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Established in 1948, Kepner Products Company is a designer and manufacturer of control valves for liquid and gas. The company offers a wide range of valves, including check, relief, shuttle and pilot operated check. It provides its valves with a wide choice of end configurations as well as materials that ranges from micro-mini to 500 GPM in size and pressure ratings to 6,000 PSI. Kepner Products Company serves a wide variety of industries, such as power generation, agriculture, medical equipment, chemical processing, printing, transportation, robotics, heating, ventilating and air-conditioning (HVAC) systems and many others.

Keeley Construction specializes in construction, development and tenant improvement services. Founded in 1978, it offers conceptual planning and design, preliminary estimation, project management, site layout, historical restoration and structural improvement services. The company provides project consulting services. It undertakes several residential, commercial, institutional and industrial projects. Keeley Construction has offered services for various clients, including ProLogis, Venture One, The Westye Group and Ridge Property Trust. The company has a staff of trained and certified employees who provide maintenance, customized design, renovation, preconstruction and general contracting services. It additionally offers project consulting and customer support services. Keeley Construction is located in Villa Park, Ill.