OFC (Open Friction Course)

Category: OFC (Open Friction Course)

Subcategories

None

Fowler Construction Company Ltd.
Hutcheson Sand & Gravel
- Aggregates, Meta-Gabbro (Huntsville) (M)
Ontario Trap Rock
- Aggregates, Diabase (Bruce Mines) (T)
R. W. Tomlinson Limited
- Aggregates, Dolomitic Sandstone (South Gloucester) (D)
- HL1, DFC-Course, DFC-Fine, OFC-Course, OFC-Fine
Trigan Resources Inc.
- Aggregates, Gabbro (Methuen) (M)
Aecon Construction and Materials Ltd.
- Aggregates, Dolomitic Sandstone (Ottawa) (D)
- Aggregates, Trap Rock (Marmora) (T)
Lafarge Canada Inc.
- Aggregates, Dolomitic Sandstone (Brockville) (D)
- Aggregates, Dolomitic Sandstone (Hawthorne) (D)
- Aggregates, Dolomitic Sandstone (South Gloucester) (D)
- Aggregates, Gneiss (Coldwater) (M)
Smelter Bay Aggregates Inc.
- Aggregates, Diabase (Lefroy) (T)
Sunrock Canada Construction Materials ULC
- Aggregates, Gneiss (Kinmount) (M)