NEW YORK–(BUSINESS WIRE)–RF Investment Partners, a leading growth capital investor, is pleased to announce a new platform investment in RJ Underground, Inc. (“RJU”), a Kenosha, Wisconsin-based provider of horizontal directional drilling, hydro excavation, and specialty utility installation services. Founded in 1996, RJU provides specialized trenchless installation and maintenance services for critical water, sewer, and utility infrastructure across Wisconsin, Illinois, and Indiana. The compan