Online marketers are rightly cautious about where they get their commercial Sales Leads from: but in the network marketing and consumer durables industries, fresh leads are the lifeblood of your business. So if you are going to buy leads or mailing lists, make sure you decide to contract with a company that has a respectable track record in your niche. Martin Worldwide is a company to consider. They are a leading direct marketing list management organisation, and the company reputation is based on its ability to give clients an innovative approach to using mailing list products. Their trade marked database offering, ResponseComâ„¢, is the envy of the company rivals. You can make use of it when you contact Martin direct.