Mechanical contractors serving Atlanta's commercial and industrial air-conditioning, controls and process piping needs. United Maintenance is comprised of mechanical contractors serving Atlanta's commercial and industrial air-conditioning, controls and process piping needs since 1974.

Lighting design company offering architectural lighting and daylighting design. Offices based the UK, Japan and Dubai.

Commercial construction and service. Offers a variety of services for the commercial community electrical contracting, data and telephone cabling systems.G & C Electric, Inc. specializes in Commercial electrical ground up and tenant improvements. We also install fiber optic and data network cabling Local Area Network (LAN), and telephone cabling systems. Our work is performed by certified, licensed electricians with a can-do attitude.

Repair, re-model and new construction for high, medium, and low voltage distribution, power, lighting and special systems in commercial, industrial, institutional and residential facilities.