compaction testing

ALLWEST is a full-service professional engineering, environmental, and construction materials testing firm serving the Inland Northwest, with over 20 years of experience. Its team of engineers, environmental professionals, geologists, engineering technicians, and special inspectors assists design professionals and owners from project planning through final construction.

aggregate testingasphalt testingcertified weld inspectionconcrete testingconstruction monitoringlaboratory testingnon-destructive testingsoils testingspecial inspections

Grounded in science. Built for progress Geotechnical solutions that protect investments, people, and the future.Geotechnical services Learn more Special inspections Learn more Pavement engineering Learn more Municipal services Learn more Geological services Learn more Every decision supported by real geotechnical insight. From risk mitigation to smart foundations, we help progress move safely.Request a Proposal Services Geotechnical services Geological services Pavement engineering Special inspections Municipal services More Services Services Field Services Lab Services Geotechnical services Understand your site before it impacts your budget. We translate subsurface data into clear design guidance to reduce risk, avoid delays, and prevent costly surprises.Municipal services Build with materials you can trust. We validate performance in the lab and field to prevent rework and keep.

asphalt mix designCold In-Place Recycling designfault investigationgeotechnical investigationsliquefaction evaluationnon-destructive testing (UT, MT, PT)pavement designseismic hazard analysisslope stability analysiswelding inspection

Construction Materials Testing (CMT) was founded in 2001 by Doug Clement and is a geotechnical engineering and testing laboratory based in Des Moines, Iowa. CMT specializes in geotechnical design, Portland cement concrete (PCC), Hot Mix Asphalt (HMA), aggregates, and smoothness (profilometer) testing, and provides NDT testing such as visual steel inspections and forensic investigations. The lab maintains AASHTO and U.S. Army Corps accreditations.

drillingForensic investigationsgeotechnical designmix designNDT testingprofilometer testingrebound hammeringvisual steel inspectionsweld quality testing

EnGEN Corporation is a Service Disabled Veteran Small Business geotechnical engineering firm based in Temecula, California, proudly serving the Southern California community since 1993. It is a full-service geotechnical and geo-environmental firm providing professional quality assurance testing and inspection services for residential, commercial, and government projects.

3rd party observation and testingCaltrans certified laboratory testingdeputy inspectionsfault investigation and mappinggeo-environmental consultinggeophysical mappinggeotechnical engineeringmaterials testingpercolation testingquality control samplingseptic system designslope stability analysis