Recent
- City Of Ottawa
- Tiber Markdale Resources Inc.
- Mar-Co Clay Products Inc.
- Mac Taylor Corporation
- Meridian Brick Canada Ltd./Briques Meridian Canada Ltee
- Hanson Brick Limited
- Picton Quarry
- Company: Lehigh Hanson Materials, ALPS ID: 3097, Licenced Area: 318.87ha, Operation Type: Quarry, Tonnage: 3600000
- Pit # 2
- Company: Cambridge Aggregates Inc., ALPS ID: 625818, Licenced Area: 41.5ha, Operation Type: Pit, Tonnage: 300000
- Washington Pit
- Company: Cambridge Aggregates Inc., ALPS ID: 15421, Licenced Area: 21.1ha, Operation Type: Pit, Tonnage: 300000
- 5675
- Company: Cambridge Aggregates Inc., ALPS ID: 5675, Licenced Area: 14.9ha, Operation Type: Pit, Tonnage: 150000
- 5596
- Company: Cambridge Aggregates Inc., ALPS ID: 5596, Licenced Area: 4.6ha, Operation Type: Pit, Tonnage: 150000
- Dale Clare Quarry
- Company: Lehigh Hanson Materials, ALPS ID: 97206, Licenced Area: 26ha, Operation Type: Quarry, Tonnage: 500000
- Essroc Canada Inc.
- Lehigh Hanson Materials
- Colacem Canada Inc.
- Colacem Canada Inc. - Division Bertrand Construction
- Hoff-Crete Products
- Cambridge Aggregates Inc.
- Ayr Pit
- Company: Lehigh Hanson Materials, ALPS ID: 625889, Licenced Area: 14.8ha, Operation Type: Pit, Tonnage: 500000
- North Dumfries Pit
- Company: Lehigh Hanson Materials, ALPS ID: 607701, Licenced Area: 95.58ha, Operation Type: Pit, Tonnage: 1000000
- 2544220 Ontario Inc
- Clarke Quarry
- Company: Duncor Enterprises Inc., ALPS ID: 620722, Licenced Area: 51.7ha, Operation Type: Quarry, Tonnage: (unlimited)
- Duncor Enterprises Inc.
- Seguin Quarry
- Company: Duncor Enterprises Inc., ALPS ID: 623916, Licenced Area: 31ha, Operation Type: None, Tonnage: (unlimited)
- Paris Pits Limited
- Lakeview Pit
- Company: Lakeview Sand And Gravel Ltd., ALPS ID: 5542, Licenced Area: 56.7ha, Operation Type: Pit, Tonnage: 200000
- Lakeview Sand And Gravel Ltd.
- James Thoume Construction Ltd.
- Township Of Chatsworth
- Corporation Of The Municipality Of West Grey