Seismic Switch, Inc. is a family-owned and operated business. Our chief designer Larry Miller invented the industry standard CHV-1 Seismic Switch and has spent the last five years developing the CHV-2. We have been in business for over 30 years and offer unparalleled products and customer service. Our father-daughter team brings the best of both worlds with old-fashioned customer service and attention to new technologies and modernization. We offer lifetime technical support and maintenance for all of our products. We pride ourselves on manufacturing our products in the United States.

  • David is the CEO and has been with Seismic Switch for over 35 years. He studied engineering at the University of Michigan and has a Bachelors degree from Sonoma State University and can answer any question about Seismic Switches and elevators that you can think of. David is a member of Earthquake Engineering Research Institute (EERI). David holds the institutional knowledge of our company.
  • Leah is the President and has been with Seismic Switch for 12 years. She has a Bachelors degree from UCLA and MBA from the University of San Francisco. Leah manages the day-to-day operations of the business and does everything from the accounting to inventory to purchasing.