Top NAICS Codes in Kentucky FY2021

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

Quick answer

NAICS 562211, HAZARDOUS WASTE TREATMENT AND DISPOSAL, leads Kentucky in FY2021 with $4,980,576,179 in ingested obligations.

Market Snapshot

Ranked contractors19

Top obligations$4,980,576,179

Rank	NAICS	NAICS industry	Obligations	Awards
1	562211	HAZARDOUS WASTE TREATMENT AND DISPOSAL	$4,980,576,179	1
2	221310	WATER SUPPLY AND IRRIGATION SYSTEMS	$91,613,267	1
3	541519	OTHER COMPUTER RELATED SERVICES	$53,499,791	3
4	611519	OTHER TECHNICAL AND TRADE SCHOOLS	$48,761,567	1
5	332994	SMALL ARMS, ORDNANCE, AND ORDNANCE ACCESSORIES MANUFACTURING	$14,242,425	1
6	492110	COURIERS AND EXPRESS DELIVERY SERVICES	$5,855,329	3
7	541620	ENVIRONMENTAL CONSULTING SERVICES	$5,682,895	1
8	561499	ALL OTHER BUSINESS SUPPORT SERVICES	$875,189	1
9	561990	ALL OTHER SUPPORT SERVICES	$328,741	1
10	561210	FACILITIES SUPPORT SERVICES	$259,935	1
11	333315	PHOTOGRAPHIC AND PHOTOCOPYING EQUIPMENT MANUFACTURING	$127,800	1
12	337215	SHOWCASE, PARTITION, SHELVING, AND LOCKER MANUFACTURING	$103,831	1
13	541511	CUSTOM COMPUTER PROGRAMMING SERVICES	$55,998	1
14	561450	CREDIT BUREAUS	$26,512	1
15	315280	OTHER CUT AND SEW APPAREL MANUFACTURING	$9,215	4
16	562111	SOLID WASTE COLLECTION	$6,000	1
17	541990	ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES	$5,046	1
18	541611	ADMINISTRATIVE MANAGEMENT AND GENERAL MANAGEMENT CONSULTING SERVICES	$3,805	1
19	541330	ENGINEERING SERVICES	$500	1

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