Jeffrey Declar Hart

Quest Technology Ventures LLC (Quest Technology Ventures) is a private equity and venture capital firm founded in 2005. The firm is headquartered in Bridgeview, Illinois.

BioBlend Renewable Resources LLC manufactures and markets biobased lubricants. Its products included Bioflo FG, Biocut FG, Bioblend MP, Sylube COFG and Trugrease FG . The firm provides its services to the drilling, mining, construction, agriculture, marine, food processing and government sectors. The company was founded by Jeff Hart in 2001 and is headquartered in Elk Grove Village, IL.

Ringleader Ventures LLC (Ringleader Ventures) is a venture capital firm founded in 2013 by Maddock Mike and Mike Bechtel. The firm is headquartered in Chicago, Illinois.

FuelQuest, Inc. provides on-demand supply chain management, tax automation and compliance solutions for suppliers, distributors, buyers and traders of petroleum products and other energy commodities. The company was founded by Rich C. Cilento Jr. in 1999 and is headquartered in Houston, TX.

Oilspot.com, Inc. operates a B2B marketplace for the petroleum industry. The company was founded by Jeff Hart and is headquartered in Chicago, IL.

RelaDyne, Inc. engages in the distribution of equipment reliability products and value added services, including reliability services, custom blending, and wireless tank monitoring. It serves the automotive, commercial, and industrial markets. The company was founded on November 4, 2010 and is headquartered in Cincinnati, OH.