100% Employee Owned Enterprise    - EST. 1979 -     We Have A Boss. It's Our Customer.
    - EST. 1979 -
100% Employee Owned Enterprise
We Have A Boss. It's Our Customer.


Steel Product
& Service Brochures

Click the icons to download full color brochures.

Steel Pipe Brochure

Road Bore Brochure

Signs Brochure

Piling Brochure

Tri-Loc Brochure

Prime Plate Brochure

Case Studies

Click the icons to download full color brochures of case study reports of on the field uses of Tri-Loc.

Tri-Loc Case Study

Lake Davis – City of Orlando

Tri-Loc Case Study

CountryMark Oil Refinery Alky Project: HF Water Mitigation – Mt. Vernon, IN

Tri-Loc Case Study

I-75 Inlay Project – MDOT

Tri-Loc Case Study

Trunk Highway 169/TH 41/CSAH 78 DDI 147th St. Overpass – MNDOT

Tri-Loc Case Study

Sewer Interceptor Improvement – City of Redmond

TRinity Products Manufacturing Process

download pdf

Reference Guides

Rectangular Tubing Reference Guide

Square Tubing Reference Guide

Steel Pipe Reference Guide

Steel Pipe Sizing Guide – 6″ to 28″

Steel Pipe Sizing Guide – 30″ to 144″