Harrington Group Inc

Patterson & Dewar Engineers in an engineering firm based in Norcross, Ga. The professional engineering service maintains electrical, civil and testing departments. Services include substation design, associated protective relaying, distribution analysis and planning and rate analysis. Additional services include load forecasting and management, custom digital mapping, sectionalizing, capacitor studies and SCADA system design. Patterson & Dewar was founded in 1947, providing civil and electrical engineering and surveying for rural electrification program in towns and farms in the South. The engineering firm works with electrical cooperatives, municipalities, industrial companies, state and local governments and residential and commercial developers. The company has a 30-year continuing business relationship with the Atlanta Airport Engineers and Georgia Power Company.

Varec provides a range of tank gauging instrumentation and fuel management systems in the petroleum and chemical sectors. It serves clients in the aviation, defense, and oil and gas sectors. The company offers tank gauging maintenance, installation and inspection services. Varec provides system architecture design and software development services. In addition, it offers project management and scheduling services. The company conducts site surveys, as well as provides on-site consulting services. Varec offers data acquisition and inventory and order management services. It provides tank gauge transmitters, temperature sensors, displays and monitors. The company offers 24-hour emergency assistance and technical support services.