Special Inspection – Material Testing – Geotechnical Engineering “Excellent Service, Exceptional Value” With over 20 years in the industry, Twining Consulting, has the project experience and industry resources to provide the most cost-efficient testing, inspection and engineering services in California. TC currently has five laboratory locations conveniently located throughout the San Diego, Orange, Sacramento, Riverside, …

Construction

Twining

Co-CEOs

Robert M. Ryan

Edward M. Twining

Monir Ibrahim P.eng

Darren Davis

Amir Ghavibazoo

Liangcai He

Boris Stein

Linas Vitkus

Randy Saunders

Conor O’Dowd

Meredith Strow

Sammy Daghighi

Andrew Falkenburg

Shawn Tibbits

Eugene Raymundo

Amy M. Owens

Mariel Attento

Steven D. Schiffer

Leadership Team

Teams at Twining

Leadership Team