This e-mail is for requesting information about a company.
I'm e-mailing you to get some more information about your company. I plan to be <things you will do with the information> in the near future, and I would appreciate finding out more about your firm. If you could, please reply with some information about the company's background, its people, its primary market, <specific information you need> and any other pertinent information. Or if there is an online source of this information, please direct me to that. I thank you for your help, and appreciate your cooperation. I will look forward to your reply.