2014
United Engineering Resources, Inc. acquires Signet
Get to Know Us
Signet Testing Laboratories, Inc. (Signet) is a full-service engineering, construction inspection, and materials testing firm. We maintain a reputation for professional excellence throughout our long history in California and employ a veteran team of individuals with demonstrated industry excellence and customer service. The depth of our experienced team of professionals allows us to provide specialty resources to our clients.
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Celebrating 55 years!
1966
Signet Testing Labs, Inc. established in Hayward, CA
1980
Signet wins first major SF Bay Area project: Moscone Convention Center
1995
The Parker family acquires Signet
1998
Signet acquires Terratech Group
2005
Signet expands operations to 10-locations within California and over 200-employees
1990
Signet acquires United Inspection & Testing
1997
Dames & Moore acquires Signet
1999
URS Corporation acquires Dames & Moore with Signet
2014
United Engineering Resources, Inc. acquires Signet
Committed to Excellence
Signet's years of experience in the Testing and Inspection industry have been built on meaningful relationships, trust, and accountability. These values and dedication to excellence guide us to continually provide the highest quality services to our clients.

1997

Safety
Today’s intensified fast-tracked projects challenge all parties to maintain a safe worksite. As your quality representative on the job, we set the bar high for safety. Our exemplary safety culture is integrated into our business approach and brings an immense value to any project. Our management personnel are OSHA-certified in Construction Safety and Health, as this is the foundation of how we work in the field, at our sites, in our offices and laboratories. With a remarkable record with over 1.4 million exposure hours without a lost time incident; Signet received the URS Presidents’ Award in 2013 (3 years in a row) and the Southern California Contractors Association Award for Excellence in Accident Prevention in 2013.
Signet acquires Terratech Group
1995
Certifications












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