ADVICE Please! HOW do I get Advertising Agencies to take notice of my service?

I have a business that provides an OUT OF HOME advetising and promotional service for any type of business.


I'm looking for information, tips and advice on how to get advertising agencies intrested and take notice of our very effective and unique service and make them relize the impact potential for their clients.


I have sent out information packs and contacted several agencies but to no avail, they cannot even return phone calls.





I welcome any and all advice pleaseADVICE Please! HOW do I get Advertising Agencies to take notice of my service?
Ad/PR agencies began using my company's product after their clients began asking them to.





This industry is not known for being early adopters and sometimes it can be hard to teach old dogs new tricks.ADVICE Please! HOW do I get Advertising Agencies to take notice of my service?
Is your ultimate goal to get these agencies to simply ';notice your service'; so that they will provide you with free advertising?
www.craigslist.org.Put what your service is about and waht it does.