Agency + PSC NAICS rankings

Top NAICS paths for PSC Q403 under Department of Homeland Security.

Use this ranking when the research starts with Department of Homeland Security and PSC Q403, 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 Homeland Security + PSC Q403

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 621111

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

$27,497,899,211
2

NAICS 561320

4 visible recipients · Temporary Help Services

$1,582,856,663
3

NAICS 622110

2 visible recipients · General Medical and Surgical Hospitals

$391,209,508
4

NAICS 621112

2 visible recipients · Offices of Physicians, Mental Health Specialists

$372,665,250
5

NAICS 524114

1 visible recipients · Direct Health and Medical Insurance Carriers

$167,308,021
6

NAICS 561210

1 visible recipients · Facilities Support Services

$79,781,584
7

NAICS 621498

3 visible recipients · All Other Outpatient Care Centers

$77,600,619
8

NAICS 621999

1 visible recipients · All Other Miscellaneous Ambulatory Health Care Services

$58,656,871
9

NAICS 621511

1 visible recipients · Medical Laboratories

$50,198,009
10

NAICS 541612

1 visible recipients · Human Resources Consulting Services

$43,613,237
11

NAICS 321991

1 visible recipients · Manufactured Home (Mobile Home) Manufacturing

$36,717,549
12

NAICS 541330

1 visible recipients · Engineering Services

$36,264,045
13

NAICS 541990

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

$29,358,700
14

NAICS 624190

1 visible recipients · Other Individual and Family Services

$23,897,388
15

NAICS 485999

1 visible recipients · All Other Transit and Ground Passenger Transportation

$20,384,257
16

NAICS 562910

1 visible recipients · Remediation Services

$8,148,961
17

NAICS 541611

1 visible recipients · Administrative Management and General Management Consulting Services

$1,057,819
18

NAICS 722310

1 visible recipients · Food Service Contractors

$572,961
19

NAICS 541511

1 visible recipients · Custom Computer Programming Services

$164,776
20

NAICS 611710

1 visible recipients · Educational Support Services

$117,200
21

NAICS 524298

1 visible recipients · All Other Insurance Related Activities

$72,327

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