Agency + PSC NAICS rankings

Top NAICS paths for PSC F999 under Department of Transportation.

Use this ranking when the research starts with Department of Transportation and PSC F999, and you want the strongest industry-code pages inside that exact buyer + service slice.

Best next ranking moves

Move faster from Department of Transportation + PSC F999

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 Transportation + PSC F999

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 562910

6 visible recipients · Remediation Services

$3,140,726,549
2

NAICS 541614

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

$2,054,311,729
3

NAICS 237990

2 visible recipients · Other Heavy and Civil Engineering Construction

$1,271,450,394
4

NAICS 541330

4 visible recipients · Engineering Services

$948,178,444
5

NAICS 488190

1 visible recipients · Other Support Activities for Air Transportation

$450,120,945
6

NAICS 561210

3 visible recipients · Facilities Support Services

$244,458,938
7

NAICS 541620

5 visible recipients · Environmental Consulting Services

$205,833,914
8

NAICS 336413

1 visible recipients · Other Aircraft Parts and Auxiliary Equipment Manufacturing

$154,364,395
9

NAICS 236220

2 visible recipients · Commercial and Institutional Building Construction

$117,777,828
10

NAICS 237120

1 visible recipients · Oil and Gas Pipeline and Related Structures Construction

$101,423,530
11

NAICS 561110

1 visible recipients · Office Administrative Services

$81,343,246
12

NAICS 541310

4 visible recipients · Architectural Services

$61,166,688
13

NAICS 541712

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

$56,694,585
14

NAICS 511130

1 visible recipients · Book Publishers

$37,947,977
15

NAICS 541715

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

$31,538,992
16

NAICS 541690

2 visible recipients · Other Scientific and Technical Consulting Services

$21,209,283
17

NAICS 561720

1 visible recipients · Janitorial Services

$2,532,187
18

NAICS 562111

1 visible recipients · Solid Waste Collection

$1,913,345
19

NAICS 813319

1 visible recipients · Other Social Advocacy Organizations

$78,847
20

NAICS 926150

1 visible recipients · Regulation, Licensing, and Inspection of Miscellaneous Commercial Sectors

$21,780
21

NAICS 541720

1 visible recipients · Research and Development in the Social Sciences and Humanities

$20,000
22

NAICS 924120

1 visible recipients · Administration of Conservation Programs

$12,103
23

NAICS 541611

1 visible recipients · Administrative Management and General Management Consulting Services

$5,641
24

NAICS 541710

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

$0

Other buyer + code ranking views

Move around Department of Transportation and PSC F999

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.