Agency + PSC NAICS rankings

Top NAICS paths for PSC DF01 under Department of the Interior.

Use this ranking when the research starts with Department of the Interior and PSC DF01, 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 the Interior + PSC DF01

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

10 visible recipients · Computer Systems Design Services

$1,510,174,568
2

NAICS 541519

9 visible recipients · Other Computer Related Services

$611,700,111
3

NAICS 541611

7 visible recipients · Administrative Management and General Management Consulting Services

$374,082,057
4

NAICS 541513

4 visible recipients · Computer Facilities Management Services

$368,466,992
5

NAICS 541511

4 visible recipients · Custom Computer Programming Services

$281,482,366
6

NAICS 518210

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

$192,738,047
7

NAICS 541330

4 visible recipients · Engineering Services

$176,590,683
8

NAICS 561612

2 visible recipients · Security Guards and Patrol Services

$119,389,140
9

NAICS 541715

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

$51,775,501
10

NAICS 541990

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

$34,928,505
11

NAICS 621399

1 visible recipients · Offices of All Other Miscellaneous Health Practitioners

$18,475,670
12

NAICS 492110

1 visible recipients · Couriers and Express Delivery Services

$5,463,284
13

NAICS 541690

1 visible recipients · Other Scientific and Technical Consulting Services

$3,980,235
14

NAICS 517311

1 visible recipients · Wired Telecommunications Carriers

$3,014,512
15

NAICS 561499

1 visible recipients · All Other Business Support Services

$2,205,982
16

NAICS 423430

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

$190,000

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