Agency + PSC NAICS rankings

Top NAICS paths for PSC Y199 under Department of Homeland Security.

Use this ranking when the research starts with Department of Homeland Security and PSC Y199, and you want the strongest industry-code pages inside that exact buyer + service slice.

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Agency + service NAICS rankings

Top NAICS paths inside Department of Homeland Security + PSC Y199

Use these rankings when the buyer-specific PSC page is still too broad and you want the most relevant NAICS pivots inside the same slice.

1

NAICS 561210

4 visible recipients · Facilities Support Services

$28,156,273,704
2

NAICS 236220

16 visible recipients · Commercial and Institutional Building Construction

$19,019,404,510
3

NAICS 562910

2 visible recipients · Remediation Services

$1,059,567,248
4

NAICS 811310

1 visible recipients · Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

$888,060,981
5

NAICS 237990

8 visible recipients · Other Heavy and Civil Engineering Construction

$743,176,137
6

NAICS 237120

2 visible recipients · Oil and Gas Pipeline and Related Structures Construction

$561,145,179
7

NAICS 236210

4 visible recipients · Industrial Building Construction

$462,415,871
8

NAICS 237310

6 visible recipients · Highway, Street, and Bridge Construction

$409,829,300
9

NAICS 237130

4 visible recipients · Power and Communication Line and Related Structures Construction

$376,702,327
10

NAICS 561110

1 visible recipients · Office Administrative Services

$254,499,325
11

NAICS 541330

1 visible recipients · Engineering Services

$226,190,146
12

NAICS 238910

2 visible recipients · Site Preparation Contractors

$173,804,710
13

NAICS 541620

1 visible recipients · Environmental Consulting Services

$165,926,652
14

NAICS 541611

2 visible recipients · Administrative Management and General Management Consulting Services

$105,864,105
15

NAICS 541513

1 visible recipients · Computer Facilities Management Services

$72,314,241
16

NAICS 238220

3 visible recipients · Plumbing, Heating, and Air-Conditioning Contractors

$63,564,112
17

NAICS 561612

2 visible recipients · Security Guards and Patrol Services

$59,248,815
18

NAICS 238290

1 visible recipients · Other Building Equipment Contractors

$33,311,214
19

NAICS 236116

1 visible recipients · New Multifamily Housing Construction (except For-Sale Builders)

$32,980,899
20

NAICS 561621

1 visible recipients · Security Systems Services (except Locksmiths)

$26,014,603
21

NAICS 238140

1 visible recipients · Masonry Contractors

$17,314,591
22

NAICS 236115

2 visible recipients · New Single-Family Housing Construction (except For-Sale Builders)

$10,365,490
23

NAICS 238160

1 visible recipients · Roofing Contractors

$10,090,035
24

NAICS 238990

2 visible recipients · All Other Specialty Trade Contractors

$9,673,248
25

NAICS 237110

1 visible recipients · Water and Sewer Line and Related Structures Construction

$5,609,075
26

NAICS 321991

1 visible recipients · Manufactured Home (Mobile Home) Manufacturing

$4,802,172
27

NAICS 541310

1 visible recipients · Architectural Services

$250,000
28

NAICS 238210

1 visible recipients · Electrical Contractors and Other Wiring Installation Contractors

$228,515
29

NAICS 238110

1 visible recipients · Poured Concrete Foundation and Structure Contractors

$140,102

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