Alltel's cellular operations are valued at about 15 percent of its total market capitalization.

Analysts said many of the cellular operations of the nation's seven regional Bell phone companies had also moved into the black.

They each have hundreds of multinational corporate customers and operate large cellular operations.

The company has also been asked to consider spinning cellular operations into a separate company.

The combined cellular operation was a significant player in the field.

Lin's cellular operations have only been around for three years.

Since Lin has major cellular operations in those cities, it would have faced an even more aggressive rival.

At Lin, the cellular operation is seen as its most desirable business.

It is often secreted by cells to provide a constant environment for cellular operation.

Its international cellular operation grew to nearly 550,000 subscribers, up 78 percent.