Company lists · Data refreshed September 2026

Top 25 Nonprofit mentoring organizations based in Oakland, United States

Name: Nonprofit mentoring organizations based in Oakland, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 41 companies tracked

RevenueBase identified 41 company matches for nonprofit mentoring organizations associated with Oakland, United States as of September 2026 and tracks 985 professional contacts across them, including 358 with verified work emails. Across the United States, New York is the largest hub for this category (220 companies); Oakland has 41.

This list covers company matches for nonprofit mentoring organizations associated with Oakland, 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 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built

41Companies

985Contacts tracked

358Verified emails

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The 25 largest nonprofit mentoring organizations based in Oakland, United States

Ranked by team size

Top 25 of 41 company matches for nonprofit mentoring organizations based in Oakland, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Summer Search	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	51-200	238 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 · Sep 20, 2026 · View company records in RevenueBase
2	California Association Of Student Councils Casc	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	51-200	86 contacts →
	Exact match “CASC is a student-led non-profit organization founded in 1947 by the California Department of Education and the California Association of School Administrators.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	East BAY Asian Youth Center Ebayc	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	51-200	80 contacts →
	Exact match “EBAYC envisions all young people growing up to be lifelong builders of a just and compassionate multicultural society.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	The Youth Employment Partnership, Inc. YEP	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	11-50	76 contacts →
	Exact match “The Youth Employment Partnership (YEP) empowers Oakland youth and young adults to create clear, actionable pathways out of poverty and to a healthy adulthood.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	Youth Uprising	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	11-50	73 contacts →
	Exact match “Since it’s opening in 2005, Youth UpRising (YU) has gone from a barebones operation to a bustling, high-tech youth leadership development center.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Aspire Education	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	11-50	60 contacts →
	Exact match “Founded in 2005, Aspire Education provides high quality educational mentorship to students in underserved communities throughout the Bay Area.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	Oakland Leaf Foundation	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	51-200	53 contacts →
	Exact match “Oakland Leaf empowers youth with the confidence to explore life with curiosity and excitement, advocate for themselves and their community, and catalyze change as leaders.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	East Oakland Youth Development Center	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	11-50	48 contacts →
	Exact match “EOYDC’s mission is to nurture the holistic development of youth from kindergarten into adulthood so that they can live a life of prosperity, integrity, and purpose.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	BIG Brothers BIG Sisters Of The BAY Area	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	11-50	40 contacts →
	Exact match “Our Mission is to provide children facing adversity with strong and enduring, professionally supported 1-to-1 relationships that change their lives for the better, forever.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	Alternatives In Action	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	11-50	32 contacts →
	Exact match “Alternatives in Action is a non-profit which inspires over 1,300 Bay Area youth each year to realize their leadership potential and prepares them for college, career and community…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Flourish Agenda	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	11-50	25 contacts →
	Exact match “Flourish Agenda is a national nonprofit consulting firm that works with youth of color, schools, youth-serving organizations, foundations, and local governments to build and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	bizworld.org	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	1-10	20 contacts →
	Exact match “BizWorld equips future generations with entrepreneurial life skills to unlock their potential and create economic opportunity.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	OASES	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	11-50	19 contacts →
	Exact match “OASES' mission is to empower students with limited resources through education, mentorship and service to strengthen the Oakland community.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	Children Rising	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	11-50	17 contacts →
	Exact match “Children Rising’s mission is to nurture and equip children to rise above the challenges created by generations of poverty, violence and educational inequity.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Anewamerica Community Corporation	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	11-50	11 contacts →
	Exact match “AnewAmerica changes lives through creating economic opportunities for targeted communities.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Catalyst Youth Network	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	1-10	10 contacts →
	Exact match “Catalyst Youth Network was founded in 2020 to help bring equity of opportunity and resources to the historically underserved youth of Oakland, California.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	The Ever Forward Club	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	1-10	9 contacts →
	Exact match “The Ever Forward Club is a youth development and mentoring program whose mission is to create communities of students who are setting and achieving their personal goals inside and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Latinavida	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	1-10	8 contacts →
	Exact match “LatinaVIDA (LV) is a 501(c)(3) nonprofit dedicated to preparing and propelling the next generation of first-generation professionals-across every industry and sector.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Mentor California	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	1-10	8 contacts →
	Exact match “MENTOR’s mission is to increase both the quality and quantity of youth mentoring in America and close the mentoring gap for the one in three young people growing up without a…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	East Oakland Boxing Association Eoba	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	11-50	8 contacts →
	Exact match “East Oakland Boxing Association (EOBA) is a free after-school and summer youth development program for local youth ages 5-20.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Tech With Heart Foundation 501 C 3	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	1-10	5 contacts →
	Exact match “Tech With Heart Foundation 501(c)(3) provides a safe, nurturing foundation for learning and growing as an individual, and as a professional entrepreneur.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	Upward Roots	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	1-10	5 contacts →
	Exact match “Upward Roots is a nonprofit organization that develops leadership and empowers youth from disadvantaged communities through community service.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	We Lead Ours	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	1-10	5 contacts →
	Exact match “In 2010 We Lead Ours (WELO) was founded in Oakland California by Dwayne Aikens Jr, Lamont Robinson Jr, and Trestin George.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Brothers On The Rise	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	1-10	4 contacts →
	Exact match “Brothers on the Rise (BOTR) is a dual direct service-systems change organization addressing the multiple challenges which disproportionately affect low-income male youth of color…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Cinnamongirl INC	Exact match	Oakland, CA, United StatesHQ recorded Sep 20, 2026	1-10	2 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 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 “nonprofit mentoring organizations”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 41 nonprofit mentoring organizations based in Oakland, United States

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Nonprofit mentoring organizations based in Oakland, United States at a glance

As of Sep 20, 2026

36.3%Verified-email coverage

24.0Average contacts per company

11-50Median size (employees)

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

Email recency for this list is measured across the whole United States list rather than for Oakland, so it is reported there. Company counts and contact totals on this page are exact for Oakland, over 41 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 Oakland, United States whose business descriptions match “nonprofit mentoring organizations” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 358 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 20, 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.

Nonprofit mentoring organizations by metro in the United States

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

How many nonprofit mentoring organizations are there based in Oakland, United States?

RevenueBase identified 41 company matches for nonprofit mentoring organizations associated with Oakland, 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?

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

Which city in the United States has the most nonprofit mentoring organizations?

New York leads the United States with 220 company records, followed by Los Angeles (150) and Chicago (149). Oakland has 41.

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 358 professional contacts with verified work emails tracked across these 41 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 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 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.