Techmaster Electronics Inc. Acquires Rothe San Antonio Calibration

Techmaster Electronics Inc. Acquires Rothe San Antonio Calibration, Bringing 50 GHz RF, 100 kV Electrical & Clean-Room Services to Texas

Vista, CA & San Antonio, TX – July 8 2025, Techmaster Electronics Inc., the veteran-owned leader in ISO/IEC 17025 accredited calibration, today announced the acquisition of Rothe San Antonio Calibration (RSAC). Effective immediately, the 4614 Sinclair Road lab and its entire ASQ-certified team become part of Techmaster’s coast-to-coast network.

The deal instantly widens San Antonio’s accredited scope. It now covers RF & microwave to 50 GHz, high-energy electrical to 100 kV, and ISO 14644 clean-room mapping. In addition, customers get five-day standard turnaround with a 24-hour rush option. Surge capacity is available across 10+ Techmaster labs in the U.S., Mexico, Vietnam, and Thailand. Every certificate is accessible through a single 24/7 digital certificate portal.

“This fusion pairs RSAC’s 40+ year legacy with Techmaster’s global horsepower, giving manufacturers one provider for GHz-level bandwidth, high-voltage, and audit-proof compliance, without changing a single point of contact,” said Michael Lynch, President & CEO, Techmaster Electronics Inc.

All existing quotes, purchase orders, and certificates remain valid. For consolidated capability statements or immediate service, contact Techmaster Electronics Inc. – San Antonio Lab at (210) 648-3133.

What changes for San Antonio customers

• Same lab, same people. The 4614 Sinclair Road facility and its ASQ-certified team stay in place, so your point of contact does not change.
• Wider accredited scope. RF & microwave calibration to 50 GHz, high-energy electrical calibration to 100 kV, and ISO 14644 clean-room mapping are now available locally.
• Faster turnaround. Five-day standard service, with a 24-hour rush option when downtime matters.
• Surge capacity. Overflow work can move to other Techmaster labs, so large or seasonal workloads do not stall.
• One certificate portal. Certificates for every instrument are available 24/7 through the Techmaster digital portal.
• Paperwork continuity. Existing quotes, purchase orders, and certificates issued by RSAC remain valid.

About Techmaster Electronics Inc. Founded in 1989, Techmaster Electronics Inc. provides accredited calibration, repair, and test-equipment services to aerospace, defense, medical-device, semiconductor, and industrial innovators worldwide, with laboratories across North America, Mexico, Vietnam and Thailand.