Oregon Number of Private Business Establishments in the NAICS 54138 Testing laboratories Industry By County in 2025 Q1 (QCEW)

Updated on April 2, 2026.

According to data from the US Bureau of Labor Statistics, in 2025 Q1, Oregon had 162 number of private business establishments in the NAICS 54138 Testing laboratories Industry. Among all Oregon counties, Washington had the highest number of private business establishments (35), followed by Multnomah (27), and Clackamas (17).

The chart and table shows the number of business establishments for each county.

You can see similar information for other states, and for the United States.

You can see similar information for other industries.

Related Topics: Oregon BLS Topic List.

Data Source: US Bureau of Labor Statistics (QCEW).

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Oregon Number of Private Business Establishments in the NAICS 54138 Testing laboratories Industry By County in 2025 Q1

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County	Number of Business Establishments
Benton	4
Clackamas	17
Clatsop	1
Columbia	2
Deschutes	6
Douglas	4
Hood River	1
Jackson	6
Josephine	3
Klamath	3
Lane	5
Linn	7
Malheur	1
Marion	7
Multnomah	27
Polk	2
Umatilla	1
Union	1
Washington	35
Yamhill	3