A&B Security Group is well established and experienced with 25 years servicing Las Vegas. With the full range of security and protection systems at their disposal, A&B Security Group is truly a one-stop security company for any business or residential need. The company offers access control, alarm systems, locksmithing systems.

Lock Experts offers a variety locksmith services such as biometric locks, rekeying old locks, CCTV surveillance systems, ignition lock change, on-road assistance and car ignition keys.

National Security Technologies, LLC (NSTec) was formed in 2005 as a joint venture between Northrop Grumman Corporation, AECOM, CH2M Hill, and Nuclear Fuel Services. Each of these companies adds unique value to NSTec.

TopMaster Locksmith services motorists as well as residential and commercial customers in the Greater Las Vegas Valley. The company provides mobile emergency locksmith services for residential, commercial and automotive customers that include emergency lockouts, auto car lockouts of all makes and models, motorcycle locks, Marshall evictions, high security locks, digital locks, fingerprint locks, ombination locks and pick resistant locks.