Sheldon B. Saidman

ShengdaTech, Inc. is engaged in the business of manufacturing, marketing, and selling nano-precipitated calcium carbonate (NPCC) products. The Company converts limestone into NPCC using its proprietary and patent-protected technology. ShengdaTech is the only company possessing proprietary NPCC technology in China. NPCC products are increasingly used in tires, paper, paints, building materials, and other chemical products. In addition to its broad customer base in China, the Company currently exports to Singapore, Thailand, Malaysia, India, and Israel. ShengdaTech was founded on May 11, 2001 and is headquartered in Shanghai, China.

Liberty AV Solutions, Inc. manufactures and supplies audio/visual products. Its services include sales and support contacts, tools and products selectors, reference materials and consultants corner. The company is headquartered in Colorado Springs, CO.

Roscoe Medical, Inc. manufactures wheelchairs, CPAP and home medical equipment. Its products include respiratory products, CPAP products, durable medical equipment, pain management, tracheal care, and asthma management products. The firm offers replacement parts and supplies for oxygen concentrators, liquid oxygen systems and compressed gas. The company was founded in 1993 and is headquartered in Strongsville, OH.