| Adkins Arboretum LTD | Ridgely | D | $1.11M |
| Algonquin Ultras Inc | Fruitland | A | $161K |
| Alice Ferguson Foundation Inc | Accokeek | C | $2.06M |
| Alliance for the Chesapeake Bay Inc | Annapolis | B | $16.01M |
| American Chestnut Land Trust Inc | PRNC Frederck | C | $982K |
| American Lumber Standard Committee | Frederick | B | $3.82M |
| Anacostia Watershed Society Inc | Bladensburg | A | $2.62M |
| Anchor Point Inc | Cambridge | C | $178K |
| Annapolis Green Inc | Annapolis | D | $99K |
| Anne Arundel County Watershed Stewards Academy Inc | Millersville | B | $1.88M |
| Arundel Rivers Federation Inc | Edgewater | A | $3.51M |
| Asks Inc | Shady Side | A | $138K |
| Assateague Coastal Trust Inc | Berlin | C | $309K |
| Assateague Island Alliance Inc | Berlin | C | $61K |
| Association for Environmental Studies | Halethorpe | C | $100K |
| Association for Nature-Based Education | Glen Arm | A | $416K |
| Audubon Society of Central Maryland Inc | Mount Airy | D | $14K |
| Back River Restoration Committee in | Baltimore | B | $592K |
| Baltimore County Land Trust | Hunt Valley | C | $178K |
| Baltimore Green Space | Baltimore | C | $841K |
| Baltimore Tree Trust Inc | Baltimore | B | $5.83M |
| Bay Journal Media Inc | Mayo | B | $1.38M |
| Bay Paddle Inc | Arnold | D | $22K |
| Berkshire-Eastwood Recreation and Parks Council Inc | Baltimore | C | $23K |
| Bethesda Green Inc | Bethesda | C | $341K |
| Blue Water Baltimore | Baltimore | A | $3.61M |
| C&O Canal Trust Inc | Williamsport | B | $1.91M |
| Calvert Environmental Trust for | PRNC Frederck | D | $37K |
| Calvert Nature Society Inc | Port Republic | D | $77K |
| Catoctin Land Trust Inc | Frederick | C | $531K |
| Catonsville Rails to Trail Inc | Catonsville | C | $66K |
| Cecil Land Trust Inc | Elkton | C | $1.37M |
| Center for Ecological Living & Learning | Derwood | B | $69K |
| Center for Ecosystem Recovery Corp | Millersville | D | $104K |
| Center for Watershed Protection Inc | Fulton | A | $3.78M |
| Central Maryland Heritage League Inc | Middletown | F | $261 |
| Change 4 Good Incorporated | FT Washington | C | $20K |
| Cherish the Earth - Bal Tashchis | Baltimore | B | $3,444 |
| Chesapeake Audubon Society | Easton | C | $1.46M |
| Chesapeake Bay Foundation Inc | Annapolis | C | $35.41M |
| Chesapeake Climate Action Network Inc | Takoma Park | B | $4.01M |
| Chesapeake Conservancy Inc | Annapolis | B | $14.02M |
| Chesapeake Conservation Landscaping | Ridgely | B | $543K |
| Chesapeake Education Arts and | Sandy Spring | C | $41K |
| Chesapeake Heritage Conservancy Inc | Elton | C | $9,317 |
| Chesapeake Legal Alliance Inc | Annapolis | B | $1.49M |
| Chesapeake Research Consortium Inc | Edgewater | A | $2.21M |
| Chesapeake Rivers Association | Annapolis | C | $1.04M |
| Chesapeake Stormwater Network Inc | Catonsville | B | $512K |
| Chesapeake Wildlife Heritage Inc | Chester | C | $804K |
| Clean Islands International Inc | Pasadena | C | $32 |
| Climate Access Fund Corporation | Baltimore | C | $406K |
| Climate United Fund | Bethesda | C | $48.86M |
| Climatecriticalearth LTD | Baltimore | C | $107K |
| Climb for Hope Inc | Baltimore | C | $145K |
| Common Ground Earth Inc | Bel Air | C | $86K |
| Community Food Forest Collective Inc | Takoma Park | C | $59K |
| Community Native Planting Project | Bladensburg | C | $121K |
| Concerned Citizens for Proper Land Use Inc | Annapolis | D | $3,889 |
| Crownsville Conservancy Inc | Crownsville | F | $11K |
| Cylburn Arboretum Friends Inc | Baltimore | C | $1.11M |
| Deep Creek Watershed Foundation Inc | Oakland | C | $111K |
| Defensores de LA Cuenca | Hyattsville | C | $1.33M |
| Delmarva RC&D Inc | Cambridge | C | $141K |
| Earth Help Today Inc | Bethesda | D | $6,600 |
| Earthreports Inc | Uppr Marlboro | C | $210K |
| Eastern Shore Heritage Inc | Chestertown | D | $135K |
| Eastern Shore Land Conservancy Inc | Easton | C | $1.83M |
| Echo Hill Outdoor School Inc | Worton | A | $2.05M |
| Echoes of Nature Inc | Bowie | A | $258K |
| Ecolatinos Inc | College Park | C | $595K |
| Ecosikh Incorporated | Silver Spring | F | $111K |
