State + PSC NAICS rankings

Top NAICS paths for PSC R799 in Maryland.

Use this ranking when the research starts with Maryland and PSC R799, and you want the strongest industry-code pages inside that exact geography + service slice.

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State + service NAICS rankings

Top NAICS paths inside Maryland + PSC R799

Use these rankings when the state-specific PSC page is still too broad and you want the most relevant NAICS pivots inside the same slice.

1

NAICS 561210

2 visible recipients · Facilities Support Services

$6,336,096,812
2

NAICS 541715

1 visible recipients · Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

$6,212,889,201
3

NAICS 541330

3 visible recipients · Engineering Services

$3,398,236,006
4

NAICS 517110

1 visible recipients · Wired Telecommunications Carriers

$1,190,893,027
5

NAICS 541990

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

$996,060,116
6

NAICS 561611

1 visible recipients · Investigation and Personal Background Check Services

$280,674,683
7

NAICS 518210

1 visible recipients · Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services

$267,782,595
8

NAICS 541712

1 visible recipients · Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)

$190,139,964
9

NAICS 541512

1 visible recipients · Computer Systems Design Services

$188,019,663
10

NAICS 541611

1 visible recipients · Administrative Management and General Management Consulting Services

$130,130,342
11

NAICS 519120

1 visible recipients · Libraries and Archives

$61,342,241
12

NAICS 541511

2 visible recipients · Custom Computer Programming Services

$36,490,543
13

NAICS 517919

1 visible recipients · All Other Telecommunications

$1,068,972
14

NAICS 541199

1 visible recipients · All Other Legal Services

$40,000
15

NAICS 334516

1 visible recipients · Analytical Laboratory Instrument Manufacturing

$14,649
16

NAICS 325414

1 visible recipients · Biological Product (except Diagnostic) Manufacturing

$4,597
17

NAICS 541519

1 visible recipients · Other Computer Related Services

$0

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