Updated April 2026
By Revenue SizeMedium Nonprofits
Medium Nonprofits on NonprofitTruth includes 459 organizations with combined revenue of $20.4B, drawn from IRS Form 990 filings. The average Efficiency Score across the band is 70/100.
Organizations with $10 million to $100 million in annual revenue
What This Revenue Tier Looks Like
Mid-sized nonprofits — $10M to $100M in annual revenue — capture a wide range of established regional and specialized national organizations. The 459 entities in this band typically have full-time professional staff, audited financials, and meaningful reserves. They are also the most heterogeneous group in the dataset; cross-comparison within this tier benefits strongly from filtering further by NTEE category.
Mid-sized nonprofits ($10M–$100M in annual revenue) are typically regional charities, community foundations, mid-tier hospitals, private secondary schools, or large local social-service agencies. Schedule J disclosure of executive compensation is the norm at this scale.
Revenue-tier filters group nonprofits by annual reported revenue from the most recent Form 990. The 459 medium nonprofits in this band give a like-for-like comparison set, since fundraising structure, staffing model, and reporting depth all vary substantially by organizational scale.
The 459 medium nonprofits in this view together report $20.4B in combined annual revenue on their most recent IRS Form 990 filings. Median revenue is $39.1M, and the simple average is $44.3M — a gap that reflects the long-tail distribution typical of the nonprofit sector, where a handful of large organizations account for most aggregate dollars.
Across the 459 medium nonprofits we track, 65 earn an A and 260 earn a B on the Efficiency Score (combined 71% in the top two tiers, with A-grade organizations alone at 14%). Another 134 land at C, 0 at D, and 0 at F — a combined 0% in the bottom two tiers based on program ratio, reserves, growth consistency, and CEO-comp ratio drawn from each organization's most recent Form 990.
Executive compensation detail is reported on Schedule J of the Form 990 and is not always present for every organization in this list — particularly the smaller filers using Form 990-EZ.
Robert W Woodruff Arts Center Inc
Museum Of Fine Arts
National Arbor Day Foundation
Playhouse Square Foundation
University Impact
Philharmonic Symphony Society Of New York Inc
Culver Educational Foundation
Urban Land Institute
Harvard Private Capital Holdings Inc
Washington College
Robert W Woodruff Health Sciences Center Fund Inc
Chicago Zoological Society
Boston Symphony Orchestra Inc
Shedd Aquarium Society
San Diego Symphony Orchestra Association
The Animal Medical Center
Interlochen Center For The Arts
Woodward Academy Inc
Minnesota Historical Society
National September 11 Memorial And Museum At The World Trade Center
Pittsburgh Cultural Trust
Sierra Club Foundation
Opas Foundation
Social And Environmental Entrepreneurs Inc
Columbus Zoological Park Association
Indiana Institute Of Technology Inc
New York Botanical Garden
Hood College Of Frederick Md
Royal Shakespeare
San Francisco Opera Association
Natl Sept 11 Memorial And Museum At The World Trade Center Fdn Inc
National Trust For Historic Preservation In The United States
Solomon R Guggenheim Foundation
Houston Zoo Inc
Houston Museum Of Natural Science
Great Lakes Fishery Commission
The Edison Institute Inc
National World War Ii Museum Inc
Los Angeles County Museum Of Natural History Foundation
Spencer Foundation
Chicago Symphony Orchestra
New Jersey Performing Arts Center Corporation
Fayetteville Performing Arts Center At Trilith
Alliance To End Plastic Waste Inc
Stony Brook Foundation Inc
World Trade Center Performing Arts Center Inc
Academy Museum Foundation
Paintcare Inc
Academy Foundation
California Science Center Foundation
New York City Ballet Inc
Chicago Horticultural Society
The Musical Arts Association
Seattle Theatre Group
Manhattan School Of Music
Milwaukee World Festival Inc
Multiplier
Open Space Institute Land Trust Inc
The Colburn School
Academy Of Mathematics & Science South Inc
