Agency + PSC NAICS rankings

Top NAICS paths for PSC AC12 under General Services Administration.

Use this ranking when the research starts with General Services Administration and PSC AC12, and you want the strongest industry-code pages inside that exact buyer + service slice.

Best next ranking moves

Move faster from General Services Administration + PSC AC12

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 General Services Administration + PSC AC12

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 541712

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

$4,257,374,475
2

NAICS 541330

5 visible recipients · Engineering Services

$1,927,980,484
3

NAICS 541715

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

$1,040,687,773
4

NAICS 336411

2 visible recipients · Aircraft Manufacturing

$612,936,980
5

NAICS 541511

3 visible recipients · Custom Computer Programming Services

$305,601,918
6

NAICS 488190

1 visible recipients · Other Support Activities for Air Transportation

$294,443,038
7

NAICS 561611

1 visible recipients · Investigation and Personal Background Check Services

$280,674,683
8

NAICS 541611

4 visible recipients · Administrative Management and General Management Consulting Services

$109,746,484
9

NAICS 541990

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

$97,991,106
10

NAICS 811219

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

$95,978,996
11

NAICS 541219

1 visible recipients · Other Accounting Services

$79,728,779
12

NAICS 519120

1 visible recipients · Libraries and Archives

$61,342,241
13

NAICS 541211

1 visible recipients · Offices of Certified Public Accountants

$45,915,086
14

NAICS 541710

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

$40,395,282
15

NAICS 488310

1 visible recipients · Port and Harbor Operations

$36,647,325
16

NAICS 541690

1 visible recipients · Other Scientific and Technical Consulting Services

$28,488,007
17

NAICS 336413

1 visible recipients · Other Aircraft Parts and Auxiliary Equipment Manufacturing

$26,528,411
18

NAICS 561210

1 visible recipients · Facilities Support Services

$24,695,926
19

NAICS 611310

1 visible recipients · Colleges, Universities, and Professional Schools

$10,815,809
20

NAICS 541512

1 visible recipients · Computer Systems Design Services

$5,521,146
21

NAICS 927110

1 visible recipients · Space Research and Technology

$1,673,823
22

NAICS 336412

1 visible recipients · Aircraft Engine and Engine Parts Manufacturing

$405,407
23

NAICS 334111

1 visible recipients · Electronic Computer Manufacturing

$143,000
24

NAICS 336611

1 visible recipients · Ship Building and Repairing

$2,500
25

NAICS 332993

1 visible recipients · Ammunition (except Small Arms) Manufacturing

$1,000

Other buyer + code ranking views

Move around General Services Administration and PSC AC12

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.