Sierra Group tackles the construction, maintenance, and security of different types of commercial facilities in Beverly Hills, Los Angeles, Pasadena, San Fernando, Santa Monica, Covina, Whittier, Torrance, and the vicinity. We provide tried-and-trusted commercial construction, facility maintenance, and electronic security services. Founded in 1996, we have years of experience in dealing with industrial and commercial Banks and Credit Unions, Fortune 1000 Companies of all sizes, as well as Federal and Municipal institutions. We boast numerous licenses including California Contractors Lic. (CSLB License #749452) and Alarm Co. Operator Lic. (ACOL #5382). From alarm systems to credit union construction, our goal is to deliver and maintain premium services.