Expertise Needed: Step Into the Role of Maintenance Technician. Pine Lake Corn Processors (PLCP). is hiring a. Maintenance Technician. in Steamboat Rock, IA. As. Maintenance Technician. you will provide safe, quality, and efficient equipment maintenance and repair at the location. Pine Lake Corn Processors. a subsidiary of Innovative Ag Services, provides 80-million-gallons of domestically produced renewable fuel, in the form of ethanol, to our r...