Top NAICS Codes for Department of Homeland Security FY2026

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

Quick answer

NAICS 561612, SECURITY GUARDS AND PATROL SERVICES, leads Department of Homeland Security in FY2026 with $32,081,419 in ingested obligations.

Market Snapshot

Ranked contractors36

Top obligations$32,081,419

Rank	NAICS	NAICS industry	Obligations	Awards
1	561612	SECURITY GUARDS AND PATROL SERVICES	$32,081,419	7
2	524292	PHARMACY BENEFIT MANAGEMENT AND OTHER THIRD PARTY ADMINISTRATION OF INSURANCE AND PENSION FUNDS	$28,425,290	1
3	336611	SHIP BUILDING AND REPAIRING	$10,602,989	11
4	336411	AIRCRAFT MANUFACTURING	$8,653,796	1
5	311991	PERISHABLE PREPARED FOOD MANUFACTURING	$2,244,687	2
6	541330	ENGINEERING SERVICES	$2,111,100	2
7	541512	COMPUTER SYSTEMS DESIGN SERVICES	$2,067,115	2
8	236220	COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION	$1,648,781	3
9	541519	OTHER COMPUTER RELATED SERVICES	$1,530,561	9
10	333415	AIR-CONDITIONING AND WARM AIR HEATING EQUIPMENT AND COMMERCIAL AND INDUSTRIAL REFRIGERATION EQUIPMENT MANUFACTURING	$848,456	1
11	811121	AUTOMOTIVE BODY, PAINT, AND INTERIOR REPAIR AND MAINTENANCE	$756,138	2
12	541511	CUSTOM COMPUTER PROGRAMMING SERVICES	$736,077	2
13	721110	HOTELS (EXCEPT CASINO HOTELS) AND MOTELS	$501,184	4
14	488190	OTHER SUPPORT ACTIVITIES FOR AIR TRANSPORTATION	$494,517	4
15	541611	ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES	$482,171	2
16	334220	RADIO AND TELEVISION BROADCASTING AND WIRELESS COMMUNICATIONS EQUIPMENT MANUFACTURING	$330,358	1
17	336413	OTHER AIRCRAFT PARTS AND AUXILIARY EQUIPMENT MANUFACTURING	$302,723	8
18	561990	ALL OTHER SUPPORT SERVICES	$208,014	2
19	334511	SEARCH, DETECTION, NAVIGATION, GUIDANCE, AERONAUTICAL, AND NAUTICAL SYSTEM AND INSTRUMENT MANUFACTURING	$90,558	1
20	339999	ALL OTHER MISCELLANEOUS MANUFACTURING	$79,455	1
21	517810	ALL OTHER TELECOMMUNICATIONS	$76,373	1
22	336612	BOAT BUILDING	$64,131	1
23	532490	OTHER COMMERCIAL AND INDUSTRIAL MACHINERY AND EQUIPMENT RENTAL AND LEASING	$43,171	1
24	333613	MECHANICAL POWER TRANSMISSION EQUIPMENT MANUFACTURING	$42,590	2
25	332991	BALL AND ROLLER BEARING MANUFACTURING	$39,620	1
26	488310	PORT AND HARBOR OPERATIONS	$35,000	1
27	238220	PLUMBING, HEATING, AND AIR-CONDITIONING CONTRACTORS	$30,000	1
28	611430	PROFESSIONAL AND MANAGEMENT DEVELOPMENT TRAINING	$17,750	2
29	332919	OTHER METAL VALVE AND PIPE FITTING MANUFACTURING	$15,000	1
30	238320	PAINTING AND WALL COVERING CONTRACTORS	$14,500	1
31	562111	SOLID WASTE COLLECTION	$14,345	2
32	561210	FACILITIES SUPPORT SERVICES	$13,997	1
33	811210	ELECTRONIC AND PRECISION EQUIPMENT REPAIR AND MAINTENANCE	$6,732	1
34	492110	COURIERS AND EXPRESS DELIVERY SERVICES	$5,700	1
35	562119	OTHER WASTE COLLECTION	$4,050	1
36	517410	SATELLITE TELECOMMUNICATIONS	$1,871	1

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