Acorn Growth Companies has acquired a majority stake in Robbins-Gioia, a management consulting firm that aims to help public and private sector customers modernize systems. "We see this partnership with Acorn as a key driver in the achievement of our vision to be the leader in delivering modernization and transformation for the federal government and similarly complex enterprises," said Brad King, CEO of Robbins-Gioia.

Oklahoma City-based private equity firm Acorn Growth Companies has acquired counter-unmanned aircraft systems platforms developer Black Sage Technologies for an undisclosed sum.

Donald DiFrisco, former CEO of International Surveillance Technology, has been named president of Telecommunications Support Services — a portfolio company of Acorn Growth Companies and provider of technical services to the defense electronics sector. DiFrisco said in a statement released Tuesday he aims to continue TSS’ efforts to innovate and modernize ground-based tactical radar and …