1. Directory of nonprofits
  2. Locations
  3. Maryland
  4. Maryland environmental organizations

Maryland environmental organizations

There are 640 environmental organizations in Maryland. Combined, these Marylander environmental organizations employ 2,055 people, earn more than $326 million in revenue each year, and have assets of $565 million.
Skip to:
Related directory pages:

Types of environmental organizations in Maryland

Nonprofit typeNumberRevenues
Natural resource conservation organizations
 
248
 
$170,212,058
Botanical nonprofits and horticultural societies
 
86
 
$8,371,212
Environmental education organizations
 
83
 
$97,771,681
Garden clubs and horticultural programs
 
73
 
$1,248,794
Water quality and wetland conservation organizations
 
68
 
$101,193,369
Environmental professional societies
 
52
 
$1,314,217
Land conservation organizations
 
50
 
$17,825,830
Pollution abatement and control organizations
 
49
 
$31,372,613
Civic environmental and open space organizations
 
34
 
$3,962,132
Energy conservation and development organizations
 
23
 
$23,967,598
Showing 10 of 17 categories

Environmental organizations by major Maryland cities

Metro areaNonprofitsRevenues
Baltimore
 
292
 
$135,987,578
Washington DC
 
252
 
$109,465,268
Salisbury
 
15
 
$4,521,082
Philadelphia, PA
 
13
 
$4,299,401
Hagerstown
 
11
 
$3,790,445
Cumberland
 
8
 
$981,264
Lexington Park, MD
 
8
 
$1,057,793
Showing 7 of 7 metros

Job trends for Maryland environmental organizations

Employees per organizationNumber of organizations
0
 
66
1-10
 
78
11-25
 
33
26-100
 
20
101 to 1,000
 
2
1,000+
 
0
Key takeaways for employment stats:

Sizes of environmental organizations in Maryland

Revenues per organizationNumber of organizations
< $250k
 
140
$250k to $1M
 
68
$1M to $5M
 
55
$5M to $25M
 
6
$25M to $100M
 
2
$100M+
 
0
Key takeaways for revenue stats:

Directory of environmental organizations in Maryland

Want to add filters to this list, or drill down on results in detail? Open in the Cause IQ search interface
1-20 of 640

Chesapeake Bay Foundation

The Chesapeake Bay Foundation is an environmental organization that is dedicated to saving the Chesapeake Bay.
Revenue
$32.2m
Assets
$126.5m
Employees
278
EIN
52-6065757
IRS type
501(c)(3)

Montgomery County Green Bank Corporation

A nonprofit that accelerates affordable clean energy investment in Montgomery County, MD for a sustainable and resilient future.
Revenue
$19.4m
Assets
$41.1m
Employees
13
EIN
81-2179565
IRS type
501(c)(3)

Nature Forward (ANS)

Nature Forward inspires residents of the DC area to appreciate, understand, and protect their natural environment through outdoor experiences, education and advocacy, and creates a larger and more diverse community of people who treasure the natural world....
Revenue
$5.6m
Assets
$14.6m
Employees
117
EIN
53-0233715
IRS type
501(c)(3)

Chesapeake Bay Trust

The mission of the Chesapeake Bay Trust is to promote public awareness and participation in the restoration and protection of the water quality and aquatic and land resources of the Chesapeake Bay region and other aquatic and land resources of the State.
Revenue
$22.2m
Assets
$35.7m
Employees
38
EIN
52-1454182
IRS type
501(c)(3)

Solid Waste Association of North America

SWANA advances sustainable solid waste management practices through development, education, and technical programs.
Revenue
$6.4m
Assets
$4.7m
Employees
28
EIN
91-1027785
IRS type
501(c)(3)

Trees for the Future

Trees for the Future improves the livelihoods of farmers in developing countries by revitalizing degraded lands with climate-smart trees forest gardens.
Revenue
$14.1m
Assets
$7.5m
Employees
31
EIN
52-1644869
IRS type
501(c)(3)

Chesapeake Climate Action Network (CCAN)

CCAN is dedicated to educate and mobilize citizens of this region in a way that fosters a rapid societal switch to clean energy and energy-efficient products.
Revenue
$2.5m
Assets
$2.7m
Employees
38
EIN
11-3644283
IRS type
501(c)(3)

Anacostia Watershed Society

Anacostia Watershed Society protects and restores the Anacostia River, bringing partners and communities together for a clean and safe environment.
Revenue
$2.3m
Assets
$2.2m
Employees
22
EIN
52-1666511
IRS type
501(c)(3)

