Dear :

We at [company] are specialists in [services]. In recent years, we have established a high reputation in [area] for prompt and reliable services. We would like to add your name to our list of satisfied customers.

The enclosed brochure which will tell you more about our company and the services we offer. Please call us at [phone] if you need more information.

We look forward to serving you.

Sincerely yours,

[name]

[title]