Agency + PSC NAICS rankings

Top NAICS paths for PSC D399 under Department of Labor.

Use this ranking when the research starts with Department of Labor 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 Labor + 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

17 visible recipients · Computer Systems Design Services

$5,190,585,473
2

NAICS 541511

12 visible recipients · Custom Computer Programming Services

$1,442,794,220
3

NAICS 541519

18 visible recipients · Other Computer Related Services

$1,368,954,249
4

NAICS 561210

1 visible recipients · Facilities Support Services

$1,020,556,970
5

NAICS 541330

8 visible recipients · Engineering Services

$466,673,991
6

NAICS 541513

7 visible recipients · Computer Facilities Management Services

$451,086,187
7

NAICS 518210

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

$418,063,131
8

NAICS 517110

2 visible recipients · Wired Telecommunications Carriers

$363,275,167
9

NAICS 334111

1 visible recipients · Electronic Computer Manufacturing

$81,901,588
10

NAICS 524298

1 visible recipients · All Other Insurance Related Activities

$68,756,909
11

NAICS 541611

5 visible recipients · Administrative Management and General Management Consulting Services

$66,202,111
12

NAICS 611430

1 visible recipients · Professional and Management Development Training

$34,798,615
13

NAICS 519120

1 visible recipients · Libraries and Archives

$22,879,107
14

NAICS 511210

3 visible recipients · Software Publishers

$19,335,484
15

NAICS 561499

3 visible recipients · All Other Business Support Services

$13,124,283
16

NAICS 561990

1 visible recipients · All Other Support Services

$12,204,516
17

NAICS 541618

1 visible recipients · Other Management Consulting Services

$11,931,282
18

NAICS 541219

1 visible recipients · Other Accounting Services

$7,952,882
19

NAICS 541690

1 visible recipients · Other Scientific and Technical Consulting Services

$7,448,232
20

NAICS 561320

1 visible recipients · Temporary Help Services

$5,749,895
21

NAICS 492110

1 visible recipients · Couriers and Express Delivery Services

$5,463,284
22

NAICS 493110

1 visible recipients · General Warehousing and Storage

$5,418,448
23

NAICS 561410

1 visible recipients · Document Preparation Services

$5,278,101
24

NAICS 541990

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

$5,126,727
25

NAICS 519130

2 visible recipients · Internet Publishing and Broadcasting and Web Search Portals

$4,304,052
26

NAICS 513210

1 visible recipients · Software Publishers

$3,510,288
27

NAICS 423430

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

$615,013
28

NAICS 336611

1 visible recipients · Ship Building and Repairing

$5,000
29

NAICS 541350

1 visible recipients · Building Inspection Services

$2,500
30

NAICS 541715

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

$500

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