Federal Scope 3 Emissions

Federal Scope 3 GHG Emissions Inventory

The Federal government is leading by example by publishing its Scope 3 greenhouse gas (GHG) emissions inventory, committing to a target of 30% reduction by 2030, and highlighting supplier progress on key greenhouse gas emissions and climate risk management activities.

Fiscal Year 2023 Emissions by Source

A donut chart showing illustrating the percentage of Scope 3 emissions based on the source.
  Source FY 2023 Emissions1 Percent of Total Scope 3
1 Supply Chain 120,900,831 89.2%
2 Fuel and Energy Related 7,891,822 5.8%
3 Employee Commuting 2,442,088 1.8%
4 Upstream Leased Assets 2,205,941 1.6%
5 Business Travel 1,779,753 1.3%
6 Waste Disposal 357,536 0.3%
1Metric tons of carbon dioxide equivalent (MTCO2e)

Visit the Federal Scope 3 emissions data dashboard for more details.

 

Breaking Down Scope 3 Emissions by Source

Supply Chain
120,900,831 MTCO2e
Categories 1, 2, 4

icon

Emissions resulting from federal expenditures (contract dollars obligated) for all goods and services not included in other Scope 3 categories.

Fuel and Energy Related
7,891,822 MTCO2e
Category 3

icon

Emissions from the production, transmission, and delivery of fuels and energy used for federal buildings and vehicles.

Employee Commuting
2,442,088 MTCO2e
Category 7

icon

Emissions from employees’ daily commuting between home and work using personal vehicles and public transportation.

Upstream Leased Assets
2,205,941 MTCO2e
Category 8

icon

Emissions from fuel and electricity used to power leased assets, including leased offices, warehouses, and other buildings.

Business Travel
1,779,753 MTCO2e
Category 6

icon

Emissions from business-related travel, in commercial or personal vehicles, by ground (e.g., car, bus, train) and air.

Waste Disposal
357,536 MTCO2e
Category 5

icon

Emissions produced in the hauling and breakdown of solid waste and processing of wastewater from Federal facilities.

Federal Supplier Climate Scorecard

The scorecard tracks actions the top 200 suppliers have taken across four sustainability metrics:

Metrics

Public GHG Inventory
68%
Climate Risk Disclosure
59%
Science-Based Target
31%
Climate Transition Plan
30%

 

