Top NAICS Codes in Montana FY2021

Industries ranked by place-of-performance federal contract obligations in Montana during fiscal year 2021.

Quick answer

NAICS 541330, ENGINEERING SERVICES, leads Montana in FY2021 with $6,187,748 in ingested obligations.

Market Snapshot

Ranked contractors26

Top obligations$6,187,748

Rank	NAICS	NAICS industry	Obligations	Awards
1	541330	ENGINEERING SERVICES	$6,187,748	4
2	561320	TEMPORARY HELP SERVICES	$4,356,286	8
3	541199	ALL OTHER LEGAL SERVICES	$3,957,657	2
4	922140	CORRECTIONAL INSTITUTIONS	$3,106,213	1
5	532490	OTHER COMMERCIAL AND INDUSTRIAL MACHINERY AND EQUIPMENT RENTAL AND LEASING	$2,748,320	1
6	541310	ARCHITECTURAL SERVICES	$2,162,766	1
7	221122	ELECTRIC POWER DISTRIBUTION	$839,535	1
8	621511	MEDICAL LABORATORIES	$596,268	1
9	541620	ENVIRONMENTAL CONSULTING SERVICES	$578,664	1
10	562910	REMEDIATION SERVICES	$501,463	1
11	541690	OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES	$421,118	1
12	621340	OFFICES OF PHYSICAL, OCCUPATIONAL AND SPEECH THERAPISTS, AND AUDIOLOGISTS	$309,600	1
13	541370	SURVEYING AND MAPPING (EXCEPT GEOPHYSICAL) SERVICES	$296,000	1
14	324110	PETROLEUM REFINERIES	$172,777	1
15	926130	REGULATION AND ADMINISTRATION OF COMMUNICATIONS, ELECTRIC, GAS, AND OTHER UTILITIES	$169,156	1
16	518210	DATA PROCESSING, HOSTING, AND RELATED SERVICES	$160,699	1
17	561621	SECURITY SYSTEMS SERVICES (EXCEPT LOCKSMITHS)	$132,769	2
18	238220	PLUMBING, HEATING, AND AIR-CONDITIONING CONTRACTORS	$120,204	1
19	517311	WIRED TELECOMMUNICATIONS CARRIERS	$89,270	1
20	561720	JANITORIAL SERVICES	$79,999	3
21	611310	COLLEGES, UNIVERSITIES, AND PROFESSIONAL SCHOOLS	$77,399	1
22	562111	SOLID WASTE COLLECTION	$30,425	1
23	541990	ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES	$23,320	2
24	541519	OTHER COMPUTER RELATED SERVICES	$18,430	1
25	541350	BUILDING INSPECTION SERVICES	$16,315	1
26	339991	GASKET, PACKING, AND SEALING DEVICE MANUFACTURING	$2,452	1

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