Established in 1998, SigmaXL Inc. is a leading provider of user-friendly Excel Add-ins for Lean Six Sigma graphical and statistical tools and Monte Carlo simulation. SigmaXL has over 100,000 users in more than 180 countries. Customers include market leaders like DHL, FedEx, Hanes, Motorola, NASA, Sonoco, Southwest Airlines and Tyson Foods. SigmaXL software is also used by numerous colleges, universities, and government agencies.