USI Industrial Services
4266 Hwy 1
Marksville, La. 71351
(318) 240-8766 Office
(318) 240-8769 Fax

Mechanical/Piping General Contractor

PipingUSI Industrial has combo pipe welders with 350 weld procedures for all types of alloys. We offer pipe verification at our shop and in the field.

We hold four stamps:

  • The “R” Stamp: Approved by the NBIC for the repair and alteration of boilers, pressure vessels and other similar items.
  • The “S” Stamp: Certified by the ASME for pipe fabrication, pipe repair and power piping (power generation units).
  • The “U” Stamp: Certified by the ASME for a fabrication shop or field team to build pressure vessels.
  • The "PP" Stamp: Certified by the ASME for pipe fabrication.