Testing Laboratories locations near Saint Clair, MO

Showing 1–4 of 4 results

Saint Clair, MO has 4 testing laboratories listings across 3 ZIP codes. Details on this page were last refreshed Sep 2026.

Gateway Drug Screening, LLC

📍 206 S Church St, Union, MO, 63084

📞 636-583-2055

🌐 www.gatewaydsi.com

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Romer Labs

📍 1301 Stylemaster Dr, Union, MO, 63084

📞 636-583-8600

🌐 romerlabs.com

MID America Testing Laboratory Inc

📍 10525 Signal Hl, Catawissa, MO, 63015

📞 636-257-4722

🌐 midamlab.com

Updated Sep 2026

Servonics Instrmentation

📍 7 Industrial Dr, Pacific, MO, 63069

📞 636-271-4800

🌐 servonics.com

Servonics Instrumentation is a laboratory located in Pacific, Missouri, specializing in testing, calibration, and gauge testing services. Although its online presence has not been updated recently, the facility continues to serve clients in the area with their calibration needs.