E-III Synergy, LLC (E-III Synergy) is a Joint Venture (JV) made up of three small businesses to serve the needs of Defense Information Systems Agency (DISA) and other Department of Defense agencies. The members are Harmonia Holding Group LLC, who is the managing JV partner, eTRANSERVICES Corp., and Sealing Technologies, Inc (SealingTech). Harmonia is a Woman-Owned Small and HUBZone-qualified Small Business, eTRANSERVICES is Service-Disabled Veteran-Owned Small Business and HUBZone-qualified, and SealingTech is Veteran-Owned Small Business. E-III Synergy thus offers the government a very stable set of companies that bring significant depth of technology talent in Information Technology (IT) solutions, services, and support.

The expertise of E-III Synergy covers most areas of IT, including integrated solutions management, requirements analysis, business process reengineering, information and knowledge management, custom application development, integration test and evaluation, asset management, network support, cyber security, web services, operations support, and cloud services. Listed below are the members of E-III Synergy and links to their web sites.