Agency + PSC NAICS rankings

Top NAICS paths for PSC Q999 under Department of the Interior.

Use this ranking when the research starts with Department of the Interior and PSC Q999, and you want the strongest industry-code pages inside that exact buyer + service slice.

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Agency + service NAICS rankings

Top NAICS paths inside Department of the Interior + PSC Q999

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 561320

1 visible recipients · Temporary Help Services

$443,186,237
2

NAICS 541614

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

$408,329,516
3

NAICS 561210

1 visible recipients · Facilities Support Services

$327,307,355
4

NAICS 621111

2 visible recipients · Offices of Physicians (except Mental Health Specialists)

$282,497,321
5

NAICS 541620

2 visible recipients · Environmental Consulting Services

$29,567,111
6

NAICS 446110

1 visible recipients · Pharmacies and Drug Stores

$3,842,725
7

NAICS 624230

1 visible recipients · Emergency and Other Relief Services

$2,748,939
8

NAICS 562910

1 visible recipients · Remediation Services

$1,978,016
9

NAICS 236220

2 visible recipients · Commercial and Institutional Building Construction

$1,794,791
10

NAICS 531120

3 visible recipients · Lessors of Nonresidential Buildings (except Miniwarehouses)

$1,626,815
11

NAICS 541990

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

$1,114,736
12

NAICS 621512

1 visible recipients · Diagnostic Imaging Centers

$1,080,834
13

NAICS 813311

4 visible recipients · Human Rights Organizations

$990,977
14

NAICS 922140

1 visible recipients · Correctional Institutions

$697,040
15

NAICS 221310

2 visible recipients · Water Supply and Irrigation Systems

$628,656
16

NAICS 115310

1 visible recipients · Support Activities for Forestry

$407,315
17

NAICS 921150

3 visible recipients · American Indian and Alaska Native Tribal Governments

$400,666
18

NAICS 621999

5 visible recipients · All Other Miscellaneous Ambulatory Health Care Services

$372,508
19

NAICS 541330

2 visible recipients · Engineering Services

$238,603
20

NAICS 541219

1 visible recipients · Other Accounting Services

$150,000
21

NAICS 541199

1 visible recipients · All Other Legal Services

$117,590
22

NAICS 923120

1 visible recipients · Administration of Public Health Programs

$100,000
23

NAICS 721120

1 visible recipients · Casino Hotels

$61,600
24

NAICS 541310

1 visible recipients · Architectural Services

$54,145
25

NAICS 532120

1 visible recipients · Truck, Utility Trailer, and RV (Recreational Vehicle) Rental and Leasing

$49,445
26

NAICS 453920

1 visible recipients · Art Dealers

$25,000
27

NAICS 541720

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

$23,360
28

NAICS 621340

1 visible recipients · Offices of Physical, Occupational and Speech Therapists, and Audiologists

$6,312
29

NAICS 923110

1 visible recipients · Administration of Education Programs

$5,250
30

NAICS 221320

1 visible recipients · Sewage Treatment Facilities

$3,288

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