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US subsidiary of German TÜV Rheinland – product testing, certification, safety inspections, and training for industry.
Last updated: August 21, 2026
Karl Ehmer Quality Meat Products
Danbury, CT
Boehringer Ingelheim USA Corporation
Ridgefield, CT
Henkel Corporation
Stamford, CT
ebm-papst Inc.
Farmington, CT
Gen Re USA
Stamford, CT
Wittmann Battenfeld USA
Torrington, CT
MTU Aero Engines North America, Inc.
Rocky Hill, CT
Siemens Industry Inc
Cromwell, CT
Knauf Insulation North America
Shelbyville, IN
Schindler Elevators & Escalators in Northern New Jersey
Morristown, NJ
Hilti North America
Plano, TX
Sika USA
Lyndhurst, NJ
EDAG Engineering Inc.
Troy, MI
Siemens USA (Headquarters)
Plano, TX
TÜV Rheinland of North America, Inc.
Pleasanton, CA
Weidmüller USA
Richmond, VA