Agency + NAICS PSC rankings

Top PSC paths for NAICS 561110 under Department of Transportation.

Use this ranking when the research starts with Department of Transportation and NAICS 561110, and you want the strongest service-code pages inside that exact buyer + industry slice.

Best next ranking moves

Move faster from Department of Transportation + NAICS 561110

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

Agency + industry PSC rankings

Top PSC paths inside Department of Transportation + NAICS 561110

Use these rankings when the buyer-specific NAICS page is still too broad and you want the most relevant PSC pivots inside the same slice.

1

PSC R499

7 visible recipients · SUPPORT- PROFESSIONAL: OTHER

$2,377,849,039
2

PSC R425

3 visible recipients · SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL

$1,127,078,967
3

PSC R706

3 visible recipients · SUPPORT- MANAGEMENT: LOGISTICS SUPPORT

$636,102,393
4

PSC M1BA

1 visible recipients · OPERATION OF AIR TRAFFIC CONTROL TOWERS

$362,464,958
5

PSC S216

1 visible recipients · HOUSEKEEPING- FACILITIES OPERATIONS SUPPORT

$197,038,587
6

PSC U006

1 visible recipients · EDUCATION/TRAINING- VOCATIONAL/TECHNICAL

$169,226,881
7

PSC R408

5 visible recipients · SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT

$131,897,310
8

PSC R799

2 visible recipients · SUPPORT- MANAGEMENT: OTHER

$117,404,722
9

PSC R699

5 visible recipients · SUPPORT- ADMINISTRATIVE: OTHER

$114,636,799
10

PSC 1730

1 visible recipients · AIRCRAFT GROUND SERVICING EQUIPMENT

$77,705,197
11

PSC R426

1 visible recipients · SUPPORT- PROFESSIONAL: COMMUNICATIONS

$49,394,610
12

PSC D318

1 visible recipients · IT AND TELECOM- INTEGRATED HARDWARE/SOFTWARE/SERVICES SOLUTIONS, PREDOMINANTLY SERVICES

$43,180,811
13

PSC F999

1 visible recipients · OTHER ENVIRONMENTAL SERVICES

$40,471,621
14

PSC DA01

2 visible recipients · IT AND TELECOM - BUSINESS APPLICATION/APPLICATION DEVELOPMENT SUPPORT SERVICES (LABOR)

$40,312,933
15

PSC AC34

1 visible recipients · NATIONAL DEFENSE R&D SERVICES; DEFENSE-RELATED ACTIVITIES; R&D ADMINISTRATIVE EXPENSES

$38,668,792
16

PSC R431

1 visible recipients · SUPPORT- PROFESSIONAL: HUMAN RESOURCES

$19,609,978
17

PSC AD21

1 visible recipients · R&D- DEFENSE OTHER: SERVICES (BASIC RESEARCH)

$17,423,970
18

PSC R707

1 visible recipients · SUPPORT- MANAGEMENT: CONTRACT/PROCUREMENT/ACQUISITION SUPPORT

$13,504,778
19

PSC D310

1 visible recipients · IT AND TELECOM- CYBER SECURITY AND DATA BACKUP

$6,628,762
20

PSC U008

1 visible recipients · EDUCATION/TRAINING- TRAINING/CURRICULUM DEVELOPMENT

$5,223,365
21

PSC J058

1 visible recipients · MAINT/REPAIR/REBUILD OF EQUIPMENT- COMMUNICATION, DETECTION, AND COHERENT RADIATION EQUIPMENT

$1,251,654
22

PSC S208

1 visible recipients · HOUSEKEEPING- LANDSCAPING/GROUNDSKEEPING

$424,885
23

PSC R418

1 visible recipients · SUPPORT- PROFESSIONAL: LEGAL

$388,000
24

PSC Z2DA

1 visible recipients · REPAIR OR ALTERATION OF HOSPITALS AND INFIRMARIES

$268,300
25

PSC B599

1 visible recipients · SPECIAL STUDIES/ANALYSIS- OTHER

$199,064

Other buyer + code ranking views

Move around Department of Transportation and NAICS 561110

Switch back into the broader buyer NAICS ranking layer or go straight into the detailed buyer + NAICS 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, NAICS, PSC, state, and top-list hubs when you want broader browse coverage.