Simpson Thacher represented New Mountain Capital in connection with its majority investment in RRC Companies. The transaction closed in the second quarter of 2026.
RRC Companies is a leading multi-discipline engineering and technical services firm focused on utility-scale renewable power generation, providing integrated engineering, SCADA systems integration, and specialized field services for solar, wind, battery energy storage, and broader power infrastructure projects, serving a diversified base of leading asset owners, developers, and contractors.
The Simpson Thacher team included Matt Rogers, Jeffrey MacDonald, Bret Johanneson and Maggie Sternberg (M&A); Andrew Blau, Alan Fenyes and Mtume Sangiewa (Executive Compensation and Employee Benefits); Andrew Purcell, Adam Hersch and Roberto Arza (Tax); Caroline Geiger, Kate Mirino, Margerite Blase and Isabella Gonzalez (Intellectual Property & Data Privacy); Christopher Brown, Ben Persina, Gordon Lee and Cecilia Poston (Credit); Krista McManus (Real Estate); Peter Guryan, Kelly Karapetyan, Richard Jamgochian and Nathaniel Bronstein (Antitrust).