BillPro Management Systems Inc. - Offers a variety of billing, information and management services to the medical community. Providian Medical - A full service refurbished 3D ultrasound machine equipment sales and service company, providing used transducers, probes and portable systems to the healthcare industry. Dawnchem - Specializing in sanitary maintenance supplies and equipment. Hupp Tax Service - Specializing in tax returns, electronic filing, bookkeeping, financial statements, and tax planning strategies. Cala's Pizzeria and Restaurant - Offering casual family dining, carry-out, delivery, and catering. Includes menu and specials. DC Tech Pro - Provides computer technical services to small and medium businesses. MarinerTek - Provides web site design, e-commerce and software development services for businesses in the greater Cleveland area.