Reliant Testing Engineers, Inc.

Denise DeGroff-Coffey

Ms. DeGroff-Coffey has more than 35 years’ experience in both the private and public sectors of the construction industry. She has worked in project management, field supervision and senior corporate management. Ms. DeGroff-Coffey is well versed in providing support and review of project correspondence and field reports for compliance with project plans, specifications, the California Building Code (Title 24), and the Uniform Building Code. Ms. DeGroff-Coffey has both a strong practical background in this very technical field, as well as a sharp focus on client relationship management. This unique blend of skills has resulted in Reliant’s very loyal client base. In addition to overall operational responsibilities of the firm, she leads the company’s growth initiative.

s. DeGroff-Coffey also leads Reliant’s focus on giving back to the community. Reliant’s involvement reaches from pro bono services for fire training facilities, Habitat for Humanity, HomeAid OC, The Blue Heart International to end human trafficking, Fairway to the future – Sutter Hospital, CASA, Freedom Writers and The Military Children’s Charity.

Relationships Built to Last

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  • ACI Field Technician
  • Radiation Safety Officer
  • Nuclear Density and Moisture Operator


  • Member, American Concrete Institute
  • Member, California Council of Testing & Inspection Agencies
  • Member, Sales Marketing Professional Services (past board member)
  • Member, NAIOP


  • Reliant Testing Engineers, Inc.,  President 2004 – Present
  • QAI, Inc., President 2001 – 2004
  • Twining Laboratories, Inc. Executive VP 2000 – 2004
  • Bernards Brothers, Construction Manager 1999 – 2000
  • Master Development Corp, Project Manager 1996 – 1999
  • Robby Gordon/Derrick Walker Racing, P.R. 1993 – 1996
  • Arciero Brothers, Inc., Project Engineer 1983 – 1993

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