For more than 40 years, Stresstech has developed and manufactured non-destructive testing equipment and measurement services that reveal residual stress, heat-treatment changes and grinding damage in manufactured components. Founded around Barkhausen noise technology, the Finland-headquartered group now supports customers through offices in Germany and the United States, with systems ranging from production-line inspection to laboratory analysis. Its Stresstech Oy operation is ISO 9001:2015 certified, while affiliated laboratories in the United States and Germany hold ISO/IEC 17025 accreditation.
ISO 9001:2015
certification
ISO/IEC 17025:2017
certification
ISO/IEC 17025:2018
certification
ABB Robotics Value Provider
compliance_program
Institut Dr. Foerster GmbH & Co. KGSince 1948, Institut Dr. Foerster GmbH & Co. KG has developed and manufactured systems that make hidden material conditions visible, specializing in non-destructive testing, metal detection, and magnetic-field measurement. From testing metal semi-finished products to detecting ordnance and inspecting industrial components, FOERSTER combines engineering expertise with worldwide service and a 24/7 support process. The company describes itself as family-owned and operates an ISO 9001-certified quality management system.334519PITTSBURGH, PA
NDT International, IncOperating under the same ownership and at the same location since January 1971, NDT International, Inc. designs and supplies nondestructive testing instruments and provides related technical services. The West Chester company began as a manufacturer’s representative and supplier of ultrasonic personnel, later developing patented monitoring equipment and instruments used by nuclear facilities and the U.S. Navy. Today it pairs its own U.S.-made ultrasonic gauges and flaw detectors with equipment from more than 20 partner companies, along with calibration, consulting and inspection support.334519WEST CHESTER, PA
StrainopticsFounded in 1985 by photoelasticity expert Alex Redner, Strainoptics manufactures non-destructive optical stress-measurement instruments for the glass and plastics industries. From its facility outside Minneapolis, the company also trains customers worldwide, provides technical support, and calibrates and repairs polarimetry equipment from any manufacturer. Its GASP® polarimeter, introduced in 1990, is an internationally recognized standard for measuring surface stress in tempered and heat-strengthened glass.NORTH WALES, PA
INNOVATEST Europe BVFrom its Maastricht headquarters, INNOVATEST Europe BV designs and manufactures hardness-testing machines for metals, plastics and other materials. The company traces its industrial history to 1890 and has focused exclusively on hardness testing since 2008, producing and quality-assuring its systems in the Netherlands for customers in more than 80 countries. Its equipment supports work ranging from laboratory research to production and in-line quality control, with ISO 9001 certification and a global service network.HORSHAM, PA