Cases with Industry Code "ST" SEWAGE TREATMENT, Purpose Code "AIS" Application to issue stocks/securities, and Status "AR" Archived (2%20cases) Case NumberCase TitleOpen DateClosed Date 74-0433-ST-AISPUBLIC SERVICE CORPORATION ON07/11/197408/11/1976 80-1113-ST-AISROYAL ENVIRONMENT SERVICE COMPANY11/19/198004/14/1981