Environment (C11) Nonprofits

NTEE Code C11 — Browse environment (c11) nonprofits with AI-powered transparency reports, revenue analysis, and executive compensation data from IRS 990 filings.

Category Overview

50Organizations
$53.3MTotal Revenue
$0Total Assets
$1.1MAvg Revenue
15States

Top Environment (C11) Organizations by Revenue

# Organization State Revenue
1 Dallas Arboretum Foundation TX $9.9M
2 Save Oswit Canyon Inc CA $8.9M
3 Uec Supporting Organization Inc WI $5.6M
4 Walnut Creek Preserve Inc NC $4.6M
5 African Community And Conservation Foundation Inc FL $4.2M
6 May Arboretum Society NV $2.7M
7 Patch Of Heaven Sanctuary Inc FL $2.1M
8 Wildlife Conservation International TX $1.9M
9 Diamond Bar Conservation TX $1.6M
10 Katmai Conservancy AK $1.4M
11 Yakima Arboretum Foundation WA $1.3M
12 Friends Of Lakewood WA $1.2M
13 Stanley & Marty Arkwright Conservation Trust 2013 MO $1.1M
14 Sustaining Our Urban Landscape Soul LA $1.0M
15 Colores United NM $995K
16 Tom Evans Foundation ID $642K
17 Building Material Thrift Store ID $483K
18 Susan Elaine Foundation Inc CT $362K
19 Japanese Garden Foundation Of Oregon OR $360K
20 Skyriver Foundation WA $307K

Geographic Distribution

State Organizations Combined Revenue Share
Oregon 4 $879K 1.6%
Washington 3 $2.7M 5.1%
Texas 3 $13.5M 25.2%
Connecticut 3 $543K 1.0%
New Mexico 3 $995K 1.9%
Idaho 3 $1.4M 2.6%
Kansas 2 $13K 0.0%
West Virginia 2 $0 0.0%
Nevada 2 $2.8M 5.3%
Delaware 2 $500 0.0%
Louisiana 2 $1.2M 2.3%
Arizona 2 $250K 0.5%
Maine 2 $222K 0.4%
Hawaii 2 $125K 0.2%
Florida 2 $6.3M 11.9%

All Environment (C11) Organizations (50)

Frequently Asked Questions

What is NTEE code C11?

NTEE code C11 classifies nonprofits in the environment category. The National Taxonomy of Exempt Entities (NTEE) is a classification system used by the IRS and researchers to categorize tax-exempt organizations by their primary purpose and activities. This falls under the broader Environment sector.

How many environment (c11) nonprofits are there?

There are 50 environment (c11) nonprofits tracked on NonprofitSpending, with a combined revenue of $53.3M and total assets of $0. Organizations are spread across 15+ states, with Oregon having the most (4).

Which is the largest environment (c11) nonprofit?

Dallas Arboretum Foundation is the largest environment (c11) nonprofit by revenue, with $9.9M in annual revenue. It is based in Texas.

What is the average revenue for environment (c11) nonprofits?

The average revenue among 50 tracked environment (c11) nonprofits is $1.1M. Revenue data comes from IRS 990 electronic filings.

Where does the data for environment (c11) nonprofits come from?

All nonprofit data is sourced from IRS 990 electronic filings via the ProPublica Nonprofit Explorer API. Organizations are required to file annual returns (Form 990) with the IRS, which are public records. NonprofitSpending enriches this data with AI-generated transparency analysis.

How are NTEE categories assigned?

NTEE (National Taxonomy of Exempt Entities) codes are assigned by the IRS based on an organization's primary tax-exempt purpose. The system uses letter codes for broad categories (A = Arts, B = Education, etc.) and numeric subcodes for specific activities. Organizations may request reclassification if their primary purpose changes.

About NTEE Code C11: Environment

The National Taxonomy of Exempt Entities (NTEE) is a classification system developed by the National Center for Charitable Statistics. It categorizes tax-exempt organizations recognized by the IRS into groups based on their primary exempt purpose.

NTEE code C11 covers organizations focused on environment. This category falls within the broader Environment sector, which includes environmental conservation, pollution control, and wildlife organizations.

Data for these organizations comes from IRS Form 990, which tax-exempt organizations must file annually. Form 990 includes information about revenue, expenses, assets, executive compensation, program activities, and governance.

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