BY INDUSTRY (NAICS) · 2026

Federal contracts by industry

The 100 industries (six-digit NAICS codes) with the most federal contract dollars in fiscal year 2026 (Oct 1, 2025 to Sep 30, 2026). How to find your NAICS codes → Contract obligations in fiscal year 2026 (Oct 1, 2025 to Sep 30, 2026), from USAspending.gov. Contract award types A to D (BPA calls, purchase orders, delivery orders and definitive contracts). Obligations can be negative when an agency takes money back. Data saved from USAspending.gov on Oct 23, 2026.

#	NAICS	Industry	Contract obligations
1	236220	Commercial and Institutional Building Construction	$53,359,963,791
2	524114	Direct Health and Medical Insurance Carriers	$48,561,809,465
3	336411	Aircraft Manufacturing	$48,335,335,298
4	541330	Engineering Services	$44,854,436,175
5	541715	Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$43,731,172,619
6	336414	Guided Missile and Space Vehicle Manufacturing	$39,114,650,277
7	561210	Facilities Support Services	$37,621,743,346
8	336611	Ship Building and Repairing	$34,555,246,870
9	541512	Computer Systems Design Services	$31,245,287,978
10	541519	Other Computer Related Services	$24,385,537,706
11	336413	Other Aircraft Parts and Auxiliary Equipment Manufacturing	$17,543,596,758
12	334511	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing	$16,753,411,497
13	325412	Pharmaceutical Preparation Manufacturing	$14,523,075,097
14	541990	All Other Professional, Scientific, and Technical Services	$11,714,322,318
15	541511	Custom Computer Programming Services	$11,622,647,103
16	237990	Other Heavy and Civil Engineering Construction	$11,585,935,885
17	541611	Administrative Management and General Management Consulting Services	$9,835,402,417
18	336412	Aircraft Engine and Engine Parts Manufacturing	$9,647,648,983
19	324110	Petroleum Refineries	$9,335,622,819
20	541710	Research and Development in the Physical, Engineering, and Life Sciences	$9,053,670,655
21	621111	Offices of Physicians (except Mental Health Specialists)	$8,338,389,832
22	488190	Other Support Activities for Air Transportation	$7,444,323,943
23	561612	Security Guards and Patrol Services	$7,390,985,651
24	541712	Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$6,754,984,854
25	511210	Software Publishers	$6,079,752,535
26	562910	Remediation Services	$5,439,498,193
27	332993	Ammunition (except Small Arms) Manufacturing	$4,980,016,129
28	336992	Military Armored Vehicle, Tank, and Tank Component Manufacturing	$4,908,486,502
29	541614	Process, Physical Distribution, and Logistics Consulting Services	$4,581,045,931
30	325411	Medicinal and Botanical Manufacturing	$4,456,053,574
31	481212	Nonscheduled Chartered Freight Air Transportation	$4,452,240,254
32	423850	Service Establishment Equipment and Supplies Merchant Wholesalers	$4,383,662,864
33	518210	Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services	$4,094,353,424
34	334220	Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing	$3,201,784,296
35	325180	Other Basic Inorganic Chemical Manufacturing	$3,058,592,051
36	483111	Deep Sea Freight Transportation	$3,036,930,010
37	541513	Computer Facilities Management Services	$2,999,395,877
38	339999	All Other Miscellaneous Manufacturing	$2,984,720,863
39	423450	Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers	$2,685,053,785
40	336111	Automobile Manufacturing	$2,584,229,602
41	481211	Nonscheduled Chartered Passenger Air Transportation	$2,431,677,431
42	334111	Electronic Computer Manufacturing	$2,401,855,109
43	424210	Drugs and Druggists' Sundries Merchant Wholesalers	$2,355,538,319
44	334290	Other Communications Equipment Manufacturing	$2,344,530,176
