PLC Concepts is a control engineering and system integration firm that caters to clients in the Springfield metro. It develops custom software for the automation needs of companies, helping simplify and improve their business operations. It specializes in positioning systems, winder control systems, programmable logic control, human-machine interface, supervisory control and data acquisition, and custom programming. The agency's team handles projects from conception through implementation. PLC Concepts was launched in 1999 by Jeffrey Turcotte, who has over 17 years of experience in programming and controls.