Marine Interior Systems, an operation of Insulations, Inc., of New Orleans, La., has won the contract to perform the joiner work on a "new generation" 267' platform supply vessel for Halter Marine, Inc. at its Moss Point Marine yard. Thebaud Sea, under construction for Secunda Marine Services, of Canada, will accommodate 48 personnel in modern, European style comfort, and will meet Transport Canada and SOLAS regulations.