At last count, 238 firms were competing in the market.

The theory can treat a situation in which several firms compete within a country and for a single product.

"Over 50 major American firms were competing for these slots, and 5 got in."

Typically, the smaller, more marginal, firms cannot compete and must close.

Given that the three firms will be competing for the same slices of the European action, this could mean more attention to secrecy.

Major firms compete to improve quality control over all phases of design, management, and execution.

Or did the rival firms not compete, but rather follow different strategies independently?

The problem is magnified for smaller firms competing against household names.

More than 450 firms competed from which five winners and one grand prize winner were selected.

The authors use an explicit market model in which churches are viewed as "firms" competing for souls.