TechEng Designs, a division of Neal Blackburn Management Services, Inc. was incorporated in 1991 and is a technical design company addressing the market niche of technical and engineering software for Windows 95, 98, 2000 and NT 3.51+. Software products include: Stack Gas Emissions Calculations, Flow Calculations for Liquids, Tank Surface Area Calculations, Orifice Diameter Calculations, Tank Capacity Calculations, Units 95+ for engineering & environmental conversions and TracTimer (Tracking Your Time). Our products have been purchased by large and small engineering/contractor firms, manufacturing companies, university chemical engineering departments, and individuals in Canada, U.S.A., England, Germany, Belgium, Hong Kong, Israel, Australia and Kuwait. A customer list is shown in our website http://www.eng-applications.com