TIE/CR2 Engineering is an unbiased, professional, consulting engineering firm specializing in electronic security and access control, video surveillance, fire alarm, mass notification, network infrastructure and media distribution, audio visual, acoustics, theater design, communication, healthcare and life safety systems. TIE Engineering is a WBE certified firm. Our uniquely experienced team is focused on the Owner’s best interest by providing design solutions that consider the overall functionality of a facility or campus, and integration of building systems to best support short and long term needs, cost of ownership, and operational efficiencies. CR2 Engineering designs low voltage building systems that have a purposeful and positive impact on people.