Agency + NAICS PSC rankings

Top PSC paths for NAICS 541620 under Department of Energy.

Use this ranking when the research starts with Department of Energy and NAICS 541620, and you want the strongest service-code pages inside that exact buyer + industry slice.

Best next ranking moves

Move faster from Department of Energy + NAICS 541620

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 Energy + NAICS 541620

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 F999

3 visible recipients · OTHER ENVIRONMENTAL SERVICES

$506,634,340
2

PSC R799

2 visible recipients · SUPPORT- MANAGEMENT: OTHER

$497,053,308
3

PSC R499

5 visible recipients · SUPPORT- PROFESSIONAL: OTHER

$482,986,893
4

PSC D318

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

$426,617,347
5

PSC R425

4 visible recipients · SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL

$338,738,313
6

PSC F108

1 visible recipients · ENVIRONMENTAL SYSTEMS PROTECTION- ENVIRONMENTAL REMEDIATION

$213,912,097
7

PSC C219

1 visible recipients · ARCHITECT AND ENGINEERING- GENERAL: OTHER

$176,987,795
8

PSC R408

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

$124,434,749
9

PSC DF01

1 visible recipients · IT AND TELECOM - IT MANAGEMENT SUPPORT SERVICES (LABOR)

$106,177,419
10

PSC DC01

1 visible recipients · IT AND TELECOM - DATA CENTER SUPPORT SERVICES (LABOR)

$100,410,287
11

PSC DJ01

1 visible recipients · IT AND TELECOM - SECURITY AND COMPLIANCE SUPPORT SERVICES (LABOR)

$100,169,069
12

PSC M300

1 visible recipients · OPER OF GOVT RESTORATION

$68,471,714
13

PSC S216

1 visible recipients · HOUSEKEEPING- FACILITIES OPERATIONS SUPPORT

$58,801,336
14

PSC B510

2 visible recipients · SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS

$40,433,918
15

PSC S299

1 visible recipients · HOUSEKEEPING- OTHER

$33,874,346
16

PSC U008

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

$32,419,040
17

PSC J059

1 visible recipients · MAINT/REPAIR/REBUILD OF EQUIPMENT- ELECTRICAL AND ELECTRONIC EQUIPMENT COMPONENTS

$30,853,060
18

PSC Q301

1 visible recipients · REFERENCE LABORATORY TESTING

$24,460,320
19

PSC Q201

1 visible recipients · MEDICAL- MANAGED HEALTHCARE

$20,897,142
20

PSC S201

1 visible recipients · HOUSEKEEPING- CUSTODIAL JANITORIAL

$9,584,777
21

PSC M1AA

1 visible recipients · OPERATION OF OFFICE BUILDINGS

$6,998,130
22

PSC D399

1 visible recipients · IT AND TELECOM- OTHER IT AND TELECOMMUNICATIONS

$6,638,050
23

PSC S206

1 visible recipients · HOUSEKEEPING- GUARD

$4,265,697
24

PSC F105

1 visible recipients · ENVIRONMENTAL SYSTEMS PROTECTION- PESTICIDES SUPPORT

$851,561
25

PSC R424

1 visible recipients · SUPPORT- PROFESSIONAL: EXPERT WITNESS

$680,176
26

PSC AH51

1 visible recipients · NATURAL RESOURCES AND ENVIRONMENT R&D SERVICES; OTHER NATURAL RESOURCES; BASIC RESEARCH

$652,584
27

PSC R405

1 visible recipients · SUPPORT- PROFESSIONAL: OPERATIONS RESEARCH/QUANTITATIVE ANALYSIS

$298,972
28

PSC AZ12

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

$100,000
29

PSC B502

1 visible recipients · SPECIAL STUDIES/ANALYSIS- AIR QUALITY

$15,170

Other buyer + code ranking views

Move around Department of Energy and NAICS 541620

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.