API Welded Steel Tanks for Oil Storage, 11th Edition (Includes Addendum 1 (2008), Addendum 2 (2009), Addendum 3 (2011) ) / Tank Inspection, Repair, Alteration, and Reconstruction, 4th Edition (Includes Addendum 1 (2010) and Addendum 2 (2012)) Set
standard by American Petroleum Institute, 04/01/2009

Specifications and Qualification Procedures for Aviation Jet Fuel Filter/Separators (API/IP 1581)
standard by American Petroleum Institute, 07/01/2002

Welding Pipe Lines and Related Facilities, 12th Edition
standard by American Petroleum Institute, 12/01/1971

Set of Six API Recommended Practices on Underground Petroleum Storage Tank Management
standard by American Petroleum Institute,

Recommended Practice on Thread Compounds for Casing, Tubing, Line Pipe, and Drill Stem Elements, Fourth Edition
standard by American Petroleum Institute, 02/01/2023

Specification for High-Test Line Pipe, Third Edition, Includes Supplement 1 (1952)
standard by American Petroleum Institute, 03/01/1951

Specification for Lease Automatic Custody Transfer (LACT) Equipment
standard by American Petroleum Institute,

Specification for High-Test Line Pipe, Nineteenth Edition
standard by American Petroleum Institute, 03/01/1973

Specification for High-Test Line Pipe, Second Edition, Includes Supplement 1 (1949)
standard by American Petroleum Institute, 05/01/1949

Specification for High-Test Line Pipe, Thirteenth Edition, Includes Errata (1966)
standard by American Petroleum Institute, 03/01/1966

Specification for High-Test Line Pipe, Fifth Edition
standard by American Petroleum Institute, 11/01/1954

Specification for High-Test Line Pipe, Eighth Edition, Includes Supplement 1 (1959)
standard by American Petroleum Institute, 03/01/1958