That is because he has not been able to switch wireless companies without giving up his number, which he has had for four years.

Another quarter, he said, are at start-up companies, and most of them have already switched companies two or three times.

Early evidence suggests that only a small percentage of household and commercial customers are switching electric companies.

As of last November, cellphone companies must let people keep their numbers even after they switch companies.

Since then, executives have been more willing to switch companies for better offers.

She switched companies in 2000 and stopped temporarily in 2001 for unknown reasons.

And if an applicant switches companies or is laid off, the whole application process begins all over again.

Neil, she's not buying any more of your music, either, unless you switch companies.

He is willing to switch companies whenever his work fails to satisfy him.

If he tries to switch companies, or is laid off, he has to start the immigration process all over.