Use this as a prime chance to gain names for your mailing list and network. Each can put contact information and a byline on the newsletter. This divides the costs of producing such a marketing endeavor and save time and resources for each. Let others know of your expertise by writing an informative article and submitting it to a trade magazine or local newspaper. Let the community know of your expertise by writing what you know.
Most magazines offer a byline to authors to use for contact information.
You can also write a Letter to an Editor as a simpler version of this technique. These are a few ideas that may help in finding new customers, and the list is only limited by your creativity and desire. While there are many methods to finding new customers, it is important to understand your current customers and use this information to make it more appealing to the new customer. Address what they want. Find out what they really like about your business, but even more importantly, find out what they don't like and change it.