New York Public Radio
Massachusetts Audubon Society Inc
Carnegie Institute
The Carnegie Hall Corporation
Southwestern Medical Foundation
Wolf Trap Foundation For The Performing Arts
Museum Of Science
California Academy Of Sciences
The Detroit Institute Of Arts
San Francisco Symphony
Omaha Zoological Society Inc
Roundabout Theatre Company Inc
People For The Ethical Treatment Of Animals Inc
Alamo Trust Inc
Dr Phillips Center For The Performing Arts Inc
San Diego Humane Society And S P C A
Music And Event Management Inc
Navy Pier Inc
Denver Center For The Performing Arts
Florida West Coast Symphony Inc
Mount Vernon Ladies Association Of The Union
Rocky Mountain Elk Foundation Inc
New England Aquarium Corporation
Museum Of Flight Foundation
Performing Arts Center Of Los Angeles County
Atlanta Botanical Garden Inc
Governors Island Corporation
Woodland Park Zoological Society
Radio Free Asia
Kenneth C Griffin Museum Of Science And Industry
North Carolina State University Foundation Inc
Minneapolis Society Of Fine Arts
San Antonio Zoological Society Inc
The Saint Louis Zoo Foundation
Consortium For Energy Environment And Demilitarization
Trout Unlimited Inc
Friends Of The Zoo Inc Of Kansas City Mo
Indianapolis Museum Of Art Inc
San Antonio Valley Ranch Llc
Petsmart Charities Inc
Denver Zoological Foundation Inc
San Francisco Museum Of Modern Art
The Exploratorium
The Barn Group Land Trust Inc
Walker Art Center Inc
Royal Ontario Museum
Shed Nyc Inc
Norton Museum Of Art Inc
Kimbell Art Foundation
San Francisco Ballet Association
Lyric Opera Of Chicago
Ducks Unlimited Inc
Stand Together Trust
Polynesian Cultural Center
Ressler Gertz Foundation
Pro Publica Inc
Twin Cities Public Television Inc
Country Music Foundation Inc
Aquarium Of The Pacific
Oregon Public Broadcasting
The Colorado Museum Of Natural History
National Aquarium Inc
Missouri Botanical Garden Board Of Trustees
Philadelphia Orchestra Association
Ahimsa Foundation
Rock And Roll Hall Of Fame And Museum Inc
Detroit Zoological Society
Corporation Of The Fine Arts Museums
National Wild Turkey Federation Inc
New York Historical Society
Ravinia Festival Association
Seattle Aquarium Society Seas
Rewild
New Orleans Jazz & Heritage Foundation Inc
Adrienne Arsht Center Trust Inc
Fort Worth Zoological Association Inc
Golden Gate National Parks Conservancy
Kaizen Educational Foundation
Wildlife Conservation Network Inc
Walton Arts Center Council Inc
Saint Louis Symphony Orchestra
Carnegie Hall Society Inc
Shen Yun Performing Arts Inc
League Of Conservation Voters Education Fund
Cincinnati Symphony Orchestra
Brooklyn Institute Of Arts And Sciences
Elevate Energy
Trustees Of Reservations
Our Rescue
New York Shakespeare Festival
Stanford Health Care Advantage
Indianapolis Zoological Society Inc
Childrens Museum Of Indianapolis Incorporated
National Cable Satellite Corporation
Chautauqua Institution
National Inventors Hall Of Fame Inc
Ocean Conservancy Inc
Lincoln Park Zoological Society
Napa County Land Trust
Whyy Inc
Toledo Zoological Society
Nashville Zoo Inc
Woodlands Center For The Performing Arts
The Studio Museum In Harlem
C40 Cities Climate Leadership Group Inc
Arizona Center For Nature Conservation
Atlanta Fulton County Zoo Inc
Oceana Inc
Clean Air Task Force Inc
National Trust For Local News
Appalachian Mountain Club
Denver Botanic Garden Inc
San Francisco Society For The Prevention Of Cruelty To Animals
Slipstream Group Inc
North Carolina Performing Arts Center At Charlotte Foundation
Center Theatre Group Of Los Angeles
Birdlife International
American Theatre Guild
Morton Arboretum
Hennepin Theatre Tr
North Shore Animal League America Inc
Minnesota Orchestral Association
Sundance Institute
Sustainable Energy Utility Inc
The Smith Center For The Performing Arts
Denver Art Museum Inc
National Outdoor Leadership School
International Centre For Research In Agroforestry
Memphis Brooks Museum Of Art Inc
Great Basin Institute
American Printing House For The Blind Inc
Grid Alternatives
Ceres Inc
Zoological Society Of Philadelphia
Boston Ballet Inc
Hale Centre Theatre
Dallas Symphony Association Inc
