Martin Theriault

Previan Technologies, Inc. develops and markets eddy current array technology. It offers current array, magnetic flux leakage, phased array and conventional ultrasonic, alternating current field measurement, remote visual inspection, and tube testing technologies. The company was founded by Martin Theriault in 2009 and is headquartered in Québec, Canada.

Eddyfi UK Ltd. designs, develops and manufactures advanced testing solutions. It specializes in non destructive testing inspection equipment provider for storage tanks, vessels and pipe work within the oil, gas and petro-chemical industries. The company was founded by Simon Packer in January 1983 and is headquartered in Swansea, the United Kingdom.

Part of Previan Technologies, Inc., Eddyfi Holding UK Ltd. is a holding company that develops and manufactures non-destructive testing equipment for storage tanks. The company is based in Swansea, UK and was founded in 2016.

Technical Software Consultants Ltd. designs, manufactures and supplies advanced instruments for non-destructive testing (NDT) of metallic structures. Its products are used to solve a range of inspection needs including defect detection, crack sizing, structural monitoring, load measurement, and stress mapping. The firm's technologies include Alternating Current Field Measurement (ACFM), an electromagnetic technique for detecting and sizing surface breaking defects in metals; Alternating Current Potential Difference (ACPD), a technique used primarily for accurate depth sizing and monitoring of surface breaking defects in metals; and Alternating Current Stress Measurement (ACSM), an electromagnetic, non-contacting stress measurement technology that can measure dynamic and residual stresses. The company was founded in 1984 and is headquartered in Wolverton Mill, the United Kingdom.

Eddyfi Europe SpA provides engineering and technical studies services. The company is headquartered in Les Ulis, France.