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About United Engineering Resources

Serving the Construction Industry for over 50 years.


Why UER?

The UER Family of Companies has been serving the construction industry for over 50 years. Our team of enthusiastic professionals provides value-added services in the disciplines of geotechnical engineering, environmental engineering, material testing and construction inspection. With offices located throughout Northern California we are able to effectively service projects through an extensive network of internal resources and accredited laboratory facilities.


UER has consistently ranked as one of the Largest Engineering Firms in the region by the local Business Journal, and was also the 5th Fastest Growing Company in the Sacramento Region in 2015.


Solutions for Any Project

Our markets include projects in the commercial office, hospitality, transportation, education, healthcare, civic and infrastructure market sectors. Our professional staff enhances the overall collaboration of all team members by insisting on an integrated project-based quality experience while maintaining traditional values in service and customer support. Whether your project requires Union labor or not, we’ve got a team that can serve you.

MatriScope Engineering Laboratories, Inc.
MatriScope was originally founded in 1995 and incorporated as MatriScope Engineering Laboratories, Inc. in 2003. As a wholly owned subsidiary of United Engineering Resources, Inc. (UER), MatriScope is a leader in providing professional services in the disciplines of Geotechnical and Environmental Engineering, Materials Testing, and Special Inspection Services, complete with fully accredited materials testing laboratories. Over the past 20 years, MatriScope has built a strong reputation throughout Northern and Central California for providing exceptional service through a proactive project management approach, innovative practices and a commitment to maintaining its traditional values.
Signet Testing Laboratories, Inc.
Signet Testing Laboratories, Inc. (Signet), headquartered in Hayward, CA since 1966, is a wholly-owned subsidiary of United Engineering Resources, Inc. (UER). 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. Signet’s inspection personnel are members of Operating Engineers Union Local No. 3.


Sandra Tadlock
Vice President
Kenneth Harms
Senior Vice President of Business Development & Corporate Strategy
Carla Collins
VP, Corporate Business Development
Ahmed Hamdy
Vice President of Business Development and Project Management
David Palermo
Chief Financial Officer
Randall Leong, P.E., G.E.
Sr. Geotechnical Engineer
Nicholas Nguy
Accounting Supervisor/Contracts