PSC NAICS rankings

Top NAICS paths for PSC Q301.

Use this ranking when the research starts with PSC Q301 and you want the strongest industry-code pages attached to REFERENCE LABORATORY TESTING before moving into deeper intersections.

PSC NAICS rankings

Top NAICS paths

These PSC-scoped rankings are useful when you want a cleaner entry point than the full code page and a faster pivot into geography or industry-lane research.

1

NAICS 621111

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

$3,001,650,767
2

NAICS 561320

1 visible recipients · Temporary Help Services

$1,493,376,378
3

NAICS 622110

1 visible recipients · General Medical and Surgical Hospitals

$381,882,506
4

NAICS 562910

1 visible recipients · Remediation Services

$150,061,977
5

NAICS 541512

1 visible recipients · Computer Systems Design Services

$123,698,069
6

NAICS 541511

2 visible recipients · Custom Computer Programming Services

$83,444,605
7

NAICS 541380

1 visible recipients · Testing Laboratories and Services

$54,407,763
8

NAICS 621511

1 visible recipients · Medical Laboratories

$50,198,009
9

NAICS 541330

1 visible recipients · Engineering Services

$36,264,045
10

NAICS 541519

3 visible recipients · Other Computer Related Services

$25,687,148
11

NAICS 561599

1 visible recipients · All Other Travel Arrangement and Reservation Services

$20,596,097
12

NAICS 513210

1 visible recipients · Software Publishers

$8,827,075
13

NAICS 541611

1 visible recipients · Administrative Management and General Management Consulting Services

$8,401,355
14

NAICS 541690

1 visible recipients · Other Scientific and Technical Consulting Services

$5,991,624
15

NAICS 511210

1 visible recipients · Software Publishers

$2,175,098
16

NAICS 541620

1 visible recipients · Environmental Consulting Services

$1,856,427
17

NAICS 541711

1 visible recipients · Research and Development in Biotechnology

$999,411
18

NAICS 334516

2 visible recipients · Analytical Laboratory Instrument Manufacturing

$109,350

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