Ei Corporation

  • Consultant/Design & Construction
  • Engineering/Consulting
  • Engineers
2121 N. California Boulevard, Ste 290
Walnut Creek, CA 94596
(510) 507-1379
8AM to 5PM
  • About

    Ei Companies (Energy Inspectors, Ei Engineering, Ei Risk Management, Ei Design) service the Residential and Commercial construction industries offering Inspections, Engineering, Design, and Quality Assurance. We are a leading sustainability company in the US, certifying tens of thousands of properties for energy efficiency, water conservation and indoor air quality annually.

  • Whom to Contact