| Acrylonitrile Butadiene Styrene |
| Asbestos Cement |
| Brick |
| Cast Iron |
| Clay-lined Concrete Pipe |
| Corrugated Metal Pipe |
| Concrete Pipe (non-reinforced) |
| Concrete Segments (bolted) |
| Concrete Segments (unbolted) |
| Clay Tile |
| Ductile Iron Pipe |
| Fiberglass Reinforced Pipe |
| Pitch Fiber (Orangeburg) |
| Pre-stressed Concrete Cylinder Pipe |
| Polymer Concrete Pipe |
| Polyethylene |
| Polypropylene |
| Plastic/Steel Composite |
| Polyvinyl Chloride |
| Reinforced Concrete Pipe |
| Reinforced Plastic Pipe (Truss Pipe) |
| Segmented Block |
| Steel Pipe |
| Vitrified Clay Pipe |
| Wood |
| Not Known |
| Other |
