 | Catchbasin, Corrugated Steel  (Armtec Limited) |
| Catchbasins and Maintenance Holes, Corrugated Steel Pipe (Coldstream Concrete Ltd.) |
| Corrugated Steel Pipe Catch Basins and Maintenance Holes (Atlantic Industries Limited) |
| Corrugated Steel Pipe Catch Basins and Maintenance Holes (Canada Culvert) |
| Corrugated Steel Pipe Catch Basins and Maintenance Holes (Armtec Limited) |
| Galvanized Corrugated Metal Pipe (Haviland Drainage Products Co.) |
| Galvanized Corrugated Steel Pipe (Soleno Inc.) |
| Maintenance Holes, Drop Structures, Internal only  (Munro Concrete Products Ltd.) |
| Pipe Culverts, Sewers and Fittings, Steel (Canada Culvert) |
| Pipe, Steel, Helical (Armtec Limited) |
| Pipe, Steel, Smooth Inside, Armtec ULTRA FLO (Armtec Limited) |
| Pipe, Steel, Structural Plate, Armtec BRIDGE-PLATE (Armtec Limited) |
| Steel Pipe (Atlantic Industries Limited) |
