Professional Testing (EMI), Inc.
Round Rock, Texas, United States
Professional Testing (EMI), Inc. (PTI) is an NVLAP-accredited EMC/EMI, product safety, reliability, and hazardous locations test lab founded in 1987 and headquartered in Round Rock, Texas, with EMC facilities in Austin. PTI is an IECEx Testing Laboratory (ExTL) and CB Testing Laboratory, covering commercial, medical, wireless, MIL-STD-461, and RTCA DO-160 testing. The company was acquired by Nemko to expand Nemko's U.S. testing presence.
Capabilities
Standards Tested
Certifications Offered
Industries Served
Facility
Multi-site laboratory: headquarters and product safety/reliability/hazardous locations labs in Round Rock, TX; EMC labs in Austin, TX including a 10-meter anechoic chamber with 12 ft turntable supporting 1,000+ lbs and power sources up to 200 A AC (single/3-phase) or 1000 A DC
Capabilities sourced from lab websites, A2LA scope documents, and public accreditation records as of April 22, 2026. Contact the lab directly to confirm current scope and availability.
Data verified from: ptitest.com, ptitest.com, ptitest.com, ptitest.com, ptitest.com, ptitest.com, ptitest.com, www.nemko.com, www.nemko.com, www.emc-directory.com
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