ABOUT US> OUR CLIENTS> Engineers

As an expert in chemical engineering of soils utilizing quicklime, cement and fly ash, HSI provides sub-consultant services to the engineering community. Our specialty services provide a unique perspective to the design team. We offer huge potential values to the client through our innovative approach to cost and constructability benefits.

  • Arcadis
  • Azari Engineering
  • Bechtel
  • Berlogar Stevens & Associates
  • Central Valley Testing
  • Cornerstone Earth Group
  • CSG Consultants
  • Earth Systems Pacific
  • Engeo
  • ERS Corporation
  • Fugro Consultants
  • Geocon Consultants
  • Harris & Associates
  • KC Engineers
  • Kleinfelder
  • Laco Associates
  • Mark Thomas
  • Miller Pacific
  • Moore Twining Associates
  • Ninyo & Moore
  • PARIKH Consultants
  • Pavement Data Group
  • SMG
  • Sousa Engineering
  • URS Corp.