Peace Center Foundation
Global Greengrants Fund Inc
Buffalo Bayou Partnership
Mattress Recycling Council
Audubon Nature Institute Inc
Mann Center For The Performing Arts
Navy Seal Foundation Inc
Fox Theatre Inc
Jorge M Perez Art Museum Of Miami Dade County Inc
U S Green Building Council Inc
Partnership Project Inc
Palladium Foundation
Close Up Foundation
William & Mary Foundation
American Conservation
Arizona Humane Society
Florida Aquarium Inc
Volgenau Foundation
Fresnos Chaffee Zoo Corporation
Thanksgiving Point Institute Inc
Fractured Atlas Inc
The Hobby Center Foundation
Uss Midway Museum
American Film Institute Inc
Los Angeles Opera Company
Franklin Institute
Milwaukee Repertory Theater Inc
Lowry Park Zoological Society Of Tampa Inc
Borealis Philanthropy
Detroit Symphony Orchestra Hall Inc
Wilderness Society
Sustainable Markets Foundation
Window To The World Communications Inc
Climate And Clean Energy Equity Fund
Houston Ballet Foundation
Save The Redwoods League
Jserra Catholic High School
Cascade Public Media
Cdp North America Inc
Open Technology Fund
Montana Land Reliance
Pennsylvania Horticultural Society
Guthrie Theatre Foundation
Jacksonville Zoological Society Inc
The Santa Fe Opera
Crosswater Canyon Inc
Dia Center For The Arts Inc
Alvin Ailey Dance Foundation Inc
The Recycling Partnership Inc
Public Media Group Of Southern California
Artis Naples Inc
International Sustainable Energy Foundation
Robert Rauschenberg Foundation
Center For International Forestry Research
Defenders Of Wildlife
Ballet Theatre Foundation Inc
Oregon Shakespeare Festival Association
Elemental Excelerator Inc
Medal Of Honor Museum Foundation
Northwest Energy Efficiency Alliance Inc
International Fund For Animal Welfare Inc
National Parks Conservation Association
Science Museum Of Minnesota
Thomas Jefferson Foundation Inc
Earth Island Institute Inc
National Society Of The Daughters Of The American Revolution
Jazz At Lincoln Center Inc
Karuna Foundation
Center For Biological Diversity Inc
Western Pennsylvania Conservancy
Southern California Public Radio
Common Sense Media
The Wild Animal Sanctuary A Colorado Non Profit Corporation
White House Historical Association
Chicago Public Media Inc
African Wildlife Foundation
Health Education Learning Project H E L P
Marine Stewardship Council
Statue Of Liberty Ellis Island Foundation Inc
Wang Theatre Inc
Hope Media Group
Houston Symphony Society
Sunrise Project Inc
Virginia Museum Of Fine Arts Foundation
Serc Reliability Corporation
Helen Marie Taylor Charitable Foundation Inc
Colorado Open Lands
Product Care Association
American Battlefield Tr
Sea Research Foundation Inc
American Council Of Learned Societies
Paper Mill Playhouse
Cheyenne Mountain Zoological Society
National Football Museum Inc
National Board Of Osteopathic Medical Examiners Inc
Dallas Zoo Management Inc
Paws Chicago
Chesapeake Bay Foundation Inc
Catskill Watershed Corporation
Omaha Zoo Foundation
Ruth Eckerd Hall Inc
Securing Assets For Education
Tennessee Aquarium
Commonwealth Zoological Corporation
Real Life Ministry
Preservation Society Of Newport County
Seattle Symphony Orchestra Inc
Broad Art Foundation
Climate Lead Inc
Simon Wiesenthal Center Inc
Artsquest
Conservation Society Of California
Rare Inc
French American School Of New York Inc
Pittsburgh Symphony Inc
Intrepid Museum Foundation Inc
Humane Society Of Missouri
Omaha Performing Arts Society
Asian Art Museum Foundation Of San Francisco
Prx Incorporated
The Living Desert
Brooklyn Botanic Garden Corporation
Menil Foundation Inc
Houston Grand Opera Association Inc
Tennessee Performing Arts Center Management Corporation
Council On The Environment Inc
West Michigan Horticultural Society Inc
Seattle Art Museum
Ohio Historical Society
Columbus Association For The Performing Arts Inc
Perot Museum Of Nature And Science
Iowa Natural Heritage Foundation
Verra
Dove Lewis Emergency Animal Hospital Inc
Washington Drama Society Inc
Portland Art Museum
Animal Care And Control Of New York City Inc
East Coast Zoological Society Of Florida Inc
Artspace Projects Inc
International Spy Museum
