Here are some car manufacturers and automotive companies in different provinces of Canada. Please use the following information at your own discretion:

Ontario:

General Motors Canada:
GM has manufacturing plants in Oshawa and Ingersoll, Ontario.

Ford Canada:
Ford has assembly plants in Oakville and Windsor, Ontario.

Toyota Canada:
Toyota has a manufacturing facility in Cambridge, Ontario.

Honda Canada:
Honda has manufacturing plants in Alliston, Ontario.

Quebec:

Bombardier Inc.:
Known for its aerospace and transportation manufacturing, with headquarters in Montreal.

BRP (Bombardier Recreational Products):
A manufacturer of recreational vehicles and powersports equipment with headquarters in Valcourt, Quebec.

British Columbia:
Westport Fuel Systems: A company specializing in natural gas vehicle technologies, with headquarters in Vancouver.

Manitoba:
New Flyer Industries: A manufacturer of transit buses, with headquarters in Winnipeg.

Nova Scotia:
Irving Shipbuilding: While primarily known for shipbuilding, they also have connections to the automotive industry through parent company J.D. Irving, Limited.

Applewood Auto Group:
Serving British Columbia and the Greater Vancouver area, offering a range of brands.

AutoCanada Inc.:
One of the largest dealership groups in Canada, with dealerships representing various brands.

Birchwood Automotive Group:
Located in Manitoba, with a presence in Winnipeg and surrounding areas. 

Car Nation Canada:
Operating in Ontario, with a network of dealerships offering various brands.

Cowell Auto Group:
Operating primarily in British Columbia, Cowell Auto Group represents several brands.

Crown Auto Group:
Serving Manitoba and the Winnipeg area, with multiple dealerships.

Dilawri Group of Companies:
One of the largest automotive dealership groups in Canada, representing several brands with locations across various provinces.

GAIN Group:
Based in British Columbia, GAIN Group includes luxury car dealerships and automotive services.

Go Auto:
Based in Alberta, Go Auto is a large dealership group with locations across the province.

Humberview Group:
Operating primarily in Ontario, the Humberview Group offers a range of brands.

Jim Pattison Auto Group:
Known for its diverse business interests, including a significant presence in the automotive industry across multiple provinces.

Marino's Automotive Group:
Based in Toronto, Ontario, Marino's represents multiple brands.

Murray Auto Group:
Operating in various provinces, including Manitoba and Saskatchewan, the Murray Auto Group represents multiple brands.

Parkway Auto Group:
A dealership group in British Columbia with multiple locations.

Queensway Auto World:
Based in Prince Edward Island, representing various brands.

Trotman Auto Group:
With dealerships in British Columbia and Alberta, the Trotman Auto Group represents various brands and has a strong presence on the west coast.

Wheaton GM:
Operating in Saskatchewan and Alberta, representing General Motors brands.

Wyant Group:
A Saskatchewan-based dealership group with various locations across the province.

Zanchin Automotive Group:
Based in Ontario, the Zanchin Automotive Group owns and operates numerous dealerships, primarily in the Greater Toronto Area.

These dealership groups have a significant presence in the Canadian automotive industry, offering a wide range of vehicle brands and services. Please note that the availability of dealerships and the brands they represent can vary by region. 

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