| Elyssa Kellerman Foundation Corporation | Bethesda | C | $68K |
| Environmental Concern Inc | ST Michael | B | $1.79M |
| Environmental Engineering FNDT Inc | Annapolis | D | $63K |
| Environmental Policy Innovation Center | College Park | C | $7.88M |
| Evergreen Heritage Center Foundatio | Frostburg | C | $625K |
| Fair Hill Environmental Foundation Inc | Elkton | B | $491K |
| Federated Garden Clubs of Maryland Inc | Baltimore | D | $105K |
| Filbert Street Garden | Baltimore | D | $158K |
| Forever Maryland Inc | Easton | A | $132K |
| Foundations of Success Inc | Bethesda | A | $3.10M |
| Fox Haven Center Inc | Jefferson | F | $411K |
| Friends of Blackwater Incorporated | Cambridge | C | $113K |
| Friends of Cabin John Creek Inc | Cabin John | F | $54K |
| Friends of Calvert Cliffs State Park | Lusby | C | $114K |
| Friends of Chevy Chase Circle | Chevy Chase | F | $67K |
| Friends of Herring Run Parks Inc | Baltimore | C | $124K |
| Friends of Patterson Park Inc | Baltimore | D | $2.05M |
| Friends of Sligo Creek | Takoma Park | D | $71K |
| Friends of Stevenson Inc | Baltimore | C | $1,860 |
| Friends of the Ecosystem Restoration Movement Inc | Silver Spring | D | $150K |
| Frisky's Wildlife and Primate | Woodstock | C | $292K |
| Gemm Comm Limited | Forestville | A | $130K |
| Global Smart Energy Federation | Baltimore | F | $20K |
| Go Green Oc Inc | Ocean City | C | $45K |
| Green Advantage Inc | Frederick | B | $191K |
| Green Spring Valley Garden Club Inc | Brooklandvl | C | $52K |
| Gunpowder Riverkeeper Inc | Monkton | D | $431K |
| Harford Land Trust Inc | Bel Air | C | $558K |
| Holly Springs Nature Conservancy and Wildlife Sanctuary Inc | Hampstead | D | $29K |
| Horticultural Society of MD Inc | Luthvle Timon | B | $33K |
| Howard Ecoworks Inc | Columbia | A | $1.85M |
| Inclusive Clean Energy for Those Underserved | Bowie | F | $66K |
| Interfaith Partners for the Chesapeake Inc | Annapolis | B | $1.11M |
| Ioos Association | Silver Spring | A | $1.08M |
| Irvine Natural Science Center Inc | Owings Mills | C | $3.83M |
| Iucn Academy of Environment Law LTD | Baltimore | A | $0 |
| Izaak Walton League of America - Rockville Chapter | Germantown | D | $265K |
| Keep Kent Scenic Inc | Chestertown | D | $40K |
| Kent Narrows Development Foundation | Chester | D | $170K |
| Lake Linganore Conservation Society Inc | New Market | D | $3,471 |
| Land and Cultural Preservation Fund Inc | Walkersville | D | $382K |
| Land Preservation Trust Inc | Cockeysville | A | $5.51M |
| Laurel for the Patuxent | Laurel | C | $30K |
| Little Falls Watershed Alliance Inc | Chevy Chase | C | $188K |
| Long Green Valley Conservancy Inc | Baldwin | D | $20K |
| Lower Shore Land Trust Inc | Snow Hill | C | $1.04M |
| Lower Susquehanna Heritage | Darlington | B | $174K |
| Magothy River Association Inc | Severna Park | C | $91K |
| Magothy River Land Trust Inc | Severna Park | D | $210 |
| Majorityaction | Silver Spring | C | $1.51M |
| Marshy Point Nature Center Council | Middle River | D | $50K |
| Maryland City Communities Association Inc | Laurel | C | $51K |
| Maryland Coastal Bays Foundation Inc | Berlin | B | $4.49M |
| Maryland Forestry Boards Foundation Inc | Annapolis | C | $2.12M |
| Maryland Forests Association Inc | Linkwood | C | $133K |
| Maryland League of Conservation Voters | Annapolis | B | $1.50M |
| Maryland State Game and Fish Protective Association Inc | Perry Hall | B | $73K |
| Maryland State Geographic Information Committee LTD | Crownsville | A | $17K |
| Meade Natural Heritage Association | Severn | A | $53K |
| Mid Atlantic Regional Air | Towson | C | $2.26M |
| Mid-Atlantic Renewable Energy | Silver Spring | D | $1 |
| Mid-Maryland Land Trust Association Inc | Frederick | C | $50 |
| Minnies Island Community Conservation Co | Cabin John | D | $16K |
| Minorities in Aquaculture | Easton | F | $139K |
| Mobilize Frederick Inc | Frederick | B | $164K |
| Montgomery County Green Bank Corporation | Rockville | C | $25.52M |
| Moonshot Missions Inc | Bethesda | A | $3.67M |
| Muddy Branch Alliance Inc | Gaithersburg | D | $9,875 |
