Norris Cylinder Company, a TriMas Company, is one of the world’s largest manufacturers of large high pressure and acetylene cylinders. From its inception, the principle objective of the company has been to manufacture the highest quality products used for the shipping and dispensing of compressed gases, while exceeding customer expectations in value and service. This remains our commitment. Located in Longview, Texas, Norris Cylinder Company's principle objective is to manufacture the highest quality productused for the shipping and dispensing of compressed gases.We aim beyond the expectations of our customers, our community, and even our employees. The purpose of this website is to assist our customers in selecting cylinders that best suit their individual needs. Norris has attempted to further assist your selection process by providing clear and concise detailing of each type of cylinder. Information contained on this site, while helpful, is of necessity limited, and is not intended to answer all the questions you may have. For additional information, you may contact a Norris Cylinder Company sales representative or obtain a copy of Title 49, Code of Federal Regulations, Transportation, Parts 100-199, available from the US Government Printing Office.