Wikipedia
Marchex
Marchex Inc. is a Seattle-based public company, founded in 2003, with offices in NYC and Las Vegas and over 400 employees. Marchex is a mobile advertising analytics company that connects online behavior to real-world, offline actions. By linking critical touchpoints in the customer journey, Marchex’s products enable a 360-degree view of marketing effectiveness. Brands and agencies utilize Marchex’s products to transform business performance.