Agency + PSC NAICS rankings

Top NAICS paths for PSC D301 under Department of Homeland Security.

Use this ranking when the research starts with Department of Homeland Security and PSC D301, 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 D301

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 541512

13 visible recipients · Computer Systems Design Services

$39,539,420,507
2

NAICS 541330

9 visible recipients · Engineering Services

$19,227,809,778
3

NAICS 541519

14 visible recipients · Other Computer Related Services

$18,871,571,751
4

NAICS 541513

6 visible recipients · Computer Facilities Management Services

$7,750,215,262
5

NAICS 541712

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

$5,752,552,522
6

NAICS 518210

4 visible recipients · Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services

$4,862,692,278
7

NAICS 517110

3 visible recipients · Wired Telecommunications Carriers

$2,492,065,022
8

NAICS 541511

8 visible recipients · Custom Computer Programming Services

$1,804,377,997
9

NAICS 517410

1 visible recipients · Satellite Telecommunications

$451,385,056
10

NAICS 541611

6 visible recipients · Administrative Management and General Management Consulting Services

$359,405,880
11

NAICS 541990

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

$205,207,342
12

NAICS 333244

1 visible recipients · Printing Machinery and Equipment Manufacturing

$190,117,907
13

NAICS 541380

1 visible recipients · Testing Laboratories and Services

$95,777,609
14

NAICS 541690

2 visible recipients · Other Scientific and Technical Consulting Services

$79,607,221
15

NAICS 541715

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

$47,322,562
16

NAICS 423430

1 visible recipients · Computer and Computer Peripheral Equipment and Software Merchant Wholesalers

$45,517,586
17

NAICS 541620

1 visible recipients · Environmental Consulting Services

$43,137,052
18

NAICS 541710

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

$41,215,158
19

NAICS 333298

1 visible recipients · All Other Industrial Machinery Manufacturing

$31,404,060
20

NAICS 334220

1 visible recipients · Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing

$16,131,617
21

NAICS 541930

1 visible recipients · Translation and Interpretation Services

$12,497,941
22

NAICS 517311

1 visible recipients · Wired Telecommunications Carriers

$5,933,894
23

NAICS 519190

2 visible recipients · All Other Information Services

$4,782,569
24

NAICS 517111

1 visible recipients · Wired Telecommunications Carriers

$3,240,457
25

NAICS 443120

1 visible recipients · Computer and Software Stores

$2,418,485
26

NAICS 561210

1 visible recipients · Facilities Support Services

$1,598,234
27

NAICS 511210

1 visible recipients · Software Publishers

$941,148
28

NAICS 423710

1 visible recipients · Hardware Merchant Wholesalers

$850,023
29

NAICS 541618

2 visible recipients · Other Management Consulting Services

$803,144
30

NAICS 541350

2 visible recipients · Building Inspection Services

$5,000

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