Capstone Partners (IMAP USA) advised Commonwealth Electrical Technologies (CET) on its sale to Eaglestone, LLC (Eaglestone), a portfolio company of Aterian Investment Partners (Aterian). Terms of the deal were not disclosed.

Founded in 2008 and based in Worcester, Massachusetts, CET is a leading non-union provider of energy efficiency, solar, and commercial electrical services in New England. The company offers a comprehensive suite of services including installing, servicing & testing commercial solar panel investments; new construction services & electrical maintenance for commercial industrial facilities; and specializing in optimizing lighting, mechanical work, and EV charging stations. CET serves a broad and well-diversified customer base across many high-growth end markets including electrical vehicle (EV) charging, solar energy, healthcare, commercial, automotive, and education. CET has a strong presence in the New England market and is well-positioned for continued growth as this region has proactively embraced green initiatives.

Eaglestone, LLC is a holding company comprised of best-in-class MEPS sub-contractors providing superior workmanship and project management services across all commercial and residential construction platforms. Eaglestone, LLC is committed to companies that focus on energy strategies & solutions, service & maintenance programs, and biosecurity initiatives.

Aterian manages over $1.5 billion of committed capital investing in industry-leading, middle market businesses. Aterian supports investments throughout an organization, from people to processes, equipment, technology, and social governance, among other areas.