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Top Firms Specializing in Environmental, Sustainability & Greentech PR

The firms below have broken out their net fees for accounts classified as environmental, sustainability and greentech PR.

Top PR Firms - See 2025 Rankings

Top Public Relations Firms by Location
Atlanta | Chicago | Conn. | Boston | Florida | Hawaii | Los Angeles | Miami | Midwest | New York & New Jersey | Penn. | San Francisco | Southeast | Texas | Wash., DC | West

Top Public Relations Firms by Speciality
Adult Beverages/Spirits | Agriculture | Auto./Transportation | Beauty/Fashion | Crisis Communications | Education | Energy | Entertainment | Environmental | Financial | Food & Bev | Healthcare | Home Furnishings | Industrial | Non-Profits | Professional Svcs. | Public Affairs | Purpose/CSR | Real Estate Finance & Dev. | Restaurants | Sports | Technology | Travel & Economic Dev.

PR Firm Rankings by Year
2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014


#
FT Emp.
1.
Edelman
New York, NY
5,964
$8,649,000
2.
APCO
Washington, DC
1,228
$4,000,000
3.
LaunchSquad
San Francisco, CA
108
$2,750,000
4.
Kiterocket
Phoenix, AZ
31
$2,320,717
5.
36
$2,243,175
6.
Inkhouse
Waltham, MA
132
$1,933,680
7.
Gregory
Ardmore, PA
124
$1,058,700
8.
28
$933,819
9.
Landis Communications
San Francisco, CA
6
$822,000
10.
143
$812,620
11.
27
$630,533
12.
Lee Andrews Group
Los Angeles, CA
31
$558,795
13.
Coyne PR
Parsippany, NJ
145
$374,000
14.
Trevelino/Keller
Atlanta, GA
41
$360,000
15.
15
$319,714
16.
Inspire PR Group
Westerville, OH
19
$308,912
17.
Escalate PR
Acton, MA
8
$251,187
18.
11
$224,484
19.
360PR+
Boston, MA
60
$216,000
20.
Otter PR
St. Petersburg, FL
33
$200,000
21.
Zeno Group
New York, NY
774
$163,385
22.
6
$116,160
23.
15
$91,628
25.
Ehrhardt Group, The
New Orleans, LA
21
$30,000
26.
11
$21,427
27.
7
$6,039


O'Dwyer's ranking of top environmental PR firms and firms specializing in greentech PR shows the growth in these sectors. Since 1968, we have detailed the explosion of PR services and its prominence as a legitimate industry. It should be noted that O'Dwyer's rankings measure counseling and media contact services, not advertising or production expenses. Submit your PR firm to be ranked in 2026.