Top NAICS Codes in Tennessee FY2021

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

Quick answer

NAICS 561210, FACILITIES SUPPORT SERVICES, leads Tennessee in FY2021 with $75,408,143,544 in ingested obligations.

Market Snapshot

Ranked contractors33

Top obligations$75,408,143,544

Rank	NAICS	NAICS industry	Obligations	Awards
1	561210	FACILITIES SUPPORT SERVICES	$75,408,143,544	3
2	541990	ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES	$3,038,947,721	2
3	561990	ALL OTHER SUPPORT SERVICES	$887,279,962	1
4	541715	RESEARCH AND DEVELOPMENT IN THE PHYSICAL, ENGINEERING, AND LIFE SCIENCES (EXCEPT NANOTECHNOLOGY AND BIOTECHNOLOGY)	$103,894,240	1
5	541330	ENGINEERING SERVICES	$83,389,181	5
6	611519	OTHER TECHNICAL AND TRADE SCHOOLS	$60,528,526	1
7	561612	SECURITY GUARDS AND PATROL SERVICES	$54,889,051	1
8	562910	REMEDIATION SERVICES	$6,743,070	1
9	541611	ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES	$5,855,249	1
10	517311	WIRED TELECOMMUNICATIONS CARRIERS	$4,751,354	1
11	541511	CUSTOM COMPUTER PROGRAMMING SERVICES	$2,394,602	2
12	541690	OTHER SCIENTIFIC AND TECHNICAL CONSULTING SERVICES	$2,113,145	1
13	611430	PROFESSIONAL AND MANAGEMENT DEVELOPMENT TRAINING	$1,915,840	2
14	811219	OTHER ELECTRONIC AND PRECISION EQUIPMENT REPAIR AND MAINTENANCE	$629,328	1
15	221121	ELECTRIC BULK POWER TRANSMISSION AND CONTROL	$574,931	1
16	339113	SURGICAL APPLIANCE AND SUPPLIES MANUFACTURING	$520,727	3
17	333411	AIR PURIFICATION EQUIPMENT MANUFACTURING	$367,663	1
18	561720	JANITORIAL SERVICES	$302,948	1
19	541519	OTHER COMPUTER RELATED SERVICES	$299,503	3
20	621999	ALL OTHER MISCELLANEOUS AMBULATORY HEALTH CARE SERVICES	$182,383	1
21	811213	COMMUNICATION EQUIPMENT REPAIR AND MAINTENANCE	$147,618	1
22	531320	OFFICES OF REAL ESTATE APPRAISERS	$89,500	1
23	561611	INVESTIGATION AND PERSONAL BACKGROUND CHECK SERVICES	$65,497	1
24	334119	OTHER COMPUTER PERIPHERAL EQUIPMENT MANUFACTURING	$59,877	1
25	333298	ALL OTHER INDUSTRIAL MACHINERY MANUFACTURING	$37,841	1
26	238220	PLUMBING, HEATING, AND AIR-CONDITIONING CONTRACTORS	$17,952	1
27	332994	SMALL ARMS, ORDNANCE, AND ORDNANCE ACCESSORIES MANUFACTURING	$13,500	1
28	561730	LANDSCAPING SERVICES	$11,450	3
29	541199	ALL OTHER LEGAL SERVICES	$11,167	1
30	325180	OTHER BASIC INORGANIC CHEMICAL MANUFACTURING	$6,000	1
31	562111	SOLID WASTE COLLECTION	$3,216	1
32	332999	ALL OTHER MISCELLANEOUS FABRICATED METAL PRODUCT MANUFACTURING	$3,147	1
33	561621	SECURITY SYSTEMS SERVICES (EXCEPT LOCKSMITHS)	$3,090	1

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