Agency + PSC NAICS rankings

Top NAICS paths for PSC AC12 under Department of Homeland Security.

Use this ranking when the research starts with Department of Homeland Security and PSC AC12, 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 AC12

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 541712

2 visible recipients · Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)

$2,947,209,157
2

NAICS 541330

3 visible recipients · Engineering Services

$1,901,744,869
3

NAICS 541715

4 visible recipients · Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

$980,952,081
4

NAICS 336411

2 visible recipients · Aircraft Manufacturing

$612,936,980
5

NAICS 488190

1 visible recipients · Other Support Activities for Air Transportation

$294,443,038
6

NAICS 561611

1 visible recipients · Investigation and Personal Background Check Services

$280,674,683
7

NAICS 541511

2 visible recipients · Custom Computer Programming Services

$222,789,053
8

NAICS 811219

1 visible recipients · Other Electronic and Precision Equipment Repair and Maintenance

$95,978,996
9

NAICS 541219

1 visible recipients · Other Accounting Services

$79,728,779
10

NAICS 541990

2 visible recipients · All Other Professional, Scientific, and Technical Services

$78,796,600
11

NAICS 541611

1 visible recipients · Administrative Management and General Management Consulting Services

$70,389,192
12

NAICS 519120

1 visible recipients · Libraries and Archives

$61,342,241
13

NAICS 541211

1 visible recipients · Offices of Certified Public Accountants

$45,915,086
14

NAICS 541710

1 visible recipients · Research and Development in the Physical, Engineering, and Life Sciences

$40,395,282
15

NAICS 488310

1 visible recipients · Port and Harbor Operations

$36,647,325
16

NAICS 561210

1 visible recipients · Facilities Support Services

$24,695,926
17

NAICS 336413

1 visible recipients · Other Aircraft Parts and Auxiliary Equipment Manufacturing

$632,500
18

NAICS 336412

1 visible recipients · Aircraft Engine and Engine Parts Manufacturing

$405,407
19

NAICS 333992

1 visible recipients · Welding and Soldering Equipment Manufacturing

$136,673
20

NAICS 332993

1 visible recipients · Ammunition (except Small Arms) Manufacturing

$1,000

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