German Shipping Companies Convicted in Texas and Alaska for Environmental Crimes; Companies to Pay $1.2 Million for Covering up Marine Oil Pollution and Obstruction of Justice. WASHINGTON – Two German shipping companies pleaded guilty today in federal court in Houston to criminal charges that they concealed the illegal dumping of oil at sea from U.S. Coast Guard inspectors. Nimmrich & Prahm Bereederung and Nimmrich & Prahm Reedrei, the operator and owner of the commercial cargo vessel M/V Susan K…