History

Established in 1927 as Toledo Testing Laboratory, TTL Associates, Inc.
has grown to be a full-service environmental, testing, and geotechnical
engineering firm, serving private and public entities throughout the United
States.
Established under the leadership of Thomas R. Uhler, P.E., President and
CEO as a Service Disabled Veteran Owned Small Business and is EDGE
certified. TTL has grown to multiple locations throughout Ohio and
Michigan.