Heider Engineering Services. is a complete service geotechnical engineering, material testing and special inspection company servicing the Southern California area. We are a DSA, OSHPD, and LA City approved laboratory and SBE-WBE certified.

Contact Details

  City Ontario, CA
  Zip Code 91761
  Address 800 South Rochester # A
  Phone Number (909) 673-0292

From Our Website

Heider Engineering Services, Inc. was acquired on June 1, 2015 by Engineering and Testing Services (ETS), headquartered in San Ramon, California. With 14 offices and nearly 500 employees servicing six states, ETS has the ability to assist our firm make the next leap. Our newly formed company, Heider Inspection Group, will continue at the same location with the same staff. We will provide more information, as we modify our webpage to reflect this change. Heider Inspection Group is managed by Dennis W. Heider, RCE and is involved in a wide variety of major construction projects.