Companies that manufacture, market, and distribute basic materials, industrial products, chemicals, as well as machinery and equipment.

Companies that design, manufacture, market, and/or distribute fluid control equipment (including pumps, seals, valves, and related products) used for water works, municipal water systems, and similar fluid control activities.

Companies that provide electric power, natural gas, steam supply, water supply, and sewage removal through a permanent infrastructure of lines, mains, and pipes.

Companies that design, manufacture, assemble, market, distribute, and/or lease machinery and equipment (lighting equipment, agriculture machinery, commercial hardware, fastener equipment, construction machinery, electrical machinery, food service and food retail machinery, industrial automation and industrial control equipment, pumps, valves, seals, fluid control equipment, as well as safety and security equipment).

Companies that design, manufacture, and market fluid control equipment (including pumps, seals, valves, and related products) used for water works, municipal water systems, and similar fluid control activities.

Companies that own, operate and produce and/or distribute steam, heated or cooled air. The companies' activities include cooling, heating, filtering and dehumidifying the air in hot, corrosive, dusty, hazardous and other harsh industrial environments, as well as other air-conditioning services.