Altus Capital Partners has acquired Rocla Concrete Tie Inc., a company that makes concrete railroad ties.

Denver, Colo.-based Rocla makes ties for freight, transit and high speed rail. The ties are used as part of the railroad track. Terms of the deal were not disclosed.

Altus Capital, headquartered in Wilton, Conn., has also invested in Models & Tools Inc. and International Imaging Materials Inc. In October, the firm bought Gulf Coast Machine and Supply Co. 

AH Belco SA, a Belgian holding company, sold Rocla. CoView Capital Inc. was AH Belco’s financial adviser. 

Manufacturing industry