| National Council on Radiation Protection | Bethesda | B | $2.51M |
| National Marine Sanctuary Foundation | Silver Spring | B | $35.98M |
| National Park Trust Inc | Rockville | C | $4.75M |
| National Turfgrass Evaluation | Beltsville | D | $690K |
| Native Grassland Conservancy Inc | Uppr Marlboro | D | $3,909 |
| Nature Forward | Chevy Chase | B | $5.95M |
| Neighborspace of Baltimore County Inc | Lutherville | D | $495K |
| New Israel American Education Fund Inc | Bethesda | A | $0 |
| Nuclear Information and Resource Service | Mount Rainier | C | $1.40M |
| Ocean City Reef Foundation Inc | Berlin | B | $144K |
| Ocean Research Project Inc | Annapolis | C | $268K |
| Oceanitesinc | Chevy Chase | C | $217K |
| Oceantic Network Inc | Baltimore | A | $11.86M |
| Old-Growth Forest Network Inc | Berlin | C | $690K |
| One Montgomery Green Inc | Silver Spring | B | $293K |
| Opportunity Ministries Inc | Pasadena | B | $1.20M |
| Oregon Ridge Nature Center Council | Cockeysville | C | $142K |
| Our Climate Education Fund | Bethesda | C | $797K |
| Our Zero Waste Future Incorporated | Baltimore | C | $74K |
| Patuxent Tidewater Land TR | Leonardtown | C | $223K |
| Phillips Wharf Environmental Center Inc | Easton | C | $136K |
| Port Tobacco River Conservancy Inc | Port Tobacco | C | $22K |
| Prince Georges Audubon Society Incorporated | Bowie | B | $7,994 |
| Public Employees for Environmental | Silver Spring | B | $2.23M |
| Rachel Carson Council Inc | Bethesda | C | $3.62M |
| Restore the Climate | Rockville | C | $90K |
| Restore the Earth Foundation Inc | Easton | F | $218K |
| Rock Creek Conservancy Inc | Bethesda | B | $2.85M |
| Roland Park Community Foundation Inc | Baltimore | C | $386K |
| Scenic Rivers Land Trust Inc | Annapolis | D | $777K |
| Shorerivers Inc | Easton | A | $11.32M |
| Silvoculture Inc | Frederick | B | $107K |
| Smart-On-Smart | Takoma Park | C | $110K |
| Solar Freeze Inc | Hyattsville | D | $436K |
| Solid Waste Association of North America | Silver Spring | A | $5.38M |
| Solutions From the Land | Luthvle Timon | C | $554K |
| Southern Calvert Land TR Inc | Lusby | F | $3,575 |
| Southern Maryland RC&D Board Inc | Leonardtown | C | $7.35M |
| Spa Creek Conservancy Inc | Annapolis | C | $138K |
| Species Survival Network | Highland | C | $346K |
| ST Mary's River Watershed Association Inc | ST Marys City | C | $301K |
| Summerseat Farm Inc | Mechanicsvlle | F | $39K |
| Talbot County Garden Club Inc | Easton | C | $86K |
| Team River Runner Incorporated | Rockville | B | $1.40M |
| The Charles Koiner Center for Urban Farming Incorporated | Silver Spring | B | $204K |
| The Garden Club of the Eastern Shoreinc | Easton | D | $35K |
| The Howard County Conservancy Inc | Woodstock | B | $2.40M |
| The Izaak Walton League of America | Gaithersburg | B | $3.97M |
| The Joe Brooks Foundation for | Towson | B | $78K |
| The Manor Conservancy Inc | Monkton | D | $115K |
| The Maryland Recycling Network Inc | Columbia | A | $56K |
| The Potomac Conservancy Inc | Bethesda | C | $2.48M |
| The Severn River Association Inc | Annapolis | B | $1.42M |
| Thorpewood Inc | Thurmont | D | $669K |
| Trash Free Maryland Corporation | Baltimore | C | $95K |
| Trees for the Future Inc | Silver Spring | B | $9.90M |
| Turner Station Conservation Teams Inc | Dundalk | F | $109K |
| Upcycled Inc | Columbia | B | $50K |
| Upstream Alliance Inc | Annapolis | C | $2.03M |
| Urban Ecosystem Restorations Inc | Bethesda | B | $79K |
| Vine Corps Inc | Cheverly | D | $844K |
| Voices for a Sustainable Future | Takoma Park | C | $1.97M |
| Volunteer Team Inc | Flintstone | C | $168K |
| Waterkeepers Chesapeake Inc | Silver Spring | B | $312K |
| Way the Truth and Light Missionary | Joppa | D | $94K |
| Western Garrett Cnty State Park | Accident | D | $33K |
| Western Maryland Resource Conservation and Development | Hagerstown | C | $5.93M |
| Wicomico Environmental Trust LTD | Salisbury | C | $81K |
| Wild Earth Allies Inc | Chevy Chase | B | $6.97M |
| Wildlife Achievement Club Chapter Inc | Damascus | C | $355K |
| ZNRG Foundation Inc | Potomac | F | $187K |
Charity Clarity