Much of what we read in our newspapers or see on television has first been cleared by the polling companies.

A Republican polling company found his approval rating to be 51 percent in May 2012.

The department has not hired a polling company to conduct the survey.

Turnout was estimated at as much as 70 percent by a private polling company here.

He also said that according to a national survey of one independent polling company, the number of people who considered themselves runners was 30 million.

All polling companies rely on cooperation from individuals contacted over the phone.

He got bored and went to work for a talk radio station in Houston, then for a polling company.

The agreement calls for a polling company to pick 250 uncommitted voters to question the candidates.

Some polling companies have attempted to get around that problem by including a "cellphone supplement".

On that occasion, one polling company went bankrupt and out of business.