Doering engages in the design, manufacture, and distribution of hydraulic valve and pump products within the hydraulic and pneumatic sectors. The company provides products including air pilot operated valves, manually operated valves, and hydraulic pumps, which are used in various applications such as automation, mining, hydro-static testing, oil and gas, aerospace, nuclear, and sub-sea environments. It was founded in 1969 and is based in Clear Lake, Minnesota.

Mec-Con AB provides maintenance services for components within the process industry, heating power plants, energy facilities, paper mills, and the chemical industry. The company offers valve maintenance, pump service, and mechanical work, primarily serving sectors that transport media in various forms. Mec-Con includes mobile workshops that enable service upon connection to a power source. It was founded in 1980 and is based in Osby, Sweden.

Contro Valve specializes in providing valve solutions and instrumentation products for various industries. The company offers a range of products including safety relief valves, gas and flame detection systems, and process control equipment designed to enhance safety and reduce operational costs. Contro Valve primarily serves sectors such as food and beverage, government and institutions, mining and metals, natural gas transmission and distribution, nuclear power, pulp and paper, refinery and chemicals, thermal power, and waste water treatment. It was founded in 1977 and is based in Brossard, Quebec.

Dale Prentice Company provides flow and process safety management services in industrial and commercial sectors. The company offers services including industrial heat tracing systems, snow and ice management, explosion protection, and valve automation. They serve the power, petrochemical, refining, gas transmission & production, and mining industries. It was founded in 1926 and is based in Oak Park, Michigan.

Puffer-Sweiven specializes in process controls, automation, reliability, and safety within the industrial sector. The company offers a wide range of products and services including asset reliability solutions, control and safety systems, measurement instrumentation, operations and business management tools, solenoids and pneumatics, as well as valves, actuators, and regulators designed to enhance the efficiency and safety of process-intensive facilities. Puffer-Sweiven primarily serves the refining, chemical, oil and gas, and industrial gas industries with its comprehensive solutions. It was founded in 1945 and is based in Stafford, Texas.

Oventrop specializes in the production of high-quality valves and control systems for heating, ventilation, air conditioning (HVAC), and potable water systems. The company's main offerings include thermostatic heads, room thermostats, actuators, hydronic balancing systems, and various types of valves and stations for heating and cooling circuits. Oventrop provides products for potable water hygiene, heating oil installations, and smart home and building systems. It was founded in 1851 and is based in Olsberg, Germany.