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Sierra Group handles the construction, security, and maintenance of different types of commercial facilities in Torrance, Los Angeles, Beverly Hills, Pasadena, Whittier, Santa Monica, and beyond. Ever since 1996, we have been providing dependable commercial construction, facility maintenance, and electronic security services. We boast significant licenses such as Alarm Co. Operator Lic. (ACOL #5382), AZ Contractors Lic. (ROC #269174), and California Contractors Lic. (CSLB License #749452).

As a trusted contract security agency, Allied Universal® is more than just a service provider. We become an extension of our clients' teams - one they can rely on for proactive protection and responsive service. Our commitment to clients includes understanding the needs of each facility, delivering custom solutions and hands-on management, and implementing best practices learned from more than 60 years of experience serving North America.