Calera Capital acquires United Site Services

Calera Capital has acquired United Site Services, which provides portable sanitation, temporary fencing and related services. Calera made the acquisition in partnership with management. Calera managing partner James Farrell and principal Ethan Thurow will join the company’s board. Financial details were not disclosed.

Press Release

Calera Capital, a leading middle-market private equity firm, announced today that in partnership with management it has acquired United Site Services (“USS”), the leading provider of portable sanitation, temporary fencing, and related site services.

USS delivers exceptional service to its customers through over 1,500 employees across 60 branch locations nationwide.

James Farrell of Calera Capital stated, “CEO Ron Carapezzi and the USS management team have developed USS into a true industry leader. The company has significant momentum and we are excited to support Ron and his team in continuing USS’s impressive history of outperformance.”

Ethan Thurow of Calera Capital added, “USS has substantial opportunities for further growth. Calera is thrilled to partner with management as they continue to execute against the company’s organic and acquisition-driven growth plans.”

“We are extremely pleased to be partnering with Calera Capital to take the USS platform to considerably greater heights,” said Ron Carapezzi. “Calera’s deep experience with companies in similar industries will help us further differentiate our company competitively, strengthen our industry-leading position and maximize our long-term business value.”

USS represents Calera’s ninth investment from Fund IV and reinforces Calera’s track record of successfully partnering with existing, strong management teams. Calera Capital Managing Partner James Farrell and Principal Ethan Thurow will join the USS board. Terms of the transaction were not disclosed.

About United Site Services

Through its acquired entities, United Site Services (“USS”) has been providing site solutions for over 50 years to the Construction, Event, Industrial and Government market sectors. Today, through its nationwide branch system, USS is the leading provider of quality portable restrooms, VIP restroom and shower trailers, temporary fence, temporary power, and more. For more information about the company’s full range of products and the services we provide to meet our customer’s every need, please visit

About Calera Capital

Founded in 1991, Calera Capital, formerly known as Fremont Partners, is a private investment firm which has approximately $2.8 billion of capital under management. With offices in San Francisco and Boston, Calera invests across a diverse range of industries including business services, consumer and retail, financial services, healthcare, building products, and industrial manufacturing. Calera Capital makes substantial equity investments in operating companies, typically with enterprise values up to $1 billion, and seeks to build long-term sustainable value by working with management teams to implement strategic and operating initiatives. For more information, please visit