Find out who your client is (who can buy your product), make a list of contacts (phone, email, etc.) and get on the phone - there are no shortcuts here, just roll up your sleeves and get on the phone.

U.S. can spam regulations prohibit emailing people you don't have a prior relationship with, getting email list owners, like ezine publishers to insert an ad or do a 'solo mailing' on your behalf is one paid advertising method. Sounds like you are doing some B to B promotion, this massive database of rental postal, email and phone lists might have some demographically matched list for you to promote to.

http://lists.nextmark.com

Aside from investing a lot of sweat equity over time doing SEO in order to get 'free' search engine traffic, there are countless sources of paid advertising with various targeting methods, most commonly search phrase or web site or page selections that match your product. Optimizing your site's sales conversion rate is typically an essential part of an essential advertising campaign. Marketers bringing in high volumes can quickly learn from A-B design split tests, just changing the color and location of a buy button has been known to make a substantial difference in sales. Just guessing that your sales page is effective may make paid advertising an unprofitable venture.

Some advertising/Media buy experts suggest one starts with Google Adwords or Facebook paid advertising, they both have first time user vouchers to finance you initial advertising experiments. With luck this $75 Adwords voucher page heavily advertised some time ago may still work:

https://services.google.com/fb/forms/adw...

You can pay other websites and vendors to advertise your business on their sites. You could also hire a Public Relations person to get you more together and relatable to more customers and other vendors that can do business with you.

Try requesting a list through ConsumerBase or Nextmark. They will answer all your questions and set up a campaign for you that ensures canspam compliance.

I own an online business and need to attract businesses to my site and buy my products. How do I contact businesses (phone/email) - if so how email? - and how do I make sure they visit my site and potentially purchase my products?

Thanks so much