Dyess-Peterson Testing Laboratory, Inc. is a multi-discipline engineering
and technology firm specializing in construction materials testing,
environmental services, geotechnical services and engineering services.
Dyess-Peterson Testing Laboratory, Inc. is a small, woman owned business
staffed with highly trained professionals who are motivated to meet all
your testing and engineering needs. Dyess-Peterson Testing Lab is certified
by the State of Texas as a Historically Underutilized Business (HUB) and by
the Texas Department of Transportation as a Disadvantaged Business