Top 10 NAICS By Obligations - FY25 and FY24

U.S DEPARTMENT OF TRANSPORTATION

Top 10 NAICS Codes

FY25

NAICS Codes and Description

Total Contract Dollars

SB %

541330 (ENGINEERING SERVICES)

 $1,726,796,370

28

517310 (TELECOMMUNICATIONS RESELLERS)

$913,185,980

0

237310 (HIGHWAY, STREET, AND BRIDGE CONSTRUCTION)

$678,081,058

74

541519 (OTHER COMPUTER RELATED SERVICES)

$408,441,620

70

236220 (COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION)

$388,843,679

27

541512 (COMPUTER SYSTEMS DESIGN SERVICES)

$382,007,243

25

541611 (ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES)

$361,580,471

65

541990 (ALL OTHER PROFESSIONAL, SCIENTIFIC, TECHNICAL SERVICES)

$350,580,392

36

334511 (SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL, AND NAUTICAL SYSTEM AND INSTRUMENT)

$327,057,176

8

488111 (AIR TRAFFIC CONTROL)

$284,881,153

5

Total Contract Dollars

$4,094,658,772

24%

Source: Sam.gov – Standard Reports – Funding Agency

U.S DEPARTMENT OF TRANSPORTATION

Top 10 NAICS Codes

FY24

NAICS Codes and Description

Total Obligations

SB %

541330 (ENGINEERING SERVICES)

$1,759,070,541

27

237310 (HIGHWAY, STREET, AND BRIDGE CONSTRUCTION)

$725,383,848

55

517310 (TELECOMMUNICATIONS RESELLERS)

$457,981,197

0

541611 (ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES)

$442,849,024

64

541512 (COMPUTER SYSTEMS DESIGN SERVICES)

$428,354,559

25

541519 (OTHER COMPUTER RELATED SERVICES)

$400,039,106

70

541990 9ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES)

$363,328,617

31

336611 (SHIP BUILDING AND REPAIRING)

$358,787,129

0.3

518210 (COMPUTING INFRASTRUCTURE PROVIDERS, DATA PROCESSING, WEB HOSTING, AND RELATED SERVICES)

$295,120,678

3

488111 (AIR TRAFFIC CONTROL)

$290,846,564

0

Total Contract Dollars

$5,521,761,263

31

Source: Sam.gov – Standard Reports – Funding Agency