Three large agency companies have announced changes involving top managers.

Q. It has long been said that your goal was to head the world's biggest agency company, and now you do.

That, in turn, could contribute to higher stock prices for each agency company.

Now an agency holding company is promoting itself the same way.

True North's primary rivals own two - and even three - agency companies.

Two agency companies said yesterday that they would make acquisitions.

The two privately held agency companies did not disclose financial terms of the deal.

Two big agency companies are offering their support to help advocacy organizations.

Public relations units of large agency companies are making changes.

Plans call for other agency companies to be invited to join as well.