45	237310	Highway, Street, and Bridge Construction	$2,303,697,881
46	513210	Software Publishers	$2,231,544,326
47	332410	Power Boiler and Heat Exchanger Manufacturing	$2,200,676,777
48	336419	Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing	$2,109,286,506
49	541714	Research and Development in Biotechnology (except Nanobiotechnology)	$2,101,717,512
50	541690	Other Scientific and Technical Consulting Services	$1,934,338,273
51	517110	Wired Telecommunications Carriers	$1,804,868,971
52	811210	Electronic and Precision Equipment Repair and Maintenance	$1,798,140,405
53	561720	Janitorial Services	$1,622,624,962
54	237110	Water and Sewer Line and Related Structures Construction	$1,581,920,332
55	331410	Nonferrous Metal (except Aluminum) Smelting and Refining	$1,534,126,744
56	311999	All Other Miscellaneous Food Manufacturing	$1,492,832,793
57	334210	Telephone Apparatus Manufacturing	$1,486,798,159
58	622110	General Medical and Surgical Hospitals	$1,448,915,630
59	611519	Other Technical and Trade Schools	$1,359,205,867
60	517410	Satellite Telecommunications	$1,343,518,348
61	541711	Research and Development in Biotechnology	$1,318,237,623
62	332994	Small Arms, Ordnance, and Ordnance Accessories Manufacturing	$1,310,072,292
63	334412	Bare Printed Circuit Board Manufacturing	$1,307,387,840
64	115310	Support Activities for Forestry	$1,290,766,321
65	722310	Food Service Contractors	$1,240,801,455
66	562211	Hazardous Waste Treatment and Disposal	$1,236,773,612
67	522390	Other Activities Related to Credit Intermediation	$1,198,225,960
68	561599	All Other Travel Arrangement and Reservation Services	$1,197,538,652
69	336415	Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing	$1,193,056,280
70		Unknown	$1,190,437,930
71	524292	Pharmacy Benefit Management and Other Third Party Administration of Insurance and Pension Funds	$1,175,180,137
72	517310	Telecommunications Resellers	$1,171,985,532
73	334517	Irradiation Apparatus Manufacturing	$1,151,312,485
74	331491	Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding	$1,133,060,908
75	561990	All Other Support Services	$1,123,176,713
76	339112	Surgical and Medical Instrument Manufacturing	$1,105,162,877
77	541810	Advertising Agencies	$1,091,152,948
78	541620	Environmental Consulting Services	$1,074,669,383
79	611512	Flight Training	$1,030,657,727
80	238220	Plumbing, Heating, and Air-Conditioning Contractors	$1,022,704,508
81	221122	Electric Power Distribution	$1,015,732,678
82	333310	Commercial and Service Industry Machinery Manufacturing	$1,015,070,668
83	334419	Other Electronic Component Manufacturing	$1,010,342,304
84	339113	Surgical Appliance and Supplies Manufacturing	$1,006,959,462
85	541211	Offices of Certified Public Accountants	$964,500,034
86	311991	Perishable Prepared Food Manufacturing	$934,707,387
87	236210	Industrial Building Construction	$922,733,274
88	561611	Investigation and Personal Background Check Services	$918,456,137
89	334516	Analytical Laboratory Instrument Manufacturing	$894,074,490
90	311421	Fruit and Vegetable Canning	$885,686,464
91	561320	Temporary Help Services	$852,537,885
92	336212	Truck Trailer Manufacturing	$807,223,494
93	237130	Power and Communication Line and Related Structures Construction	$802,955,791
94	333120	Construction Machinery Manufacturing	$792,276,708
95	541720	Research and Development in the Social Sciences and Humanities	$785,360,875
96	561422	Telemarketing Bureaus and Other Contact Centers	$770,078,581
97	541612	Human Resources Consulting Services	$755,872,530
98	493190	Other Warehousing and Storage	$743,465,483
99	611310	Colleges, Universities, and Professional Schools	$733,143,969
100	624190	Other Individual and Family Services	$726,140,312