Ridgewood Infrastructure, an infrastructure investor in the US, completed the acquisition of Waste Resources Management, a provider of liquids and wastewater collection, treatment, and disposal serving the commercial and industrial market. Financial terms were not disclosed. "WRM is an industry leader, operating a strategically advantaged, vertically integrated network of wastewater treatment facilities and related specialized rolling stock across several high-growth states. WRM services are essential to its diversified customer base. We look forward to working with the WRM management team to scale the business and further enhance its service offerings," Ryan Stewart, Ridgewood Partner.