ESI's commitment to you, our customer:  "ESI Services combines the most experienced team with the best-in-class modernization technology to make every engagement a  success.  We guarantee our on-time, on-budget deliveries!"  
Dave Murphy, Managing Partner - ESI Services
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Legacy Modernization & Products

Outsource or augment your COBOL maintenance for Unisys or PC COBOL systems.

Our experienced programmer-analysts offer you preservation of your critical business logic and can integrate new tools and technology to augment COBOL applications.   More...


Mpact COBOL Development Suite automatically develops complex client-server programs.

Your best choice for the maintenance and improvement of your COBOL applications is Mpact.  Mpact gives you the benefits of the latest technology (including Windows and Web client interfaces, and connects to DMSII, SQL, Oracle and other databases) while maintaining your solid foundation of business logic in its original form. .   More...  

Modernization Services

Migrate your Unisys LINC to open systems with tools and services from MSS.

Best in class migrateLINC! from MSS produces the highest quality results for the lowest price available with the freedom to run with whatever hardware or software best suits your business.   More...


Migrate your Unisys COBOL systems to open systems COBOL, Java or .NET!

Using the best-in-class 100% automated migration tools, such as MSS' migrate!COBOL, we provide the fastest and safest transition to Windows or Linux for your critical COBOL systems.    More...