construction services in the nature of installing sectional garage doors and operators, rolling steel doors, high speed doors, dock equipment, windows, entry doors, hollow metal and aluminum doors and windows, hollow metal and aluminum storefront doors, automatic swing doors, automatic slide doors, and automatic swing and slide doors; control systems to provide access and security, security camera systems and access control systems, operators for opening and closing gates and for detecting gate position, including gate operators and detection systems, guardrails and safety gates, in-house vacuum systems; general constructor services, in the nature of framing and finishing residential and commercial spaces