About Us

  • Established 1999
  • Small Disadvantaged Business (SDB) with Extensive Experience and Capabilities
  • CMMI-SVC Level 2 rating
  • ISO 9001:2015 Certified
  • DCAA Approved Accounting and Job Costing System
  • Total Management Commitment to Exceeding Customer Requirements
  • Strong Network of Established Relationships and Industry Partnerships

What makes S4 Different?


S4 Inc. excels with a lean management structure. Our size and corporate structure enable us to act and react rapidly to meet changing demands.


The S4 team employs a collaborative, cross-discipline approach to solving problems. This ensures that our plans are strategic, effective, and produce the desired results.


S4 Inc. uses extensive experience and expertise as a foundation to develop unique solutions¬† tailored to the client’s situation. We understand that you can’t apply a cookie cutter approach to every situation.

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