Sourcing galvanized material requires knowing whether you need Domestic (USA) or Import material. Domestic is required for government jobs (DOT), while Import is standard for fencing and general construction.
A. Major Pipe Manufacturers
USA MADEThese are the primary mills producing domestic hot-dip galvanized pipe.
Wheatland Tube ↗
The industry heavyweight. They produce the standard for ASTM A53 Schedule 40 and "Wheatland Fence" pipe. If you see "Made in USA" on a galvanized pipe, it's likely them.
Independence Tube (Nucor) ↗
A massive producer of Structural HSS (Square & Rectangular) tubing. They offer "Independence Shield" coatings for specialized corrosion resistance.
Bull Moose Tube ↗
Specializes in mechanical tubing and sprinkler pipe. A major domestic supplier for commercial fire suppression systems.
B. Master Distributors (Stocking)
These companies buy directly from the mills above and sell to local yards. They typically stock both Import and Domestic materials.
Merfish United ↗
The largest master distributor of standard steel pipe in the US. Huge stocks of galvanized A53 pipe for plumbing and industrial use.
Totten Tubes ↗
West Coast powerhouse. They specialize in structural steel tubing and often have the deepest inventory of galvanized HSS on the Pacific coast.
C. Fittings Suppliers (Threaded)
Distributors carrying malleable iron and galvanized threaded fittings.
Ward Manufacturing ↗
DomesticThe gold standard for malleable iron fittings. If your spec says "Domestic Fittings," you buy Ward.
ASC Engineered ↗
GlobalFormerly Anvil International. They offer a massive catalog of both domestic and high-quality import fittings.
Matco-Norca ↗
ImportOne of the largest independent sourcing companies. Excellent availability for bulk commercial plumbing and fencing projects.
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