Historically, we have been a premier provider of professional services providing implementation, development and project management expertise for the BASE24™, BASE24-EPS™, On/2™, OpeN/2™, Postilion™, and ADVANTAGE™ families of payment application products. 

STJ’s focus is on the payment industry providing support services for a wide range of platforms, from enterprise platforms like IBM® zSeries and HP NonStop, to open UNIX, Linux® and Windows® platforms.    

We are a company comprised of experienced payment professionals who have been there and have done it for Merchant Acquirers, Financial Institutions, Processors and Card Associations.  We stand by our reputation and success in the industry.  Our customer know; we know payments.

STJ, Inc

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STJ, Inc

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