  Supplier FY 2023 Federal Spending ($ Million) GHG Inventory Climate Risk Science-Based Target Climate Transition Plan 
1 Lockheed Martin $71,681 Yes Yes No Yes
2 RTX Corporation $30,869 Yes Yes No No
3 General Dynamics $27,043 Yes Yes No No
4 Boeing $24,820 Yes Yes No No
5 UnitedHealth Group $17,043 Yes Yes No No
6 Northrop Grumman $16,878 Yes Yes No No
7 Huntington Ingalls $11,569 Yes Yes No No
8 Leidos $10,581 Yes Yes No No
9 L3Harris $9,944 Yes Yes No No
10 McKesson $9,735 Yes Yes Yes Yes
11 Booz Allen Hamilton $8,055 Yes Yes Yes Yes
12 BAE Systems $8,009 Yes Yes No Yes
13 Triwest Alliance Healthcare $7,985 No No No No
14 Humana $7,780 Yes Yes Yes No
15 Honeywell $7,778 Yes Yes Yes Yes
16 Amentum $7,336 Yes Yes No No
17 Fluor $6,803 Yes Yes No Yes
18 SAIC $6,556 Yes Yes No No
19 CACI $4,518 Yes Yes No No
20 AmerisourceBergen $4,379 Yes Yes Yes Yes
21 General Electric $4,241 Yes Yes No No
22 Jacobs $4,023 Yes Yes Yes Yes
23 Centene $4,004 Yes Yes No No
24 KBRWyle $3,920 Yes Yes No Yes
25 Peraton $3,916 Yes No Yes No
26 Deloitte Consulting $3,654 Yes Yes Yes Yes
27 Pfizer $3,180 Yes Yes Yes Yes
28 SpaceX $3,109 No No No No
29 Accenture $3,063 Yes Yes Yes Yes
30 Dell Technologies $3,017 Yes Yes Yes No
31 Idemitsu Kosan Company $2,368 Yes Yes No Yes
32 General Atomics $2,278 No No No No
33 The MITRE Corporation $2,250 Yes Yes No Yes
34 Vectrus $2,195 Yes Yes No No
35 Parsons $2,143 Yes Yes No No
36 Maximus Inc. $2,141 Yes Yes No No
37 Merck & Co. Inc. $2,107 Yes Yes Yes No
38 Oshkosh Corporation $2,022 Yes Yes Yes Yes
39 AT&T $1,994 Yes Yes Yes Yes
40 Textron $1,983 Yes Yes No No
41 Leonardo $1,812 Yes Yes Yes Yes
42 StoneX Group $1,686 Yes No No No
43 ManTech $1,564 Yes No No No
44 FedEx Corporation $1,434 Yes Yes No No
45 B.L. Harbert $1,406 No No No No
46 Chemonics International $1,389 Yes Yes No No
47 Sierra Nevada Corporation $1,373 No No No No
48 Carahsoft $1,325 No No No No
49 Walsh Construction $1,269 No No No No
50 BP $1,253 Yes Yes No Yes
51 Weston Solutions $1,183 Yes No No No
52 Valero $1,166 Yes Yes No Yes
53 Serco Group $1,146 Yes Yes No Yes
54 Rolls-Royce $1,141 Yes Yes No Yes
55 Guidehouse $1,125 Yes Yes No Yes
56 AM General $1,112 No No No No
57 Crowley $1,098 Yes Yes No Yes
58 CGI $1,079 Yes Yes No Yes
59 The Day & Zimmermann Group $1,076 No No No No
60 IBM $1,053 Yes Yes No Yes
61 GEO Group $1,035 Yes No No No
62 Elevance Health $1,014 Yes Yes Yes No
63 Air Transport International $1,004 No No No No
64 Tetra Tech $973 Yes Yes Yes Yes
65 Constellis $961 No No No No
66 Deployed Resources LLC $898 No No No No
67 Verizon $887 Yes Yes Yes Yes
68 Oracle Corporation $877 Yes Yes No Yes
69 ACS Group $876 Yes Yes No No
70 GlaxoSmithKline $855 Yes Yes Yes Yes
71 Iron Bow Technologies $838 No Yes No No
72 M1 Support Services $824 No No No No
73 GovCIO $776 Yes Yes No No
74 Hensel Phelps $750 Yes Yes No No
75 Lumen Technologies $745 Yes Yes Yes No
76 CAE $717 Yes Yes Yes No
77 Securitas AB $698 Yes Yes Yes Yes
78 DDB Chicago Inc. $694 No No No No
79 ICF $682 Yes Yes Yes No
80 MBDA $680 Yes No No No
81 Brasfield & Gorrie $679 No No No No
82 Whiting-Turner $674 No No No No
83 Cigna $674 Yes Yes No No
84 Fincantieri S.P.A. $668 Yes Yes No No
85 Gilbane $660 No No No No
86 Applied Research Associates $656 Yes Yes No No
87 Cardinal Health $654 Yes Yes Yes No
88 DPR Construction $623 No No No No
89 Alberici Corporation $611 No No No No
90 Olin Corporation $601 Yes No No No
91 ASGN Incorporated $591 Yes Yes Yes No
92 Rapid Deployment $589 No No No No
93 Sanofi $580 Yes Yes Yes Yes
94 Tutor Perini $580 No No No No
95 Siemens $578 Yes Yes Yes Yes
96 Vitol $565 Yes Yes No Yes
97 IAP Worldwide Inc. $564 No No No No
98 Viasat $561 Yes Yes No No
99 Clark Construction $549 No No No No
100 US Foods Inc. $548 Yes Yes Yes No
101 TD Bank $546 Yes Yes No Yes
102 Interpublic Group $533 Yes Yes Yes Yes
103 Great Lakes Dredge & Dock $531 No No No No
104 S-Oil $530 Yes No No No
105 Ernst & Young $526 Yes Yes Yes Yes
106 Valiant Integrated Services $520 Yes No No No
107 SLSCO $519 No No No No
108 AAR Corp $498 Yes No No No
109 Vigor Industrial $497 No No No No
110 Microsoft $492 Yes No Yes No
111 DAI $489 Yes Yes Yes No
112 Ultra Electronics $483 Yes Yes No No
113 Phillips 66 $473 Yes Yes No No
114 Parker-Hannifin Corporation $459 Yes Yes No Yes
115 AEVEX Aerospace $458 No No No No
116 Emergent Biosolutions $457 Yes No No No
