About Us

PQSI is now a wholly owned subsidiary of American Circuits, Incorporated (ACI) located in Charlotte North Carolina, who has produced Coil-Locks with robotic accuracy from day one. We build each component into the Coil-Lock assembly with consistent accuracy every time for increased product reliability and effectiveness and commercial power conditioning solutions.

PQSI/American Circuits, Inc. is located in Charlotte, North Carolina. We just opened our brand new facility in Charlotte to consolidate our two existing facilities. With 45,000+ square feet of production space designed for adaptability and future expansion, we can shift production sequences, reallocate resources, and increase capacity to help our customers meet their requirements in a dynamic business environment.

American Circuits, Inc. is ISO 9001 Certified and ITAR Registered.

Our Production Facility is located in Charlotte, NC.

10100 Sardis Crossing Dr.

Charlotte, NC 28270


service@PQSI.com or ACI@americancircuits.com

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