 BLOOMFIELD HILLS, Mich.--BUSINESS WIRE--TriMas NASDAQ: TRS today announced its Norris Cylinder business is now officially a Made in the USA designated manufacturer. Even before achieving this status, Norris was the only remaining manufacturer of forged steel high-pressure cylinders and acetylene cylinders located in the United States. For more than 70 years, Norris Cylinder has provided a strong commitment to providing customer solutions with demonstrated quality and exceptional service 