Company lists · Data refreshed September 2026
Top 25 Nonprofit mentoring organizations based in Portland, United States
RevenueBase identified 45 nonprofit mentoring organizations headquartered in Portland, United States as of September 2026 and tracks 1,033 professional contacts across them, including 331 with verified work emails. New York is the largest hub.
This list covers nonprofit mentoring organizations headquartered in Portland, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest nonprofit mentoring organizations based in Portland, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 324 contacts → | ||||
Indirect evidence “Friends of the Children was founded in 1993 in Portland, OR with just three Friends-salaried, professional mentors-and 24 children.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 193 contacts → | ||||
Partial evidence “InsideTrack is a mission-driven nonprofit that fuels positive change by empowering and advancing all learners to achieve their educational and career goals through the…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 76 contacts → | ||||
Indirect evidence “REAP is a year round multicultural youth leadership program committed to empowering the next wave of leaders.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 57 contacts → | ||||
Indirect evidence “Portland YouthBuilders (PYB) provides life-changing opportunities to very low income youth between the ages of 17-24 who have dropped out of high school.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 43 contacts → | ||||
Indirect evidence “Friends of the Children breaks the cycle of generational poverty by giving children facing the highest-risks the ability to create a new story.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 30 contacts → | ||||
Partial evidence “Our Mission as a Youth Nonprofit Organization: To empower all young people, especially those who need us most, to discover their full potential as caring, engaged, responsible…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 23 contacts → | ||||
Indirect evidence “Elevate Oregon is a non-profit youth service organization delivering “an invitation to achieve” to youth in the 4th to 12th grade in the Parkrose School District, one of the most…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 21 contacts → | ||||
Indirect evidence “Boys & Girls Clubs of Southern Maine has been a trusted and enduring presence in the Portland community for over a century, providing a safe, nurturing environment where young…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 18 contacts → | ||||
Indirect evidence “One size does not fit all.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 17 contacts → | ||||
Indirect evidence “Junior Achievement of Oregon and SW Washington (JA) inspires and prepares young people for success through hands-on programs that promote work readiness, entrepreneurship and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 12 contacts → | ||||
Indirect evidence “Junior Achievement empowers young people to own their economic success.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 11 contacts → | ||||
Partial evidence “Our program matches volunteer individuals, couples, and families with children ages of 6 – 9 for mentoring relationships.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 10 contacts → | ||||
Indirect evidence “Because People Matter encourages connectedness and understanding among segmented groups in society though its Night Strike, First Door and BTown Kids programs.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 8 contacts → | ||||
Partial evidence “We catalyze growth for nonprofit organizations and social enterprises that are creating lasting change in under-resourced communities.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 8 contacts → | ||||
Partial evidence “Great Life Mentoring provides volunteer-based mentoring for children from low-resource families receiving outpatient mental health care.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 8 contacts → | ||||
Indirect evidence “Passion Impact believes students deserve equitable access to resources and to be their authentic selves within communities they share with one another.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 8 contacts → | ||||
Partial evidence “The Lillard Foundation, in collaboration with Damian Lillard, is a Portland-based nonprofit organization committed to empowering youth.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 7 contacts → | ||||
Indirect evidence “Since 1980, Maine Youth Leadership (MYL) has worked with Maine youth to seek out, recognize, and develop their leadership skills.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 7 contacts → | ||||
Indirect evidence “PWA believes in big dreams and good careers for all high school students.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 7 contacts → | ||||
Indirect evidence “MIKE’S mission is to educate and mentor underserved students to lead healthy lives personally, in their school community, and beyond.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 7 contacts → | ||||
Partial evidence “SetPath is 501(c)3 nonprofit that exists to help young adults move forward in their lives with intentionality, clarity, and confidence with the support of a mentor.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 6 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 5 contacts → | ||||
Indirect evidence “Mission: To empower low-income college students to embrace their full potential through international learning experiences and mentorship.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 4 contacts → | ||||
Indirect evidence “The Zenie Foundation helps students become effective adults and helps effective adults become inspired leaders.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 4 contacts → | ||||
Strong evidence “Camp Rosenbaum Fund is a community-building nonprofit whose mission is to provide life-enhancing opportunities for low-income young people through mentoring, camp, and athletic…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: nonprofit mentoring organizations. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names nonprofit mentoring organizations.
- Partial evidence
- Its own public description names part of nonprofit mentoring organizations, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name nonprofit mentoring organizations. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 45 nonprofit mentoring organizations based in Portland, United States
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Nonprofit mentoring organizations based in Portland, United States at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Portland, so it is reported there. Company counts and contact totals on this page are exact for Portland, over 45 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among nonprofit mentoring organizations, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Portland, United States whose own description of what they do matches “nonprofit mentoring organizations”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names nonprofit mentoring organizations), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among nonprofit mentoring organizations, and records with no verified work email. Companies headquartered outside Portland are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 331 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Nonprofit mentoring organizations by metro in the United States
- Nonprofit mentoring organizations in New York220
- Nonprofit mentoring organizations in Los Angeles150
- Nonprofit mentoring organizations in Chicago149
- Nonprofit mentoring organizations in Atlanta107
- Nonprofit mentoring organizations in Washington100
- Nonprofit mentoring organizations in Houston81
- Nonprofit mentoring organizations in Dallas71
- Nonprofit mentoring organizations in Boston63
- Nonprofit mentoring organizations in San Francisco61
- Nonprofit mentoring organizations in Seattle56
- Nonprofit mentoring organizations in Charlotte52
- Nonprofit mentoring organizations in Philadelphia50
- Nonprofit mentoring organizations in Miami49
- Nonprofit mentoring organizations in Portland45
- Nonprofit mentoring organizations in Denver44
- Nonprofit mentoring organizations in San Diego43
- Nonprofit mentoring organizations in Baltimore42
- Nonprofit mentoring organizations in Oakland41
- Nonprofit mentoring organizations in Austin40
- Nonprofit mentoring organizations in Detroit39
- Nonprofit mentoring organizations in Orlando38
- Nonprofit mentoring organizations in Indianapolis37
- Nonprofit mentoring organizations in Minneapolis36
- Nonprofit mentoring organizations in Columbus35
- Nonprofit mentoring organizations in Cincinnati31
- Nonprofit mentoring organizations in Las Vegas31
- Nonprofit mentoring organizations in Phoenix31
- Nonprofit mentoring organizations in San Jose29
- Nonprofit mentoring organizations in Tampa29
- Nonprofit mentoring organizations in Raleigh28
- Nonprofit mentoring organizations in Pittsburgh27
- Nonprofit mentoring organizations in Sacramento27
- Nonprofit mentoring organizations in Richmond25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names nonprofit mentoring organizations, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many nonprofit mentoring organizations are there based in Portland, United States?
RevenueBase identified 45 nonprofit mentoring organizations headquartered in Portland, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Friends Of The Children, headquartered in Portland, tops this list with the largest team on record.
Which city has the most nonprofit mentoring organizations?
New York leads with 220 headquartered companies, followed by Los Angeles (150) and Chicago (149).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 331 verified decision-maker contacts tracked across these 45 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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