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Valerie, it sounds like you are a small business. I suggest you contact your local Small Business Assocation office. Tell you them are a small business and pose your question.
Report Carolyn's answer
First of all alot of the "scans" you have found are businesses that are trying to generate an income. The government posts grant opportunties on their website at www.grants.gov There are many steps needed to be taken in order to apply for grants so the best option would be to visit your local SBA office. You can also visit (if applicable) your local economic development agency.
Report Kay's answer
Start at your library. Most libraries have a few introductory and/or list books with respect to grants. Other sources include your local Chamber of Commerce which has a vested interest in your local success and they generally have their ears to the ground, so to speak. A bit farther fetched but another good source may be your congressman. Kay Frazer's comments are also quite accurate.