Agency + PSC NAICS rankings

Top NAICS paths for PSC Z1AA under Department of the Interior.

Use this ranking when the research starts with Department of the Interior and PSC Z1AA, 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 Z1AA

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 561210

5 visible recipients · Facilities Support Services

$969,416,945
2

NAICS 236220

4 visible recipients · Commercial and Institutional Building Construction

$512,973,663
3

NAICS 541330

3 visible recipients · Engineering Services

$429,353,323
4

NAICS 621111

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

$251,639,799
5

NAICS 493190

1 visible recipients · Other Warehousing and Storage

$237,836,625
6

NAICS 484220

1 visible recipients · Specialized Freight (except Used Goods) Trucking, Local

$88,743,454
7

NAICS 237990

1 visible recipients · Other Heavy and Civil Engineering Construction

$45,060,725
8

NAICS 238990

1 visible recipients · All Other Specialty Trade Contractors

$39,365,653
9

NAICS 485999

1 visible recipients · All Other Transit and Ground Passenger Transportation

$20,384,257
10

NAICS 238220

2 visible recipients · Plumbing, Heating, and Air-Conditioning Contractors

$17,116,601
11

NAICS 562910

2 visible recipients · Remediation Services

$15,160,335
12

NAICS 561320

1 visible recipients · Temporary Help Services

$7,602,734
13

NAICS 238910

1 visible recipients · Site Preparation Contractors

$6,204,500
14

NAICS 236210

1 visible recipients · Industrial Building Construction

$3,557,123
15

NAICS 237310

1 visible recipients · Highway, Street, and Bridge Construction

$3,121,942
16

NAICS 238390

1 visible recipients · Other Building Finishing Contractors

$981,809
17

NAICS 812930

1 visible recipients · Parking Lots and Garages

$523,789
18

NAICS 561621

1 visible recipients · Security Systems Services (except Locksmiths)

$429,280
19

NAICS 541513

1 visible recipients · Computer Facilities Management Services

$362,394
20

NAICS 519190

1 visible recipients · All Other Information Services

$127,928
21

NAICS 327331

1 visible recipients · Concrete Block and Brick Manufacturing

$60,631
22

NAICS 541611

1 visible recipients · Administrative Management and General Management Consulting Services

$0

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