Humane World For Animals International
Oregon Humane Society
Overture Center Foundation Inc
Acapita Education Finance Corporation
Armand Hammer Museum Of Art And Cultural Center Inc
River Partners
Art Bridges Inc
American Bird Conservancy
Municipal Theatre Association Of St Louis
Dallas Arboretum & Botanical
Dallas Museum Of Art
Broadway Dallas Inc
Michigan Humane Society
Old Globe Theatre
Zoological Society Of Pittsburgh
Austin Theatre Alliance
Jane Goodall Institute For Wildlife Research Education & Conservation
Music Associates Of Aspen Inc
National Minority Supplier Development Council Inc
California Waterfowl Association
Baltimore Symphony Orchestra Inc
Cincinnati Museum Center
North Texas Public Broadcasting Inc
Chicago Theatre Group Inc
Water Environment Federation
Desert Botanical Garden
Historic Haymarket Milwaukee I Inc
Coastal Conservation Association
Wvc
Clasp
Johnny Morris Wonders Of Wildlife Foundation
Facing History & Ourselves Inc
Nia Tero Foundation
Fairmount Park Conservancy
Horace Bushnell Memorial Hall Corporation
American Humane Association
Memphis Zoo Inc
Johnny Morris Ozarks Heritage Preserve
Pacific Northwest Ballet Association
Denver Dumb Friends League
American Prairie Foundation
Rivian Foundation
World Wildlife Fund Canada
Florida Veterinary Medicine Faculty Association Inc
Emancipet
Peninsula Open Space Trust
Center For Energy And Environment
American Journalism Project Inc
American Forests
John Ball Zoo
Bethel Woods Center For The Arts Inc
Commemorative Air Force
Akron Zoological Park
Vivian Beaumont Theater Inc
New York City Center Inc
Highlander Research & Education Center Inc
Providence Performing Arts Center
Grid Alternatives
Cox Science Center And Aquarium Inc
New Museum Of Contemporary Art
Groton Hill Music Inc
Neighborhood Recycling Corporation
San Francisco Zoological Society
Forest Park Forever Inc
Missouri Historical Society Jefferson Memorial Building
Greenacres Foundation
Society For The Preservation Of New England Antiquities Inc
Bonneville Environmental Foundation
Greenpeace Fund Inc
Nashville Symphony Association
American Rivers Inc
National Constitution Center
The Maryland Zoological Society Inc
National Marine Sanctuary Foundation
Yellowstone Forever
Jazz At Aspen Snowmass
Montgomery County Green Bank Corp
Point Reyes Bird Observatory
Legacy Foundation
National Association Of Conservation Districts Inc
Peninsula Humane Society & Spca
Radiant Life Ministries
St Louis Art Museum Foundation
Fish & Wildlife Foundation Of Florida Inc
Coastal Maine Botanical Gardens Inc
Lifeline Animal Project Inc
Western Reserve Land Conservancy
New England Interstate Water Pollution Control Commission
Minnesota Land Trust
Atlanta Historical Society Inc
Society Of The Four Arts
The Humane League
Kvie Inc
Triangle Land Conservancy Inc
Brandywine Conservancy & Museum Of Art
Pbs Foundation
Tate Americas Foundation
Kauffman Center For The Performing Arts
Peconic Land Trust Incorporated
Henry Francis Du Pont Winterthur Museum Inc
Naples Botanical Garden Inc
Carbon Mapper Inc
Western Rivers Conservancy
Conservation Law Foundation Inc
Sonoma Land Trust
Musical Instrument Museum
Worcester Art Museum
Grand Traverse Regional Land Conservancy
Columbus Symphony Orchestra Inc
Childrens Museum Of Manhattan
Kimmel Center Inc
Ocean Habitat And Wildlife Rescue Inc
School Of American Ballet Inc
National Tropical Botanical Garden
Indian Paintbrush Foundation
Wildlands Conservancy
Texas Agricultural Land Trust
Southern Appalachian Highlands Conservancy
Nelson Gallery Foundation
Ubongo International
Ncinnovation Inc
Shelburne Farms
How to Compare Within a Revenue Tier
A revenue tier is the most generous filter on the site — it groups together very different cause areas. Two organizations in the same tier might be a hospital system and a humanitarian aid charity. Both report on the same Form 990 schema, but their cost structures, revenue mixes, and reserve practices differ enough that direct comparisons need additional context. Filtering by NTEE category before comparing within a revenue tier gives the cleanest read.
