Agency + PSC NAICS rankings

Top NAICS paths for PSC Z1AA under Department of Homeland Security.

Use this ranking when the research starts with Department of Homeland Security and PSC Z1AA, 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 Z1AA

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

6 visible recipients · Facilities Support Services

$1,827,794,994
2

NAICS 541330

2 visible recipients · Engineering Services

$684,973,672
3

NAICS 236220

5 visible recipients · Commercial and Institutional Building Construction

$660,360,298
4

NAICS 541611

3 visible recipients · Administrative Management and General Management Consulting Services

$533,624,638
5

NAICS 621111

1 visible recipients · Offices of Physicians (except Mental Health Specialists)

$251,639,799
6

NAICS 493190

1 visible recipients · Other Warehousing and Storage

$237,836,625
7

NAICS 484220

1 visible recipients · Specialized Freight (except Used Goods) Trucking, Local

$88,743,454
8

NAICS 541690

1 visible recipients · Other Scientific and Technical Consulting Services

$78,660,655
9

NAICS 238220

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

$50,597,556
10

NAICS 237990

2 visible recipients · Other Heavy and Civil Engineering Construction

$49,796,673
11

NAICS 238990

2 visible recipients · All Other Specialty Trade Contractors

$39,387,104
12

NAICS 541614

1 visible recipients · Process, Physical Distribution, and Logistics Consulting Services

$33,760,572
13

NAICS 541519

1 visible recipients · Other Computer Related Services

$31,647,902
14

NAICS 517919

1 visible recipients · All Other Telecommunications

$24,855,169
15

NAICS 485999

1 visible recipients · All Other Transit and Ground Passenger Transportation

$20,384,257
16

NAICS 236210

3 visible recipients · Industrial Building Construction

$19,423,544
17

NAICS 562910

2 visible recipients · Remediation Services

$15,160,335
18

NAICS 238210

1 visible recipients · Electrical Contractors and Other Wiring Installation Contractors

$14,088,078
19

NAICS 531390

1 visible recipients · Other Activities Related to Real Estate

$9,922,960
20

NAICS 561320

1 visible recipients · Temporary Help Services

$7,602,734
21

NAICS 238910

1 visible recipients · Site Preparation Contractors

$6,204,500
22

NAICS 237310

2 visible recipients · Highway, Street, and Bridge Construction

$3,246,942
23

NAICS 236118

1 visible recipients · Residential Remodelers

$47,192
24

NAICS 531130

1 visible recipients · Lessors of Miniwarehouses and Self-Storage Units

$7,945

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