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Walker operates two limestone quarries in the historic township of Amherstburg, Ontario. McGregor Quarry and Amherstburg Quarry provide a variety of granular products, clear stone, gabion, rip rap and armour stone to the local construction industry. The sites produce innovative products like calcite agricultural lime for the farming industry, and they recycle concrete and asphalt into reusable materials for the aggregate market.


CategoryProductSize / ClassificationAmherstburg QuarryMcGregor Quarry
Clear StoneClear Stone3/8"
Clear Stone1" - 2"
Clear Stone2.5"
Clear Stone4"
Clear Stone19mm (3/4") / 3/4" Clear
Gabion4" - 6"
Gabion6" - 12"
Large Rip Rap12" - 24" (300 - 600mm)
FinesAgricultural Lime - Calcite
Cable Sand
Screenings1/4" Minus
Screened Fill (Fill Sand)
Septic Sand
Trail Mix Screenings1/2" Minus
GranularsGranular / Crusher Run19mm (0 -3/4")
Granular / Crusher Run50mm (0 - 2")
Granular / Crusher Run150mm (0 - 6")
OPSS Granular A Passes 1?
OPSS Granular B Type I (Limestone)0 - 1/2?
OPSS Granular B Type II0 - 2?
Oversized/LandscapingArmour Stone - Random
Armour Stone - Random Size/Shape1 - 2 tonne
Armour Stone - Random Size/Shape2 - 4 tonne
Armour Stone - Landscape Stackable10" / 13" / 24"
Armour Stone - Shoreline
Recycled MaterialsRecycled AsphaltMinus 5/8?
Recycled Concrete0 - 3"
Excess SoilExcess Soil Acceptance
*Selection and availability varies by location. Check products in other regions, or contact a sales rep today.

Not finding what you need in Essex? Taylor can help.

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Taylor Pontini

Aggregate Sales Rep
[email protected]
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Find Products Near You


0 quarries within 100 kilometres

McAllister Pit - Open
485 Concession Road 2
Municipality of Arran Elderslie
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Amsen Quarry - Open
136 The Bury Rd
South Bruce Peninsula, ON
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Koch Pit - Open
404488 Grey Rd 4
Municipality of West Grey
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Lind Pit - Open
382840 18th Sideroad
Municipality of West Grey
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McKenzie Pit - Open
223885 Southgate Rd 22
Municipality of West Grey
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Bennett Pit - Open
504148 Grey Rd 12
Municipality of West Grey
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Crawford Pit - Open
502027 Concession Rd. 10
West Grey, ON
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Hanover Pit & Administrative Office - Open
341416 Concession Rd. 2
Hanover, ON, N4N 3B9
(519) 364-0023
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Sutherland Quarry - Open
178764 Grey Road 17
Owen Sound, ON N4K 5N4
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Shepherd Pit - Open
216358 Concession 4
Desboro, ON N0H 1K0
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Sarawak Quarry - Open
319616 Grey Road 1
Kemble, ON N0H 1S0
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Redford Pit - Open
381769 Concession 4 NDR
Hanover, ON N4N 3B9
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Meaford Quarry - Open
197294 Grey Road 7
Meaford, ON N4L 1W7
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Markdale Pit - Open
774865 Highway 10
Markdale, ON N0C 1H0
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Lindsay Quarry - Open
4134 Highway 6
Mar. ON N0H 1X0
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Hooper Pit - Open
403803 Grey Road 4
Priceville, ON N0C 1K0
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Holland Pit - Open
684063 Side Road 30
Holland Centre, ON N0H 1R0
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Gowanlock Pit - Open
347105 Concession 4B
Flesherton, ON N0C 1E0
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Gingerich Pit - Open
157 Elderslie-Arran Line
Dobbinton, ON N0H 1L0
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Feenstra Pit - Open
197117 Concession Road 5A
Chatsworth, ON N0H 1G0
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Downs Pit & Asphalt - Open
062092 Side Road 3
Owen Sound, ON N4K 5N5
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Alvanley Ready Mix - Open
017999 Grey Bruce Line
Allenford, ON N0H 1A0
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Albemarle Quarry - Open
409 Kings Crescent
Wiarton, ON N0H 2T0
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McGregor Quarry - Open
6781 North Side Road
McGregor, ON N0R 1J0
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Amherstburg Quarry - Open
667 Simcoe Street
Amherstburg, ON N9V 1N4
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Administrative Office - Open
6781 North Side Road
McGregor, ON N0R 1J0
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Severn Quarry - Open
2646 Nichols Line
Orillia, ON L3V 6H3
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Orillia Pit 7 - Open
1533 Line 12 North
Oro-Medonte, ON L0L 1T0
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Orillia Pit 5 - Open
1267 Line 13 North
Oro-Medonte, ON L0L 1T0
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Orillia Pit 48 - Open
4364 Uhthoff Line
Orillia, ON L3V 6H2
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Edgar Pit - Open
1540 Line 7 North
Oro-Medonte Township, ON L0L 2E0
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Durham Pit - Open
393462 Concession 2
Priceville, ON N0C 1K0
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Duntroon Quarry - Open
Simcoe County Road 91, 3 Miles West
Duntroon, ON L0M 1H0
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Clarksburg Pit - Open
828060 Grey Road 40
The Blue Mountains, ON N0H 1J0
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Anten Mills Pit - Open
4436 Horseshoe Valley Road West
Minesing, ON L0L 1Y0
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Administrative Office - Open
48 Alliance Blvd Unit 102 & 103
Barrie, ON L4M 5K3
[email protected]
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Ridgemount Quarry - Open
2009 Ridgemount Road
Stevensville, ON L0S 1S0
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Spring Creek Quarry - Open
5500 Yonge Street
Lincoln, ON L0R 2A0
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Vineland Quarry & Asphalt - Open
3614 Victoria Ave.
Vineland, ON L0R 2C0
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Walker Brothers Quarry & Asphalt - Open
2800 Thorold Townline Road
Thorold, ON L2V 3Y8
[email protected]
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