American Commercial Lines Inc. announced that it has acquired the remaining 70% of the environmental and civil engineering services firm, Summit Contracting, LLC (""). ACL had previously acquired a 30% share of in May 2007. The financial terms of the investment were not disclosed and are not material to the Company. 's offerings include emergency response, environmental remediation, and industrial and civil construction services. As a wholly-owned subsidiary of ACL, will continue serving its established customer base of major transportation, chemical, energy and construction customers, as well as providing value-added services to ACL's existing and future customers.