Rock Gate Partners has acquired H3 Manufacturing Group in partnership with Ironwood Capital and H3's senior management team.H3 provides fabrication and machining services for various industries, including power generation, healthcare, aerospace, and defense.H3 operates three facilities in Illinois, offering a range of machining services such as laser cutting, sheet metal fabrication, and assembly.Rock Gate Partners invests in lower-middle-market companies, while Ironwood Capital makes investments in middle-market companies.