K&R Security repairs, installs and maintains security, fire and burglar alarm systems for individual and commercial clients in the Bay Area. Please call its office for more information.
Sound & Signal provides integrated communications systems and low voltage solutions. Some of its products include fire alarm systems, audio/visual autonomous sound, campus communication and required testing. Sound & Signal works with engineers, architects and schools. It has several offices in Northern California to ensure timely support.
Concord Locksmith is a family-owned and -operated business that provides comprehensive security services for residential, commercial and automotive customers in Contra Costa and Alameda counties. Services can include sale and installation of locks, master key systems, safes, electronic access systems, panic hardware and door closers. Emergency lockout services also are available. Concord Locksmith also sells a range of self-defense products to individuals at least age 18, including pepper spray, stun guns, stun batons, air tasers and personal alarms.