Mike Ritzenthaler

Castlelake LP (Castlelake) is a private equity firm founded in 2005 by Rory Joseph O'Neill and Evan Andrew Carruthers. The firm is headquartered in Minneapolis, Minnesota.

American Equipment Co., Inc. is a global supplier of vehicles, construction equipment, tools, support services, and asset management solutions. Its services include construction site services and equipment distribution and fleet services. The company was founded in 1947 and is headquartered in Greenville, SC.

Abengoa Bioenergy Corp. produces and markets fuel and industrial-grade ethanol. It operates fuel plants in the United States and Europe. The company was founded in 1980 and is headquartered in Chesterfield, MO.

NatureWorks LLC manufactures plastics and fibers from renewable resources. It provides commercial applications in the areas of fiber and nonwovens, films, extruded, and thermoformed containers. The company was founded by Patrick R. Gruber in 1997 and is headquartered in Plymouth, MN.

Piper Sandler & Co. (Broker) (PSC-Broker) is the full-service brokerage division of Piper Sandler & Co., a financial service firm headquartered in Minneapolis, Minnesota. They are a subsidiary of Piper Sandler Companies (NYSE: PIPR). The firm was founded in 1969 and previously known as Piper Jaffray & Co. They became Piper Sandler & Co. when Piper Jaffray Companies and Sandler O’Neill & Partners, L.P. merged to become Piper Sandler Companies in 2020. PSC-Broker provides brokerage and investment banking services to financial institutions, corporations and other financial investors. Their core focus sectors are Agriculture, renewables & cannabis, Business services, Chemicals & Materials, Consumer, Diversified industrials & services, Energy, Financial services, financial sponsors, Healthcare, and Technology.