Grosso Pre-Cast

Our Location

Business Hours
Monday – Friday:
7:00 AM – 5:00 PM, also on-call
Saturday & Sunday:

Main: 250-785-3382
Fax:  250-785-3381

Sales / Estimating

Administration / Billing Inquiries

Physical Address:
7224 100 Ave.,
Fort St. John, BC,
V1J 5T7

Mailing Address:
PO Box 6868,
Fort St. John, BC,
V1J 4J3
Grosso Pre-Cast
shop drawings

Pre-Cast Concrete Products in Williams Lake

Grosso Pre-Cast in Williams Lake is proud to manufacture our high-quality, pre-cast concrete products for the construction of underground infrastructures. These products include pipe, catch basins, box culverts, manholes, headwalls, vaults, oil interceptors and more.

Septic Tanks, Highway Barriers

We also manufacture septic tanks, highway barriers, pump chambers, concrete benches, service boxes and associated parts at our Grosso Pre-Cast plant. Our up-to-date concrete production facility maintains the highest quality standards and excellent customer service – in fact, we guarantee satisfaction.


Because projects can vary depending on their particular needs, Wilson Concrete is pleased to offer a solution: send us basic drawings of your civil or septic needs, and we’ll create the schematics for you. In that way, you’ll be sure to get exactly the product you need. Call now for a free estimate.