Gray Control Automation, Inc. offers complete process automation service. They have been in business since 1995, servicing systems from 100 to 5000 I/O. GCAI carries all necessary insurance for industrial applications. The company maintains a base staff of key employees and can staff additional professionals to suit a client's needs. Specific areas of expertise include cryogenic air separation, oil refining, industrial and utility boiler controls and optimization, oil refining, chemical and petrochemical production, process troubleshooting and optimization, loop and system tuning, and system upgrades.