Finland was 100% dependent on a single supplier in gas, namely Russia.

You should then be in a position to come up with a single preferred supplier.

"At one point, we identified every single supplier from around the country and brought them all to Washington for a meeting."

A natural target, then: a nationwide monopoly, compelling the public to buy from a single supplier.

The sport should not rely on equipment that is provided by a single supplier.

Up until this point, the networks have told every single supplier they would never share in ad revenues.

Formula 1 has contracted a single supplier of tyres since the 2007 season.

A monopoly is a structure in which a single supplier produces and sells a given product.

All entrants in the series must use control tyres from a single supplier.

Move towards a single supplier for any one item, on a long-term relationship of loyalty and trust.