Private equity firm DC Capital Partners completed the investment in Revenue Solutions, a provider of public sector tax processing and compliance software. Financial terms were not disclosed. "RSI has all the attributes that we look for in a company - a proven and experienced management team, a highly skilled workforce with significant subject matter expertise, a portfolio of highly differentiated and innovative solutions, a brand that represents our goal of excellence, and a scalable platform for growth," Thomas J. Campbell, DC Capital Founder and Managing Partner.