company store ,
company-owned store
manufacturer-owned retail store

It was built as a company store for the local mining community.

"Could I buy a pair at the company store, do you know?"

This would include a school and a company store where workers were forced to buy their supplies.

We could purchase cigarettes at half price in the company store.

Soon a company store, boarding house, and other buildings went up, each with its own water system.

A company store, movie theater, and boarding house was also built for the town, but they are now long gone.

The headquarters building itself contained a company store and museum.

But even the food in "company" stores has been inconsistent.

Their food and supplies came from the company store, at steep prices.

Company stores face little or no competition and prices are therefore not competitive.