Ridgemont Equity Partners specializes in making direct investments. It makes private equity / buyouts and secondary (direct) investments in middle market companies and is involved in growth capital and buyout transactions. It invests in oil and gas equipment and services, oil and gas exploration services, oil and gas production, oil and gas pipelines, petrochemicals, building products, engineering services, trading companies and distributors, outsourced business services, infrastructure services, application software, wireless access.