Providers of search engine marketing and online advertising services.

Offers services and applications to launch, manage and monitor pay-per-click advertising for most PPC networks.

Develops real-time, scalable, on-demand contextual targeting services to help online businesses leverage their two biggest assets: content and online audience.

Offers services designed specifically for keyword tracking, click auditing, and keyword bid management for most major search engines.

Offers pay per click services to enhance web promotion in PPC search engines.

Creates, optimizes and manages sponsored search engine pay per click advertising campaigns.

Search engine marketing firm, which offers paid search management, optimization and landing page/conversion path analysis services to clients.

Pay per click management services.

Provides pay-per-click search engine copywriting and management.

A pay-for-performance search engine management company.