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We are now equipped to supply and fill your “Bulk Bag” requirements for Aggregate Products. Please check us out.

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G. H. Stewart Const. Inc. – Your Trusted Aggregate Depot in Orillia

Give your construction an extra edge with aggregates and speciality products from G. H. Stewart Const. Inc. and Stewart’s Aggregate Depot. We are your go-to aggregate depot in Orillia. We supply construction aggregates for all your residential and commercial projects. From limestone screenings, roofing stones, and varieties of granites to speciality products such as geotextiles and grass seeds, we have it all.

Our Materials List

Whatever aggregate products you need for your commercial project, we can pick it up and bring it to your jobsite. We proudly provide the following high-quality products for our valued customers:

  • Sandfill
  • Limestone fill
  • 50 mm crusher run limestone 
  • 19 mm crusher run limestone
  • Limestone clear stone 19 mm or 50 mm
  • Limestone chip
  • Gran “A” gravel
  • Screened sand
  • Washed concrete sand
  • Black granite screenings
  • Black granite crusher run
  • Black granite 13.2 mm or 19 mm
  • Red granite decorative chip
  • Red granite 19 mm clear
  • Crushed red brick
  • Screened topsoil
  • Screened triple mix
  • Flag stone
  • Washed 26.5 mm drainage stone
  • Washed 19 mm – 37.5 mm round stone
  • Washed 19 mm concrete stone
  • Washed 9.5 mm round stone (pea stone)
  • Granite screenings
  • Landscaping stone
  • 26.5 mm white dolomite marble decorative stone
  • 9.5 mm white dolomite marble decorative chip
  • Red cedar mulch
  • Gold cedar mulch
  • Black cedar mulch

Miscellaneous Items

  • Culverts and couplers (plastic and steel)
  • PVC gabion baskets
  • Professional series weed barriers
  • Woven and non-woven geotextiles
  • Grass seed

Be it a small or bulk order, we are here to deliver it for you. Contact us if you have any queries, or require a free estimate.

Free Estimate

Contact us to get a free estimate on our products.

G. H. Stewart Const. Inc.

G. H. Stewart Const. Inc.
4156 Stewarts Lane
Severn, ON

L3V 6K6

Phone: 705‑326‑2123

Fax: 705‑326‑2835



Monday - Friday: 8:00 AM to 5:00 PM


Stewart’s Aggregate Depot

4156 Stewarts Lane
Severn, ON
L3V 6K6


April to October: 8:00 AM - 5:00 PM
November hours dependent on weather


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Service Area

  • Orillia
  • Barrie
  • Midland
  • Gravenhurst 
  • Beaverton
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