David G. McKinstry

Hydraulic Institute, Inc. is an organization that specializes in developing industry standards for pumps and pump systems. The non-profit company is based in Parsippany, NJ. The company offers a variety of technical resources such as application guidebooks, online tools, and calculators to provide guidance and recommendations for pump users, manufacturers, and engineers.

Allis-Chalmers Energy, Inc. provided equipment to the oil and natural gas exploration companies. It operated through two segments: Drilling Services and Well Services. The Drilling Services segment provided international and domestic drilling, directional drilling, underbalanced drilling, tubular services, and rental services operations. The Well Services segment provided production services and valve manufacturing operations. The company was founded by Munawar H. Hidayatallah in 1913 and was headquartered in Houston, TX.

Imo Industries, Inc. manufactures rotary, positive displacement, screw, gear, and marine centrifugal pumps. Its products include 3-screw pumps, gear pumps and marine pumps. The company was founded in 1931 and is headquartered in Wilmington, DE.