David M. Marks

Titan Global Holdings, Inc. is a holding company, which operates in energy and telecommunication businesses. The company provides services through its subsidiaries. Titan Global Holdings was founded on March 1, 1985 and is headquartered in Dallas, TX.

Marine Growth Ventures, Inc. is a holding company, which engages in various marine industry operations. The company was founded by Frank P. Crivello on November 6, 2003 and is headquartered in Milwaukee, WI.

Tech Laboratories, Inc. researches, develops and offers software/hardware based networking systems. The Company's patented local and remote site management system known as DynaTraX enables an isolated troubleshooting network, reducing operational costs and increasing efficiency in monitoring and maintaining LAN and WAN connectivity. It also sells infrared intrusion detection and security systems. The company was founded in 1947. Tech Laboratories is located in North Haledon, NJ.

Uphonia, Inc. develops and distributes software services and deliver wireless devices. The company was founded on August 20, 1993 and is headquartered in Milwaukee, WI.

IVI Communications, Inc. provides Internet access services in the Western States. It is developing one of the first nationwide high speed Wireless Broadband Networks. The company was founded in September 1995 and is headquartered in Milwaukee, WI.

CTI Technology, Inc. provided electronic manufacturing services in the computer and telecommunications industries. The company was founded on December 5, 1995 and was headquartered in Springfield, MA.

eTotalSource, Inc. provides multimedia software and production, post-production services. It proprietary technologies provides innovative, cost-effective solutions to corporations, schools and governmental agencies that wish to develop and supply custom high-quality Web-based CD, and DVD multimedia presentations, educational or training. The company was founded by Terry Eilers on September 16, 1987 and is headquartered in Milwaukee, WI.