Microsoft, Apple and AT&T Are the Biggest B-to-B Ad Spenders

BtoB 100 Ranks the Largest U.S. B-to-B Advertisers

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Microsoft, Apple and AT&T topped the BtoB 100 list, an Ad Age special report coming out Monday that ranks the biggest b-to-b ad spenders in the U.S.

The report is based on Ad Age DataCenter's analysis of spending data from WPP's Kantar Media.

It found that U.S. measured-media spending by the top 100 b-to-b advertisers approached $5 billion last year.

The report and ranking of the top 100 b-to-b advertisers will appear in Ad Age's Aug. 11 print edition.

An overview article of the report will be accessible to all users at, and the online ranking will be available to Ad Age DataCenter subscribers.

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