William C. Mattison

Powertrusion International, Inc. designs, manufactures and markets composite infrastructure products. Its products include utility distribution poles, cross arms and lighting poles. The company was founded in 1974 and is headquartered in Gardnerville, NV.

Possis Medical, Inc. develops, manufactures and markets innovative medical products such as disposable catheters. It engages in the development, manufacturing and marketing of medical devices for the cardiovascular and vascular treatment markets. It's primary product is AngioJet Rheolytic Thrombectomy System, a nonsurgical, minimally invasive catheter system used for blood clot removal from native coronary arteries, leg arteries, coronary bypass grafts and AV dialysis access grafts. The company offers its system to interventional cardiologists, interventional radiologists, vascular surgeons, nephrologists and osteopaths. It also offers XMI, XMI-RX, XMI RX +, Spiroflex, XVG, Xpeedior, DVX and AVX line of catheters. The company was founded in 1952 and is headquartered in Minneapolis, MN.

Founded in 2000 by Jed Cohen and Timothy Wahl, GKM Advisers, Inc. is a mutual fund manager and registered investment advisor located in Los Angeles. The firm is a subsidiary of First Western Financial, Inc. They manage discretionary accounts and serve as the investment advisor to the GKM mutual funds.