BaseRock Partners is pleased to announce that it served as the exclusive financial advisor to ESCO Construction Company (“ESCO”) on its sale to ESS Companies (“ESS”).
BaseRock guided ESCO through the entire sell-side M&A process, from initial evaluation of exit alternatives and strategic positioning to marketing, buyer selection, diligence management, and transaction negotiation.
Based in Evergreen, Colorado, ESCO Construction Company is a heavy civil contractor known for delivering complex private and public works projects across Colorado and the surrounding region. With expertise in earthwork, underground utilities, and concrete, and a team driven by a culture of innovation, integrity, and performance, ESCO has built a reputation for delivering high-quality results on challenging infrastructure projects.
ESS Companies is a leading Midwest infrastructure contractor united by employee ownership and a commitment to delivering best-in-class infrastructure solutions. Supported by its employee stock ownership plan (ESOP), ESS focuses on building communities through a broad range of heavy civil construction services and self-performed work.
The strategic combination of ESCO and ESS brings together two dynamic organizations with complementary capabilities and shared values. The transaction enhances ESS’s service capacity and geographic reach while providing ESCO’s employees with employee ownership and continued opportunities for growth within a larger, diversified infrastructure platform.



