Agency + NAICS PSC rankings

Top PSC paths for NAICS 335999 under Department of Homeland Security.

Use this ranking when the research starts with Department of Homeland Security and NAICS 335999, and you want the strongest service-code pages inside that exact buyer + industry slice.

Best next ranking moves

Move faster from Department of Homeland Security + NAICS 335999

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 Homeland Security + NAICS 335999

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 5895

1 visible recipients · MISCELLANEOUS COMMUNICATION EQUIPMENT

$8,058,072,758
2

PSC 5810

1 visible recipients · COMMUNICATIONS SECURITY EQUIPMENT AND COMPONENTS

$2,683,718,109
3

PSC R425

2 visible recipients · SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL

$2,589,222,873
4

PSC 1230

1 visible recipients · FIRE CONTROL SYSTEMS, COMPLETE

$1,924,106,546
5

PSC AC64

1 visible recipients · R&D- DEFENSE SYSTEM: ELECTRONICS/COMMUNICATION EQUIPMENT (ENGINEERING DEVELOPMENT)

$1,235,621,699
6

PSC S206

1 visible recipients · HOUSEKEEPING- GUARD

$70,233,889
7

PSC B599

1 visible recipients · SPECIAL STUDIES/ANALYSIS- OTHER

$45,994,339
8

PSC 1620

1 visible recipients · AIRCRAFT LANDING GEAR COMPONENTS

$25,662,395
9

PSC S202

1 visible recipients · HOUSEKEEPING- FIRE PROTECTION

$11,987,801
10

PSC R430

1 visible recipients · SUPPORT- PROFESSIONAL: PHYSICAL SECURITY AND BADGING

$11,649,672
11

PSC 6625

1 visible recipients · ELECTRICAL AND ELECTRONIC PROPERTIES MEASURING AND TESTING INSTRUMENTS

$5,966,306
12

PSC R414

1 visible recipients · SYSTEMS ENGINEERING SERVICES

$5,426,719
13

PSC 5999

2 visible recipients · MISCELLANEOUS ELECTRICAL AND ELECTRONIC COMPONENTS

$4,539,873
14

PSC 6640

1 visible recipients · LABORATORY EQUIPMENT AND SUPPLIES

$4,341,479
15

PSC AD92

1 visible recipients · R&D- DEFENSE OTHER: OTHER (APPLIED RESEARCH/EXPLORATORY DEVELOPMENT)

$3,701,714
16

PSC 6110

2 visible recipients · ELECTRICAL CONTROL EQUIPMENT

$3,192,228
17

PSC J015

1 visible recipients · MAINT/REPAIR/REBUILD OF EQUIPMENT- AIRCRAFT AND AIRFRAME STRUCTURAL COMPONENTS

$2,335,065
18

PSC 5910

1 visible recipients · CAPACITORS

$1,915,273
19

PSC R499

1 visible recipients · SUPPORT- PROFESSIONAL: OTHER

$7,019

Other buyer + code ranking views

Move around Department of Homeland Security and NAICS 335999

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.