BaseRock Capital, LLC, a wholly owned subsidiary of BaseRock Partners, today announced it served as the exclusive financial advisor to Webcor, LP (“Webcor”), a premier California-based general contractor and a subsidiary of Obayashi Corporation (Tokyo Exchange; 1802.T), on its announced acquisition of GCON, Inc. (“GCON”), a full-service construction management firm with a strong nationwide presence in high-growth technology and mission-critical sectors. Financial terms were not disclosed. 

The acquisition positions Webcor to capitalize on the rapidly expanding market for data centers and other mission-critical environments, driven by increasing demand for AI technologies. By integrating GCON’s specialized expertise and experience, Webcor significantly enhances its service offerings and geographic reach. Concurrently, GCON will leverage the financial strength and scale of Webcor and Obayashi to compete for larger, more complex projects across the United States.

“This transaction is a pivotal moment for Webcor, immediately amplifying our capabilities in the most dynamic segments of the construction market,” said Matt Rossie, President & CEO of Webcor. “GCON has an exceptional reputation and a proven track record in building the complex environments that power our digital world. We are thrilled to welcome them to the Webcor family.

The BaseRock team was an invaluable partner, providing expert guidance and transaction execution support that was instrumental in bringing this combination to fruition.”

The transaction unites two firms with a shared commitment to innovation, sustainability, and superior client service, creating a powerful platform for future growth.

About BaseRock Capital

BaseRock Capital, LLC, is a wholly owned subsidiary of BaseRock Partners, LLC. 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. 

About Webcor

Webcor is a premier provider of commercial construction services, known for its innovative approach, wide range of experience, and expertise in building landmark projects. Founded in 1971, Webcor has offices throughout California and is repeatedly honored as a top contractor and one of the best places to work.

About GCON

GCON is a full-service construction management firm providing value-based services nationwide. Founded in 2003 and headquartered in Phoenix, Arizona, GCON’s purpose is to elevate the construction experience by forging dedicated partnerships and building highly specialized teams.

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.

Contact BaseRock Partners