Vessels: ASME Heads (2:1 Elliptical and Flanged & Dished) for pressure vessels
Baker Tankhead (TX)
Brighton (OH & MS)
B&W Heads (Division of Wesselhoft, Inc.) (AL)
Clark Kennedy (Canada)
Commercial Metal Forming (CMF) (CA, OH, TX)
Conrex (Canada)
Eica Tankheads (TX)
Fort Worth F&D Head Co. (TX)
Helander Metal Spinning Co. (IL)
Komax
LA Boiler Works Inc. (OK)
Melter (Mexico)
Prescor (Oklahoma) (Conrex)
Tank Components Industries (Missouri)
Trinity Heads Inc. (TX)
Wisconsin Stainless Heads Mfg. Inc. (WI)
Oswald Supply (external link)
Rep: Alaskan Copper
Note: Many pressure vessel shops manufacturer their own ASME heads.
Note: Some of the business above also provide ASME manholes.
Specialty Manholes: APF, Betts Industries, Civacon, Clark Kennedy, QOC Solutions (International), Tube Turns, WW Tank, and others
Non-ASME manway cover (hinged & bolted) for tank cars: McKenzie
Pipe Flange Gaskets: Gaskets for Flanges in Piping, Valves, Manways, Vessels, and Tanks (Municipal and Industrial) (internal link)
ASME pressure vessel connections: FCI: Forged Components
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