• Golden Gate Bridge, San Francisco, CA

    Golden Gate Bridge, San Francisco, CA

  • Li Ka-Shing Center for Biomedical Health Sciences, Berkeley CA

    Li Ka-Shing Center for Biomedical Health Sciences, Berkeley CA

  • Helios Energy Research Facility, Berkeley CA

    Helios Energy Research Facility, Berkeley CA

  • City College of San Francisco Community Health and Wellness Center

    City College of San Francisco Community Health and Wellness Center

  • The Infinity at 300 Spear Street, San Francisco CA

    The Infinity at 300 Spear Street, San Francisco CA

Quality is our cornerstone. Safety is our commitment.

ISI has been in the business of delivering exceptional special inspection and materials testing services in and around the San Francisco Bay Area for more than 17 years.

SBE / MWBE / DBE

Small Business Enterprise
Minority and Women Business Enterprise
Disadvantaged Business Enterprise