Top NAICS Codes for Department of Transportation FY2026

Industries ranked by federal contract obligations awarded by Department of Transportation during fiscal year 2026.

Quick answer

NAICS 483111, DEEP SEA FREIGHT TRANSPORTATION, leads Department of Transportation in FY2026 with $18,751,116 in ingested obligations.

Market Snapshot

Ranked contractors21
Top obligations$18,751,116
RankNAICSNAICS industryObligationsAwards
1483111DEEP SEA FREIGHT TRANSPORTATION$18,751,11610
2541990ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES$15,965,3821
3334419OTHER ELECTRONIC COMPONENT MANUFACTURING$14,963,5012
4541330ENGINEERING SERVICES$13,220,92510
5237130POWER AND COMMUNICATION LINE AND RELATED STRUCTURES CONSTRUCTION$11,187,5131
6236220COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION$9,746,4313
7561210FACILITIES SUPPORT SERVICES$5,698,4241
8561720JANITORIAL SERVICES$3,764,7712
9561499ALL OTHER BUSINESS SUPPORT SERVICES$1,152,8831
10541611ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES$987,7051
11523110INVESTMENT BANKING AND SECURITIES DEALING$983,8701
12238210ELECTRICAL CONTRACTORS AND OTHER WIRING INSTALLATION CONTRACTORS$738,8931
13541715RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT NANOTECHNOLOGY AND BIOTECHNOLOGY)$700,0001
14334111ELECTRONIC COMPUTER MANUFACTURING$519,7896
15334511SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL, AND NAUTICAL SYSTEM AND INSTRUMENT MANUFACTURING$249,1571
16238130FRAMING CONTRACTORS$133,4251
17811310COMMERCIAL AND INDUSTRIAL MACHINERY AND EQUIPMENT (EXCEPT AUTOMOTIVE AND ELECTRONIC) REPAIR AND MAINTENANCE$79,4641
18541512COMPUTER SYSTEMS DESIGN SERVICES$77,6322
19561730LANDSCAPING SERVICES$77,3962
20238160ROOFING CONTRACTORS$65,3441
21423610ELECTRICAL APPARATUS AND EQUIPMENT, WIRING SUPPLIES, AND RELATED EQUIPMENT MERCHANT WHOLESALERS$41,4251

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