreamprogram.org HQ: Winooski, VT, United StatesReported employees: 11-50 | Winooski, VT, United States | 11-50 | Exact match | 141 contacts → |
“We believe all children deserve the opportunity to thrive.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Headstart Fellowshipheadstartfellowship.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 134 contacts → |
“The HeadStart Fellowship is a mentorship program designed to give high achieving college students a “head start” on their professional and personal development.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | BIG Brothers BIG Sisters Of NEW York Citytinyurl.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 131 contacts → |
“Our Vision: All youth achieve their full potential.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Mentormentoring.org HQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 128 contacts → |
“MENTOR is the unifying champion for quality youth mentoring in the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Teammates Mentoring Programteammates.org HQ: Lincoln, NE, United StatesReported employees: 11-50 | Lincoln, NE, United States | 11-50 | Exact match | 109 contacts → |
“TeamMates Mentoring is a nonprofit organization founded by Dr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Santa Ana, CA, United StatesReported employees: 51-200 | Santa Ana, CA, United States | 51-200 | Exact match | 103 contacts → |
“Big Brothers Big Sisters believes every child is born with potential.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Encorpsencorps.org HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 103 contacts → |
“EnCorps Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Hack4impact CAL Polycalpoly.hack4impact.org HQ: San Luis Obispo, CA, United StatesReported employees: 51-200 | San Luis Obispo, CA, United States | 51-200 | Exact match | 87 contacts → |
“We are a student-run 501(c)(3) organization that empowers engineers, designers, activists, and humanitarians to create lasting social change by developing projects for local…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | ACE Mentor Program Of Americaacementor.org HQ: Philadelphia, PA, United StatesReported employees: 11-50 | Philadelphia, PA, United States | 11-50 | Exact match | 86 contacts → |
“The ACE Mentor Program of America, Inc.(ACE) helps mentor high school students and inspires them to pursue careers in design and construction.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | The Sunshine Methodthesunshinemethod.com HQ: Miami, FL, United StatesReported employees: 201-500 | Miami, FL, United States | 201-500 | Exact match | 85 contacts → |
“The Sunshine Method is a powerful one-on-one learning initiative designed to promote education and leadership in youth from diverse backgrounds.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | ACE Mentor Program Of Greater NYacementorny.org HQ: New York, NY, United StatesReported employees: Not recorded | New York, NY, United States | Not recorded | Exact match | 81 contacts → |
“The ACE Mentor Program prepares high school students for careers in design and construction.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Science Club For Girlsscienceclubforgirls.org HQ: Cambridge, MA, United StatesReported employees: 11-50 | Cambridge, MA, United States | 11-50 | Exact match | 76 contacts → |
“SCFG’s mission is to foster excitement, confidence, and literacy in STEM for girls and gender-expansive youth from underrepresented communities by providing free, experiential…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | BIG Brothers BIG Sisters Of Metropolitan Chicagobbbschgo.org HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 73 contacts → |
“Every child deserves a chance to see their potential realized.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,396 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Stem mentoring nonprofits: dataset insights
November 6, 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
1,392 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 1,396 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: November 6, 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 ↗
Stem mentoring nonprofits by metro
Questions about this company list
What does Exact match mean for stem mentoring nonprofits?
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 stem mentoring nonprofits did RevenueBase find based in the United States?
The saved snapshot records 1,396 matching company records, 16,136 tracked contacts and 3,223 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: November 6, 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
Stem mentoring nonprofits by geography
- Stem mentoring nonprofits based in Toronto, Canada
- Stem mentoring nonprofits based in London, United Kingdom
- Stem mentoring nonprofits based in Chicago, United States
- Stem mentoring nonprofits based in Los Angeles, United States
- Stem mentoring nonprofits based in New York, United States
- Stem mentoring nonprofits based in Washington, United States
- Stem mentoring nonprofits based in Australia
- Stem mentoring nonprofits based in Canada
- Stem mentoring nonprofits based in France
- Stem mentoring nonprofits based in Germany
- Stem mentoring nonprofits based in India
- Stem mentoring nonprofits based in South Africa
Cite this list
RevenueBase Data Team. Top 25 stem mentoring nonprofits based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/stem-mentoring-nonprofits/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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Stem mentoring nonprofits based in Toronto, Canada
- Stem mentoring nonprofits based in London, United Kingdom
- Stem mentoring nonprofits based in Chicago, United States
- Stem mentoring nonprofits based in Los Angeles, United States
- Stem mentoring nonprofits based in New York, United States
- Stem mentoring nonprofits based in Washington, United States