Welcome to31systems.com!

Three One Systems International, Inc. is an management system consultation & IT service provider to customers in Chicago and N.Y. Area.

Our goal is always customer's satisfaction.

日本語パンフレット（brochure in Japanse)

Cost management & SCM consultation

Cost management & SCM are keys for growth of manufacturers and relaters.31Systems has hands-on experiences of designing management system for cost and supply chain as well as system implementations in the areas.

IT internal control

31 systems is a resource of SOA404 compliance, IT risk assessment, and Business continuity planning

Any help on IT network PCs? 31systems responses immediately to your problems and fixes remotely or on-site.

Network, cloud computing, and server installation.. 31systems setup and keeps running them.

If you need manpower temporary for projects, please contact us. 31systems sends our experienced technical staffs to your site to meet your needs.