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.

BaseRock Partners (“BaseRock”) is pleased to announce that it served as the exclusive financial advisor to TRIO Electric, Ltd. (“TRIO Electric”) on its sale to Paceline Equity Partners (“Paceline”).

The transaction represents a significant milestone for TRIO Electric and reflects BaseRock’s continued focus on advising leading electrical and specialty trade contractors through complex ownership transitions.

TRIO Electric is a full-service electrical contractor providing electrical design, construction, and maintenance services to the non-residential construction end market. Founded in 2003 and headquartered in Houston, Texas, the Company has built a strong reputation for technical expertise, reliable execution, and responsive customer service, supported by several hundred years of combined electrical contracting experience.

Paceline Equity Partners is a Dallas-based private equity firm focused on investing in middle-market companies across asset-heavy and service-oriented industries. Paceline’s investment in TRIO Electric reflects its strategy of partnering with established market leaders and management teams to drive long-term value through strategic growth initiatives and operational excellence.

Denver, CO (September 17, 2025) – BaseRock Partners is pleased to announce the sale of Colorado Sheet Metal (“CSM”) to Saturn Five. BaseRock Partners (“BaseRock”) served as the exclusive financial advisor to CSM and guided the company through the full sell-side process, from the initial discussion of exit options through marketing, buyer selection, due diligence, and transaction negotiation.

Founded in 1993, CSM is a leading commercial mechanical contractor serving public and private clients in the Pikes Peak region and Southern Colorado. The company specializes in mechanical services and construction and has delivered projects across new construction, remodels, design-build, industrial, and medical settings, supported by highly qualified field mechanics.

“BaseRock brought clarity and momentum to a complex process. They took time to understand our priorities, including our people, our customers, and the future we want for the business.

From exploring exit options to running a disciplined marketing process and managing diligence and negotiations, BaseRock advocated for us at every step and helped identify Saturn Five as the right long-term home for CSM,” said Gary Venable, President of Colorado Sheet Metal.

Saturn Five acquires and operates healthy, cash-flow-generating small businesses with a long-term, buy-and-hold approach focused on operational excellence, employee well-being, and community impact. The firm’s teams are based in Denver and Austin, with a growing family of partner companies across the United States.

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PEC needed an advisor that truly understood the industry, its challenges, and its opportunities, especially construction-focused firms with complex financial structures.

“I was looking for a banker who knew and understood construction. When a fellow subcontractor recommended BaseRock after having a great experience with them, he connected us.

BaseRock had a deep knowledge of our business, understood how our somewhat complex and unique financials worked, and had a deep pool of serious, sophisticated buyers.”

– Jim Bisson, President & Chief Executive Officer of PEC  

BaseRock took the time to understand what mattered most to PEC – culture, control, growth, and diversification – and leveraged its deep industry expertise to identify and secure the right investment partner.

The Outcome: A Stronger Future for PEC

The investment from Alaris Equity Partners provides PEC with the resources to accelerate its expansion while maintaining its strong company culture and reputation for excellence. By working with BaseRock, PEC was able to navigate the complexities of the transaction with confidence, securing a future that supports both its team and long-term vision.

About BaseRock Partners

BaseRock Partners is an investment bank built to serve the engineering and construction industry. BaseRock advises clients using a team-oriented approach that combines decades of industry expertise, deep industry relationships, and unique transaction capabilities specifically designed to meet the needs of engineering and construction companies.

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