The AS400 is a mini computer that was developed by IBM for business users. The AS400 was first introduced in the 1980's and because of its quality and cost-effectiveness it is still a mainstay in American business. There have been many updates and upgrades to the AS400 to help keep pace with the ever changing computer environment. With over 25 years of experience Greatwoods Group can customize your AS400 system perfectly to fit your business's needs.