Agency + PSC NAICS rankings

Top NAICS paths for PSC DD01 under Department of the Interior.

Use this ranking when the research starts with Department of the Interior and PSC DD01, and you want the strongest industry-code pages inside that exact buyer + service slice.

Best next ranking moves

Move faster from Department of the Interior + PSC DD01

Use the strongest next click when this buyer + service slice is already the right lane and you want to get to the best detail page faster.

Agency + service NAICS rankings

Top NAICS paths inside Department of the Interior + PSC DD01

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 541519

9 visible recipients · Other Computer Related Services

$954,515,870
2

NAICS 541512

7 visible recipients · Computer Systems Design Services

$530,210,073
3

NAICS 541511

4 visible recipients · Custom Computer Programming Services

$202,992,785
4

NAICS 541614

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

$165,012,917
5

NAICS 541330

4 visible recipients · Engineering Services

$127,589,234
6

NAICS 518210

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

$91,302,915
7

NAICS 541611

4 visible recipients · Administrative Management and General Management Consulting Services

$76,240,023
8

NAICS 541513

3 visible recipients · Computer Facilities Management Services

$43,788,609
9

NAICS 561612

1 visible recipients · Security Guards and Patrol Services

$34,590,357
10

NAICS 541990

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

$22,546,432
11

NAICS 541690

2 visible recipients · Other Scientific and Technical Consulting Services

$18,888,310
12

NAICS 541613

1 visible recipients · Marketing Consulting Services

$4,500,000
13

NAICS 443120

1 visible recipients · Computer and Software Stores

$2,025,911
14

NAICS 611710

1 visible recipients · Educational Support Services

$814,350
15

NAICS 813311

2 visible recipients · Human Rights Organizations

$672,099
16

NAICS 517110

1 visible recipients · Wired Telecommunications Carriers

$354,687
17

NAICS 115310

1 visible recipients · Support Activities for Forestry

$330,319
18

NAICS 517919

1 visible recipients · All Other Telecommunications

$261,821
19

NAICS 562111

1 visible recipients · Solid Waste Collection

$161,272
20

NAICS 517911

1 visible recipients · Telecommunications Resellers

$143,269
21

NAICS 541310

1 visible recipients · Architectural Services

$85,274
22

NAICS 561210

1 visible recipients · Facilities Support Services

$75,891
23

NAICS 517410

1 visible recipients · Satellite Telecommunications

$73,400
24

NAICS 517311

1 visible recipients · Wired Telecommunications Carriers

$63,521
25

NAICS 237110

1 visible recipients · Water and Sewer Line and Related Structures Construction

$22,645
26

NAICS 921150

1 visible recipients · American Indian and Alaska Native Tribal Governments

$14,864
27

NAICS 517210

1 visible recipients · Wireless Telecommunications Carriers (except Satellite)

$13,107

Other buyer + code ranking views

Move around Department of the Interior and PSC DD01

Switch back into the broader buyer PSC ranking layer or go straight into the detailed buyer + PSC page when you want recipient-level browsing.

Directory graph

Move into full directory hubs

Use this ranking page as a shortcut, then branch back into the wider agency, PSC, NAICS, state, and top-list hubs when you want broader browse coverage.