117 Michael Baker International $454 No No No No
118 KPMG $450 Yes Yes Yes No
119 Kiewit Corporation $450 Yes No No No
120 World Wide Technology $449 Yes Yes Yes Yes
121 381 Constructors $445 No No No No
122 Danaher Corporation $437 Yes Yes No No
123 Johnson Controls Inc. $437 Yes Yes Yes Yes
124 CoreCivic $437 Yes No No No
125 Teledyne Technologies $434 Yes Yes No No
126 Wieland-Werke AG $430 Yes Yes Yes Yes
127 Austal $428 Yes Yes Yes No
128 Aptim $427 Yes Yes Yes Yes
129 Airbus $425 Yes Yes Yes Yes
130 Blue Origin $425 No No No No
131 Smartronix $424 No No No No
132 Maersk $424 Yes Yes Yes Yes
133 American International Contractors, Inc. $420 No No No No
134 CDW Corp. $415 Yes Yes Yes No
135 StructSure Projects $408 No No No No
136 Palantir Technologies $399 Yes No No No
137 Nelnet Servicing $397 No No No No
138 Mythics Emergent Group $390 No No No No
139 Noblis $390 Yes Yes No No
140 Manson Construction Co. $377 No No No No
141 HP Inc. $376 Yes Yes Yes Yes
142 Abbott Laboratories $376 Yes Yes Yes No
143 Loyal Source $375 No No No No
144 Boston Consulting Group $361 Yes Yes Yes Yes
145 ICON plc $360 Yes Yes No No
146 Moderna $358 Yes Yes No No
147 Stellantis $356 Yes Yes No No
148 Balfour Beatty $352 Yes Yes Yes No
149 TransDigm Group $352 Yes Yes No No
150 Abt Associates $351 Yes Yes Yes Yes
151 Grunley Construction $350 No No No No
152 Nan, Inc. $347 No No No No
153 Mitsubishi Group $340 Yes Yes No Yes
154 Medline Industries $337 Yes No No No
155 Granite Construction $335 No Yes No No
156 Marathon Petroleum $334 Yes Yes No No
157 DCS Corporation $333 No No No No
158 Westat $332 No No No No
159 General Motors $330 Yes Yes Yes Yes
160 Scientific Research Corp. $328 No No No No
161 LMI $324 Yes No Yes No
162 MAG Aerospace $322 No No No No
163 AeroVironment $319 No No No No
164 Par Petroleum Corporation $317 Yes Yes No No
165 Cognosante $315 Yes No No No
166 LinQuest $307 No No No No
167 Ford Motor Company $307 Yes Yes Yes Yes
168 KG&P Strategies $303 No No No No
169 M.C. Dean, Inc. $303 No No No No
170 J & J Maintenance $295 No No No No
171 DLH Corporation $289 Yes No No No
172 Ball Corporation $288 Yes Yes Yes Yes
173 Saab $284 Yes Yes Yes Yes
174 Consigli $281 No No No No
175 Sauer Construction $281 No No No No
176 JLL Partners $275 Yes Yes Yes No
177 Walden Security $275 No No No No
178 Kratos Defense $271 No No No No
179 HDR Inc. $270 No No No No
180 RELX Group $269 Yes Yes Yes Yes
181 Kongsberg Gruppen $269 Yes Yes Yes Yes
182 Sonova USA $268 Yes Yes Yes Yes
183 Federal Contractors, Inc $264 No No No No
184 Omnicom Group $264 Yes Yes Yes Yes
185 Grainger $263 Yes Yes No No
186 Harlan Bakeries $260 No No No No
187 Management and Training Corporation $259 No No No No
188 NTT Data $259 Yes Yes Yes Yes
189 New York Embroidery Studio $257 No No No No
190 QinetiQ $256 Yes Yes Yes Yes
191 Nishimatsu Construction $255 Yes Yes Yes Yes
192 GuideWell $254 Yes No No No
193 Mathematica $252 No No No No
194 Harper Construction $251 No No No No
195 WPP plc $249 Yes Yes Yes Yes
196 Techflow $247 No No No No
197 Tyson Foods $244 Yes Yes Yes No
198 VSE Corporation $241 No No No No
199 CDM Smith $241 No No No No
200 Arrow Electronics $239 Yes Yes No No

All information is sourced from publicly accessible websites, including public disclosures. If you have questions about this scorecard, contact us.

Federal Supplier Climate Action Leaderboard

The top suppliers* below are leading by example on climate action by:

  • Publicly disclosing their GHG emissions
  • Publicly disclosing their climate-related financial risk
  • Setting public science-based emissions-reduction targets
  • Publishing a climate transition plan.

Abt Associates

Accenture

Airbus

AmerisourceBergen

Aptim

AT&T

Ball Corporation

Booz Allen Hamilton

Boston Consulting Group

Deloitte Consulting

Ernst & Young

Ford Motor Company

General Motors

GlaxoSmithKline

Honeywell

HP Inc.

Interpublic Group

Jacobs

Johnson Controls Inc.

Kongsberg Gruppen

Leonardo

Maersk

McKesson

Nishimatsu Construction

NTT Data

Omnicom Group

Oshkosh Corporation

Pfizer

QinetiQ

RELX Group

Saab

Sanofi

Securitas AB

Siemens

Sonova USA

Tetra Tech

Verizon

Wieland-Werke AG

World Wide Technology

WPP plc

* Top 200 suppliers by spend.


  • CEQ Logo
    Council on Environmental Quality730 Jackson Place N.W.
    Washington, D.C. 20503