DENMAR MFG INC NITTAW MANUFACTURING DIVISION BRION RIEFF BOAT BUILDER JOHN CARLSON JAMES H AYRES & CO LEE BOAT MFG CO OOB 8/80 E R BUTLER & SONS BACK COUNTRY SKIFF, INC JONES BOATWORKS BLACK DUCK BOAT SHOP CREATION MARINE ENGR AIRCONCEPT INDUSTRIES INC