Kontera is a contextual ad network that offers pay per click advertising to publishers across the web. Kontera's advanced In-Text advertising solutions guarantee to display the most targeted ads on your site. - [Read more]
http://www.kontera.com

Provides highly targeted leads or prospective customers from organic and paid search engine traffic. - [Read more]
http://www.leadstormmedia.com

Emarketers are a professional Internet marketing company in London that specialise in providing PPC advertising services for UK business clients. - [Read more]
http://www.emarketers.co.uk/marketing/ppc.php

Website application that helps increase conversion rates by allowing service representatives to interact with website visitors through chat, call and other features. - [Read more]
http://www.velaro.com/features/click-to-chat/