Agency + PSC NAICS rankings

Top NAICS paths for PSC D399 under Department of Justice.

Use this ranking when the research starts with Department of Justice and PSC D399, 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 Justice + PSC D399

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

39 visible recipients · Computer Systems Design Services

$23,802,433,121
2

NAICS 541519

38 visible recipients · Other Computer Related Services

$13,836,912,465
3

NAICS 541330

15 visible recipients · Engineering Services

$8,334,478,328
4

NAICS 541511

30 visible recipients · Custom Computer Programming Services

$6,180,841,206
5

NAICS 517110

9 visible recipients · Wired Telecommunications Carriers

$4,812,700,046
6

NAICS 334290

1 visible recipients · Other Communications Equipment Manufacturing

$3,627,470,589
7

NAICS 541513

10 visible recipients · Computer Facilities Management Services

$3,536,001,881
8

NAICS 488190

1 visible recipients · Other Support Activities for Air Transportation

$1,560,959,296
9

NAICS 518210

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

$1,253,412,695
10

NAICS 511210

11 visible recipients · Software Publishers

$1,012,919,272
11

NAICS 517919

2 visible recipients · All Other Telecommunications

$1,011,698,654
12

NAICS 541611

19 visible recipients · Administrative Management and General Management Consulting Services

$952,999,883
13

NAICS 561210

4 visible recipients · Facilities Support Services

$748,728,403
14

NAICS 334111

4 visible recipients · Electronic Computer Manufacturing

$724,691,879
15

NAICS 488999

1 visible recipients · All Other Support Activities for Transportation

$722,202,503
16

NAICS 423430

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

$664,610,069
17

NAICS 541712

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

$638,427,119
18

NAICS 532420

1 visible recipients · Office Machinery and Equipment Rental and Leasing

$597,033,427
19

NAICS 517410

2 visible recipients · Satellite Telecommunications

$505,045,913
20

NAICS 561990

2 visible recipients · All Other Support Services

$479,433,131
21

NAICS 541990

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

$443,798,932
22

NAICS 333318

1 visible recipients · Other Commercial and Service Industry Machinery Manufacturing

$327,319,657
23

NAICS 334210

1 visible recipients · Telephone Apparatus Manufacturing

$320,167,329
24

NAICS 339999

1 visible recipients · All Other Miscellaneous Manufacturing

$272,765,260
25

NAICS 811213

1 visible recipients · Communication Equipment Repair and Maintenance

$244,815,418
26

NAICS 541715

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

$219,553,381
27

NAICS 541612

3 visible recipients · Human Resources Consulting Services

$91,953,766
28

NAICS 541810

1 visible recipients · Advertising Agencies

$86,106,486
29

NAICS 541380

2 visible recipients · Testing Laboratories and Services

$84,519,946
30

NAICS 561320

3 visible recipients · Temporary Help Services

$69,142,828
31

NAICS 541710

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

$41,215,158
32

NAICS 238220

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

$38,611,889
33

NAICS 611430

1 visible recipients · Professional and Management Development Training

$37,206,027
34

NAICS 517111

3 visible recipients · Wired Telecommunications Carriers

$27,473,731
35

NAICS 561599

1 visible recipients · All Other Travel Arrangement and Reservation Services

$20,596,097
36

NAICS 561499

3 visible recipients · All Other Business Support Services

$20,185,516
37

NAICS 488310

1 visible recipients · Port and Harbor Operations

$19,762,768
38

NAICS 519190

1 visible recipients · All Other Information Services

$14,279,964
39

NAICS 541618

2 visible recipients · Other Management Consulting Services

$12,549,544
40

NAICS 512290

1 visible recipients · Other Sound Recording Industries

$10,076,920
41

NAICS 541219

1 visible recipients · Other Accounting Services

$7,952,882
42

NAICS 541690

1 visible recipients · Other Scientific and Technical Consulting Services

$7,448,232
43

NAICS 517311

1 visible recipients · Wired Telecommunications Carriers

$5,933,894
44

NAICS 561410

1 visible recipients · Document Preparation Services

$5,278,101
45

NAICS 561421

1 visible recipients · Telephone Answering Services

$4,117,585
46

NAICS 513210

1 visible recipients · Software Publishers

$3,510,288
47

NAICS 334611

1 visible recipients · Software Reproducing

$3,343,965
48

NAICS 334118

1 visible recipients · Computer Terminal and Other Computer Peripheral Equipment Manufacturing

$2,634,704
49

NAICS 334112

2 visible recipients · Computer Storage Device Manufacturing

$2,344,298
50

NAICS 443120

2 visible recipients · Computer and Software Stores

$2,208,432

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