In the last few years, Empire - which takes on everyone, no matter how old or sick - has been increasingly challenged by commercial competitors.

PMA parts have been around as commercial competitors since at least the 1950s.

A test has found a free program to be competitive with commercial competitors.

But it is misleading to claim we "concluded that Empire's problem was primarily due to the practices of commercial competitors."

Some of these advantages are threatened, but not as seriously as the commercial competitors would perhaps like.

The station focuses on local talent and local music, unlike its commercial competitors.

The company's brands are about twice as expensive as those of larger commercial competitors.

Administrators say they are even considering making a bid at some point to enter the testing business as a commercial competitor.

Some such free programs are almost as good as commercial competitors.

There is even talk of making big city departments tender for work (a few tiny ones do it already) against bids from commercial competitors.