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Houston environmental organizations

There are 328environmental organizations in the greater Houstonmetro area, including the cities of Houston, Baytown, Conroe, Galveston, Sugar Land, and The Woodlands. Combined, these Houston metro environmental organizationsemploy 732 people, earn more than $274 million in revenue each year, and have assets of $1 billion.
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Types of environmental organizations in Houston

Nonprofit typeNumberRevenues
Natural resource conservation organizations
103
$218,608,724
Environmental professional societies
47
$1,627,754
Botanical nonprofits and horticultural societies
44
$13,478,330
Garden clubs and horticultural programs
35
$2,951,903
Civic environmental and open space organizations
29
$23,795,392
Water quality and wetland conservation organizations
29
$56,839,264
Pollution abatement and control organizations
27
$9,675,250
Environmental education organizations
25
$2,726,894
Land conservation organizations
19
$30,487,409
Energy conservation and development organizations
18
$96,014,381
Showing 10 of 17categories

Job trends for Houston environmental organizations

Employees per organizationNumber of organizations
0
45
1-10
25
11-25
4
26-100
9
101 to 1,000
1
1,000+
0
Key takeaways for employment stats:

Sizes of environmental organizations in Houston

Revenues per organizationNumber of organizations
< $250k
56
$250k to $1M
27
$1M to $5M
21
$5M to $25M
6
$25M to $100M
2
$100M+
0
Key takeaways for revenue stats:

Directory of environmental organizations in Houston

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1-20 of 328

Buffalo Bayou Partnership

Transforming & revitalizing Houston's Buffalo Bayou through trail development, and clean & green initiatives.
Revenue
$40.2m
Assets
$75.3m
Employees
64
EIN
76-0183954
IRS type
501(c)(3)

Thermal Energy Corporation (TECO)

Houston-based Thermal Energy Corporation (TECO) has provided reliable, cost-effective and energy-efficient cooling and heating to institutions in the Texas Medical Center.
Revenue
$86.7m
Assets
$543.0m
Employees
100
EIN
94-3425643
IRS type
501(c)(3)

Tidewater and Big Bend Foundation

Tidewater and Big Bend Foundation restores historical structures, preserves art and artifacts, and protects rural landscapes in Texas and Virginia.
Revenue
$23.2m
Assets
$44.9m
Employees
0
EIN
85-3981884
IRS type
501(c)(3)

Hermann Park Conservancy

Hermann Park Conservancy is dedicated to the stewardship and improvement of Hermann Park today and for generations to come.
Revenue
$19.4m
Assets
$63.8m
Employees
86
EIN
76-0327389
IRS type
501(c)(3)

Coastal Conservation Association

Coastal Conservation Association protects and conserves marine life and resources of the US coast through programs, education, and legislation.
Revenue
$23.7m
Assets
$42.5m
Employees
96
EIN
74-1984482
IRS type
501(c)(3)

Houston Botanic Garden

We plan to establish and sustain a premier botanic garden in order to promote public appreciation and understanding of plants, gardens, and conservation of the natural world through education, conservation, and scientific inquiry.
Revenue
$5.1m
Assets
$36.4m
Employees
51
EIN
04-3695294
IRS type
501(c)(3)

Galveston Bay Foundation

Galveston Bay Foundation preserves and enhances Texas' largest estuary through education, outreach, and advocacy. Located in Kemah, TX.
Revenue
$6.9m
Assets
$29.8m
Employees
43
EIN
76-0279876
IRS type
501(c)(3)

Trees For Houston

Trees For Houston grows, plants, and maintains trees in the Greater Houston area, promoting their critical role in our community.
Revenue
$2.4m
Assets
$13.8m
Employees
19
EIN
76-0046318
IRS type
501(c)(3)

Air Alliance Houston

Air Alliance Houston advocates for air quality improvement through research, education, and partnerships in the Houston region.
Revenue
$3.8m
Assets
$4.5m
Employees
13
EIN
76-0461030
IRS type
501(c)(3)

Clinic Access Support Network

CASN provides free transportation, accommodation, childcare assistance and compassionate care to Houstonians seeking abortion services.
Revenue
$2.5m
Assets
$2.0m
Employees
1
EIN
46-3995595
IRS type
501(c)(3)

Coastal Prairie Conservancy

Coastal Prairie Conservancy protects and restores Texas coastal prairie for wildlife and educates the public about its importance.
Revenue
$4.3m
Assets
$38.9m
Employees
11
EIN
76-0377029
IRS type
501(c)(3)

Houston Audubon Society

Houston Audubon Society protects critical bird habitats and delivers nature-based educational programs in Houston, TX.
Revenue
$2.3m
Assets
$13.3m
Employees
30
EIN
23-7011870
IRS type
501(c)(3)

Rainforest Connection

Rainforest Connection develops technology to protect rainforests and endangered species from illegal activities and monitor for biodiversity.
Revenue
$2.2m
Assets
$2.1m
Employees
6
EIN
46-2022575
IRS type
501(c)(3)

Houston Arboretum & Nature Center

Houston Arboretum & Nature Center educates about the natural environment and serves as a haven for native plants and animals.
Revenue
$3.5m
Assets
$7.2m
Employees
30
EIN
74-1587880
IRS type
501(c)(3)

Urban Harvest

Urban Harvest promotes healthy communities, sound nutrition and respect for the environment by educating children and adults and facilitating harvest and habitat gardens.
Revenue
$2.5m
Assets
$2.4m
Employees
29
EIN
76-0501430
IRS type
501(c)(3)

Willow WaterHole Greenspace Conservancy

Citizens group dedicated to stewardship of Houston's Willow Waterhole. Focus on environmental education, park use promotion and conservation efforts.
Revenue
$5.3m
Assets
$6.9m
Employees
0
EIN
76-0685448
IRS type
501(c)(3)

The Woods Project

The Woods Project creates outdoor education programs for low-income high schoolers in Houston to develop life and leadership skills.
Revenue
$1.2m
Assets
$904.6k
Employees
6
EIN
26-2959996
IRS type
501(c)(3)

The Building Conservation Trust

BCT provides funding for grassroots-driven marine habitat projects that restore degraded habitats, create new habitats, and advance coastal restoration science.
Revenue
$1.0m
Assets
$4.8m
Employees
0
EIN
46-2191456
IRS type
501(c)(3)

BCarbon

BCarbon provides nature-based carbon registry services and certification for sustainable climate conservation, with a focus on coastal wetlands.
Revenue
$1.3m
Assets
$829.0k
Employees
2
EIN
85-4254549
IRS type
501(c)(3)

Bayou Preservation Association (BPA)

To protect and restore the richness and diversity of our waterways through activism, advocacy, collaboration and education.
Revenue
$765.3k
Assets
$984.1k
Employees
4
EIN
74-6075031
IRS type
501(c)(3)
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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.
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