Waltham, Massachusetts Nonprofits

Browse Waltham, Massachusetts nonprofits in 2026. AI-powered transparency reports with spending, CEO pay, and mission scores.

50Nonprofits
$152.7MTotal Revenue

Top Nonprofits in Waltham

1. Proteus Fund Inc

B99 · $43.6M revenue

2. New England Donor Services Inc

E02 · $17.6M revenue

3. Chs Of Waltham Inc

E910 · $11.6M revenue

4. Ophthalmic Consultants Of Boston Inc Health Welfare & Benefits Plan

Y43 · $10.5M revenue

5. The Conversation Us Inc

B90 · $8.3M revenue

6. Oakpoint Charitable Foundation

T20 · $8.2M revenue

7. Rosalyn & Richard Slifka Char Tr

· $6.3M revenue

8. Pacer Foundation

· $4.1M revenue

9. Accelerated Cure Project Inc

G50 · $2.9M revenue

10. Multicultural Neurobehavioral Rehabilitation Center Inc

P70 · $2.7M revenue

Categories in Waltham

NTEE B: 6 orgs NTEE P: 6 orgs NTEE T: 5 orgs NTEE X: 4 orgs NTEE E: 4 orgs NTEE U: 2 orgs NTEE A: 2 orgs NTEE Y: 1 orgs

All Waltham Organizations

Lumen Academy Inc

B20 · $1.1M revenue

Turpin Family Charitable Foundation

· $760K revenue

Seoul Christian University Foundation Inc

X20 · $250K revenue

Uganda Catholic Community In Archdiocese Of Boston

X99 · $220K revenue

Revive Discipleship

X20 · $426K revenue

M54 Inc

P20 · $331K revenue

Rvty Foundation

T20 · $1.9M revenue

Collective Continuum Inc

P02 · $1.0M revenue

Age Friendly Foundation

P80 · $288K revenue

Spark Photonics Foundation Inc

U40 · $462K revenue

Our Generation Speaks

A23 · $1.5M revenue

Fresenius Medical Care Foundation Inc

P20 · $2.4M revenue

Oakpoint Charitable Foundation

T20 · $8.2M revenue

Doris Buffett Legacy Foundation Inc

T20 · $475K revenue

New England Donor Services Inc

E02 · $17.6M revenue

Dassault Systemes Foundation

T20 · $400K revenue

Pacer Foundation

· $4.1M revenue

Parents Education Foundation Inc

B05 · $241K revenue

Ophthalmic Consultants Of Boston Inc Health Welfare & Benefits Plan

Y43 · $10.5M revenue

Community Day Center Of Waltham

· $466K revenue

Reagle Music Theatre Of Greater Boston Inc

A65Z · $1.1M revenue

Action For Post Soviet Jewry Inc

Q710 · $493K revenue

Universidad Simon Boliver Alumni Association Of America Inc

B84 · $423K revenue

Dominion Assemblies International Church

X20 · $0 revenue

Aging Biology Foundation Inc

U12 · $2.3M revenue

Weissman Fam Charitable Foundation 11152000

T22 · $1.6M revenue

Rosalyn & Richard Slifka Char Tr

· $6.3M revenue

American Academy Of Family Physicans

E99 · $417K revenue

Small Can Be Big Inc

· $0 revenue

Friends Of The Waltham Family School Inc

B11 · $792K revenue

American Legion

W30Z · $566K revenue

Massachusetts Society Of Anesthesiologists Inc

· $469K revenue

International Association Of Fire Fighters

· $365K revenue

Healthy Waltham Inc

E70 · $2.7M revenue

The Conversation Us Inc

B90 · $8.3M revenue

Invest In Girls Inc

· $0 revenue

Accelerated Cure Project Inc

G50 · $2.9M revenue

Tcc Cat Rescue

D20 · $463K revenue

Multicultural Neurobehavioral Rehabilitation Center Inc

P70 · $2.7M revenue

Waltham Partnership For Youth Inc

P300 · $917K revenue

Chs Of Waltham Inc

E910 · $11.6M revenue

National Affordable Housing Foundation Taunton Inc

L210 · $2.3M revenue

Pflag Greater Boston

· $703K revenue

Community Farms Outreach

K20 · $1.3M revenue

Proteus Fund Inc

B99 · $43.6M revenue

Massachusetts Assisted Living Association Inc

· $1.7M revenue

Recovery Homes Collaborative

S41 · $263K revenue

International Society For Pharmaceutical Engineering Inc

· $2.3M revenue

The A&A Fund

· $1.8M revenue

Greater Boston Police Council Inc

I60Z · $1.8M revenue

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