These customized welded steel enclosures are fabricated, machined and drilled at the factory to suit your needs. A wide range of sizes and options are available, and they are particularly suitable for use in the classified hazardous locations commonly found in the oil and gas industry. Local control stations for use in hazardous areas. • Designed for use in Zones 1, 2, 21 and 22 in the oil and gas industry; i.e. petroleum, chemical, refineries, and other industrial process facilities • Enclosures may be customized to house terminal blocks, and a large range of components; i.e. control units, breakers, starters, relays, meters, etc.