The NonprofitTruth Efficiency Score is a 0–100 composite that summarizes four signals from the Form 990: program-spending ratio (50% of the score), revenue-growth consistency over multiple years (20%), months of fund reserves on the balance sheet (20%), and CEO compensation as a share of revenue (10%). The grade A–F mapping is purely descriptive — it summarizes the financial structure that the 990 reveals, not the social impact, program quality, or outcomes of the work the organization does. Donors evaluating impact should pair these financial signals with program-level evaluations from sources like Charity Navigator, GiveWell, or the organization's own audited reports.
Source Data and Verification
All financials on this page come from each organization's IRS Form 990 — the federal information return that 501(c)(3) public charities, private foundations, and most other tax-exempt organizations must file annually. The Form 990 is a public document. We ingest it primarily through the ProPublica Nonprofit Explorer feed, which mirrors the IRS Tax-Exempt Organization Search dataset. Original e-file XML and PDF copies of any return can be looked up directly at the IRS, ProPublica, or the Candid (formerly GuideStar) directory.
Each organization in this revenue band has its underlying Form 990 available free of charge from the IRS Tax Exempt Organization Search, the ProPublica Nonprofit Explorer, or the Candid (GuideStar) directory.
Frequently Asked Questions
What counts as a medium nonprofits?
Organizations with $10 million to $100 million in annual revenue. The threshold uses total revenue from the most recent Form 990 we have processed for each organization, so an organization that crosses the threshold mid-cycle may shift between revenue tiers as new filings post.
Why segment nonprofits by revenue size?
Cost structure varies dramatically by scale. A $5M organization with a $200K CEO has a 4% comp-to-revenue ratio; a $500M organization with a $2M CEO has a 0.4% ratio. The same Efficiency Score signals different things at different scales, so within-tier comparisons are usually more useful than cross-tier ones.
What is the Efficiency Score for medium nonprofits?
The average Efficiency Score across the 459 medium nonprofits on this page is 70/100. The composite score weights program-spending ratio (50%), revenue-growth consistency (20%), reserves (20%), and CEO-comp ratio (10%) — all drawn from the most recent Form 990.
Are mega and large nonprofits less efficient than smaller ones?
Not categorically. Larger organizations often post higher absolute CEO compensation but lower comp-to-revenue ratios. They tend to have stronger reserves and steadier revenue growth, which the Efficiency Score rewards. Smaller organizations sometimes post higher program ratios because they have less administrative overhead, but thinner reserves and more revenue volatility can offset that.
Where can I see the original Form 990 for these charities?
Click any organization’s card to open its profile. Each profile cites the source filing year and links onward to the original 990 on the IRS Tax Exempt Organization Search and on ProPublica Nonprofit Explorer.
Medium Nonprofits on NonprofitTruth includes 459 organizations with combined revenue of $20.4B, drawn from IRS Form 990 filings. The average Efficiency Score across the band is 70/100.