Industrial Goods and Services Casting, Molding, Machining FoundriesEngineered Specialties - Investment castings, Connecticut Manufacturer Representatives Engineered Specialties Corporation offers professional representation for manufacturers in the following areas: Sand castings Investment castings Stampings & Washers Complex Machining / Welded Rings Engineered Specialties Corporation has four salesmen and an office staff that services the New England region to assist you in your search for the perfect part. Sand Castings | Investment Castings | Stampings & Washers | Welded Rings | Guest Book