USMI was established in 1990 in Oakland, California. William Lim has expert knowledge and experience about digital systems and technologies. We specialize in low voltage technology such as digital CCTV, access, security systems, sound systems, etc. We are fully licensed, insured and bonded.

USMI is to consult, design and install systems and technologies to resolve a comprehensive security sysem issues. Our competitive pricing is combined with personalized service and customer satisfaction which sets USMI apart from our competitors.

If you have any security needs USMI can help! Contact us to receive a free consultation. We are excited to review any project (large or small). We want to work with you!

Sincerely,

William C. Lim, CEO