PLCs Plus, located in Bakersfield, California is an industry leader in Programmable Logic Controllers (PLC), Human Machine In ... terface (HMI), Supervisory Control and Data Acquisition (SCADA). Our services span the control systems spectrum, from end-device to the corporate database. We offer: •Design, inter-connection and configuration of PLCs, & DCS systems •PLC programming •HMI and SCADA system design •Database solutions •Preventative maintenance •Specialty applications read more