Top NAICS Codes for Department of Energy FY2025

Industries ranked by federal contract obligations awarded by Department of Energy during fiscal year 2025.

Quick answer

NAICS 562211, HAZARDOUS WASTE TREATMENT AND DISPOSAL, leads Department of Energy in FY2025 with $1,390,702,409 in ingested obligations.

Market Snapshot

Ranked contractors19
Top obligations$1,390,702,409
RankNAICSNAICS industryObligationsAwards
1562211HAZARDOUS WASTE TREATMENT AND DISPOSAL$1,390,702,4091
2541330ENGINEERING SERVICES$132,569,0553
3562910REMEDIATION SERVICES$80,568,48311
4541715RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT NANOTECHNOLOGY AND BIOTECHNOLOGY)$46,489,0722
5561210FACILITIES SUPPORT SERVICES$44,797,8605
6541512COMPUTER SYSTEMS DESIGN SERVICES$9,153,8172
7236220COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION$3,591,3703
8541620ENVIRONMENTAL CONSULTING SERVICES$3,226,9081
9621999ALL OTHER MISCELLANEOUS AMBULATORY HEALTH CARE SERVICES$1,710,5551
10541211OFFICES OF CERTIFIED PUBLIC ACCOUNTANTS$1,435,5301
11541990ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES$1,169,9653
12541611ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES$1,091,8652
13541370SURVEYING AND MAPPING (EXCEPT GEOPHYSICAL) SERVICES$359,3371
14541519OTHER COMPUTER RELATED SERVICES$332,2812
15333244PRINTING MACHINERY AND EQUIPMENT MANUFACTURING$225,9061
16541511CUSTOM COMPUTER PROGRAMMING SERVICES$205,4701
17335932NONCURRENT-CARRYING WIRING DEVICE MANUFACTURING$79,2001
18517121TELECOMMUNICATIONS RESELLERS$78,4601
19492110COURIERS AND EXPRESS DELIVERY SERVICES$33,1312

Source: USAspending.gov. Last updated from ingested federal spending data: May 7, 2026.