Where America's r&d services establishments actually are, by county

AI safety research · Data as of 2026-09-22 · ALEX Intelligence

1,153 R&D Services Establishments — Middlesex County, Massachusetts

#	County	R&D Services Establishments
1	Middlesex County, Massachusetts	1,153
2	San Diego County, California	990
3	Los Angeles County, California	734
4	Santa Clara County, California	677
5	Alameda County, California	476
6	San Mateo County, California	448
7	Montgomery County, Maryland	409
8	Orange County, California	404
9	King County, Washington	360
10	New York County, New York	299

Methodology

Source:: U.S. Census Bureau, County Business Patterns 2022, NAICS 5417 (Scientific research and development services)
Measure: R&D Services Establishments, ranked highest first across all U.S. countys (633 ranked in total).
Universe: Places below a 5,000-resident floor are excluded so a median computed on a handful of households cannot top the ranking.
Vintage: 2022
Reproduce this query: https://api.census.gov/data/2022/cbp?get=NAME%2CESTAB%2CNAICS2017_LABEL&for=county%3A%2A&NAICS2017=5417&key=YOUR_CENSUS_KEY

Every figure on this page is computed directly from the dataset named above by ALEX Intelligence. No figure on this page was written by hand or by a language model. The query is stated so that anyone can re-run it and obtain the same table.

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