Agency + PSC NAICS rankings

Top NAICS paths for PSC Z1DA under Department of Defense.

Use this ranking when the research starts with Department of Defense and PSC Z1DA, 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 Defense + PSC Z1DA

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

3 visible recipients · Facilities Support Services

$4,233,554,354
2

NAICS 236220

5 visible recipients · Commercial and Institutional Building Construction

$3,411,686,727
3

NAICS 541512

1 visible recipients · Computer Systems Design Services

$1,964,372,394
4

NAICS 561720

1 visible recipients · Janitorial Services

$627,125,120
5

NAICS 562998

1 visible recipients · All Other Miscellaneous Waste Management Services

$250,500,866
6

NAICS 811219

2 visible recipients · Other Electronic and Precision Equipment Repair and Maintenance

$133,102,366
7

NAICS 561621

1 visible recipients · Security Systems Services (except Locksmiths)

$101,336,050
8

NAICS 238220

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

$73,555,171
9

NAICS 238210

1 visible recipients · Electrical Contractors and Other Wiring Installation Contractors

$19,335,000
10

NAICS 541511

1 visible recipients · Custom Computer Programming Services

$16,713,773
11

NAICS 333415

2 visible recipients · Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing

$14,390,315
12

NAICS 238990

1 visible recipients · All Other Specialty Trade Contractors

$9,568,929
13

NAICS 237310

1 visible recipients · Highway, Street, and Bridge Construction

$7,833,084
14

NAICS 562119

1 visible recipients · Other Waste Collection

$7,587,832
15

NAICS 237110

1 visible recipients · Water and Sewer Line and Related Structures Construction

$7,511,182
16

NAICS 561730

1 visible recipients · Landscaping Services

$520,574
17

NAICS 541330

2 visible recipients · Engineering Services

$331,410

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