Roy E. Karnes

Southwaste Services, Inc. engages in provision of liquid waste management. Its services include collection and processing of brown grease (grease trap waste), municipal sludge, domestic septage, grit (car wash and water treatment residuals), and lint (laundry facilities). The company was founded by Darrell Rogers in 1948 and is headquartered in Houston, TX.

GulfStar Merchant Banking Ltd (GulfStar Merchant Banking) is a private equity subsidiary of GulfStar Group, Inc founded in 1990 by Kent Kahle, Thomas M. Hargrove and Steve A. Lasher. The firm is headquartered in Houston, Texas.

Tideland Signal Corp. manufactures navigation equipment and solar electric generators. Its products include Lanterns, Buoys, Radio Aids, Audible Aids, Monitor and Control, Offshore Wind Farms, Offshore Platform Systems, Power Sources, GRP Towers, Unitized Systems and Control Systems. The firm manufactures marine aids-to-navigation, for developing equipment to high performance specifications and to withstand harsh marine environmental conditions, as well as providing specialized aids-to-navigation equipment to the offshore oil and gas industry. The company was founded in 1954 and is headquartered in Houston, TX.

GulfStar Group, Inc. operates as a middle market investment banking firm that provides advisory services. Its services include mergers and acquisitions, private placements, and financial advisory services. The firm serves entrepreneurs, family-owned businesses, corporations and private equity firms. The company was founded by Stephen A. Lasher, Thomas M. Hargrove and G. Kent Kahle in 1990 and is headquartered in Houston, TX.

Rotan Mosle, Inc. provides investment banking and securities brokerage services.

Geosource, Inc. provides land re-vegetation and reclamation services.