5050 Climate Project and Climate Majority Project

These projects engage investors to hold corporations accountable for governance, environmental conservation, and confronting systemic risks.
Revenue
$3.4m
Assets
$2.4m
Employees
16
EIN
82-1105809
IRS type
501(c)(3)

Foundations of Success

Fos provides conservation practitioners with skills, tools, and frameworks to amplify their impact in managing successful projects and demonstrating conservation outcomes.
Revenue
$3.7m
Assets
$4.3m
Employees
13
EIN
20-5561272
IRS type
501(c)(3)

Community Forklift

Community Forklift fosters community revitalization through a surplus and salvaged material exchange, supporting local non-profits and green building education.
Revenue
$2.9m
Assets
$1.8m
Employees
49
EIN
52-1975012
IRS type
501(c)(3)

The Potomac Conservancy

Potomac Conservancy protects the Potomac River and its tributaries, communicates conservation impact, and works with landowners in Silver Spring.
Revenue
$2.8m
Assets
$3.7m
Employees
25
EIN
52-1842501
IRS type
501(c)(3)

Low Impact Development Center

LID Center is a non-profit research org in Maryland focusing on sustainable stormwater management for urban areas.
Revenue
$2.0m
Assets
$1.1m
Employees
12
EIN
52-2138076
IRS type
501(c)(3)

Rock Creek Conservancy

Rock Creek Conservancy protects and restores Rock Creek, engages volunteers, educates the public, and addresses pollution to enhance the park's natural environment.
Revenue
$2.2m
Assets
$1.7m
Employees
23
EIN
20-3874333
IRS type
501(c)(3)

National Council on Radiation Protection and Measurements

NCRP collects, analyzes and disseminates information on radiation protection and measurements in the public interest through its publications program.
Revenue
$3.6m
Assets
$2.9m
Employees
5
EIN
52-0806696
IRS type
501(c)(3)

Alliance for the Chesapeake Bay

The Alliance for the Chesapeake Bay inspires and supports local action to restore and protect the Chesapeake Bay watershed.
Revenue
$11.4m
Assets
$5.1m
Employees
65
EIN
54-1060924
IRS type
501(c)(3)

Izaak Walton League of America

Izaak Walton League of America conserves, restores, and promotes the sustainable use and enjoyment of our natural resources, including soil, air, woods, waters, and wildlife.
Revenue
$4.2m
Assets
$11.7m
Employees
17
EIN
36-1930035
IRS type
501(c)(3)

National Environmental Balancing Bureau (NEBB)

To establish and direct a international standards, training and certification programs that enable NEEB certified firms to optimize building performance worldwide.
Revenue
$2.7m
Assets
$4.0m
Employees
8
EIN
23-7180848
IRS type
501(c)(6)

Environmental Concern (EC)

EC promotes public understanding and stewardship of wetlands with the goal of improving water quality and enhancing nature's habitat.
Revenue
$3.2m
Assets
$1.6m
Employees
16
EIN
52-0970499
IRS type
501(c)(3)

Shorerivers (MRC)

Midshore RIVERKEEPER(r) Conservancy (MRC) is a non-profit organization dedicated to the restoration and protection of the waterways that comprise the Choptank River watershed, Eastern Bay, and the Miles and Wye Rivers.
Revenue
$4.6m
Assets
$3.6m
Employees
32
EIN
26-3187608
IRS type
501(c)(3)
Want more insights on environmental organizations in Maryland?
There's a whole lot more to Cause IQ than what you see here. Additional filters, personnel information, peer benchmarking, Salesforce integration, vendor lists, etc. Access all the information your company needs in one place, already collected.
Schedule a demo
Over 200 customers use Cause IQ to grow, maintain, and serve their nonprofit clients.
Methodology: Cause IQ mines all tax-exempt organizations that file a Form 990, Form 990-EZ, or Form 990-PF with the IRS. We collect and aggregate this information from OCR'd paper taxreturns, XML e-file taxreturns, IRS-provided extract, the Business Master File, and Cause IQ secret sauce for data cleaning, categorization, classification, analytics, etc.
This category corresponds to the "C00: Environment: General" National Taxonomy of Exempt Entities (NTEE) code. Cause IQ determines NTEEs for organizations by its own internally-developed secret-sauce algorithms.
Cause IQ is a website that helps companies grow, maintain, and serve their nonprofit clients, and helps nonprofits find additional foundation funding. Our data and tools help professionals prospect for nonprofits, research opportunities, benchmark their clients, and enrich existing information.
Nonprofits
Product
Customers
About

© 2025 Nonprofit Metrics LLC
Terms of Service and Privacy Policy