Agency + PSC NAICS rankings

Top NAICS paths for PSC AD25 under Department of Defense.

Use this ranking when the research starts with Department of Defense and PSC AD25, and you want the strongest industry-code pages inside that exact buyer + service slice.

Best next ranking moves

Move faster from Department of Defense + PSC AD25

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 Defense + PSC AD25

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

2 visible recipients · Computer Systems Design Services

$7,528,944,430
2

NAICS 541330

7 visible recipients · Engineering Services

$6,633,204,318
3

NAICS 517919

2 visible recipients · All Other Telecommunications

$4,022,915,931
4

NAICS 334290

2 visible recipients · Other Communications Equipment Manufacturing

$3,638,461,362
5

NAICS 517110

1 visible recipients · Wired Telecommunications Carriers

$1,769,571,147
6

NAICS 488190

1 visible recipients · Other Support Activities for Air Transportation

$1,560,959,296
7

NAICS 541710

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

$1,523,447,018
8

NAICS 541511

2 visible recipients · Custom Computer Programming Services

$614,229,975
9

NAICS 561210

1 visible recipients · Facilities Support Services

$428,670,813
10

NAICS 541519

3 visible recipients · Other Computer Related Services

$84,865,032
11

NAICS 541690

1 visible recipients · Other Scientific and Technical Consulting Services

$35,958,271
12

NAICS 541715

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

$322,134
13

NAICS 334419

1 visible recipients · Other Electronic Component Manufacturing

$49,770
14

NAICS 811213

1 visible recipients · Communication Equipment Repair and Maintenance

$16,168
15

NAICS 811219

1 visible recipients · Other Electronic and Precision Equipment Repair and Maintenance

$11,083
16

NAICS 541350

2 visible recipients · Building Inspection Services

$5,000
17

NAICS 811121

1 visible recipients · Automotive Body, Paint, and Interior Repair and Maintenance

$2,500
18

NAICS 332993

1 visible recipients · Ammunition (except Small Arms) Manufacturing

$1,000

Other buyer + code ranking views

Move around Department of Defense and PSC AD25

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.