About Us

Providing an end to end solution for critical environments in today’s electronic and on demand world.

Our Company

Established in 1985, SEI is an Electrical and Data Systems contractor committed to providing exceptional service in critical environments. SEI has grown to be one of the Bay Area’s most reputable Electrical and Communications contractors due to the quality of our workmanship as well as our ability to effectively deliver a complete package.

SEI takes pride in our reputation for responsiveness and on time project completion. We can accommodate all of your electrical installation needs and offer full construction, design/build, and service capabilities. Our staff of Electrical Professionals can work with you to provide the most efficient project solutions with the highest quality electrical systems for projects large and small.

What We Do


Each project is evaluated for design alternatives and enhancements to provide you with the highest level of efficiency and quality at the lowest cost.


One of the Bay Area’s most reputable Electrical and Communications contractors, SEI specializes in critical power installations for today’s electronic and on demand world. Markets we serve include data centers, clean rooms, manufacturing, industrial applications, Pharmaceutical.


We take pride in our workmanship and are committed to providing a level of service that exceeds industry standards. Our electricians are trained to provide outstanding workmanship that is guaranteed with a labor and installation warranty of one year.

Customers We Have Served

appleAmazonPandoraGoogleChevronEquinixGILEADFacebookComcastMarketoLevel3Tesla MotorsQTS Data Centers365 Data Centers