About Us

Stewart Instruments, Inc. is the parent corporation of Sequential-Turn-Signals.com. We are a wholly-owned, family corporation, incorporated in Delaware and registered to do business in Arizona as a foreign corporation.

Corporate offices are located at:

Stewart Instruments, Inc.
PO Box 11929
Prescott AZ 86304

Since 1984, Stewart Instruments, Inc. has been an electronics hardware and software design and manufacturing company, specializing, under different DBAs, in a wide range of hardware and software solutions for the automotive and video production industries.

Stewart Instruments, Inc. sources raw materials from around the world, but relies exclusively on Fabrication, Assembly, Customer Service and Administration of its products within the USA.