The Intel Capital, WPP, and Arbitron-backed database and marketing company sells, after raising an $18.2m C round two years ago.

Database and marketing company TRA, backed by the corporate venturing unit of US-based chip-maker Intel, UK-based communications group WPP as well as New York-listed media and marketing research company Arbitron, has sold to Nasdaq-listed Tivo for about $20m.

In 2010 Intel Capital became a third strategic backing TRA. It invested $10m as part of TRA’s $18.2m series C round.

Its investment came from the $200m Intel Capital Invest in America Technology Fund started to back US-based, growth-oriented industries.

The remaining…