Have you posted your buying needs on Ariba Discovery yet? That will give you access to over 730,000 suppliers around the world. Simply create a post that describes what you're looking for, and you'll get matched you to suppliers who can do the job. Buyers like you post more than $450 Million worth of business on Ariba Discovery every month - why not give it a try. Here's the link: http://discovery.ariba.com - good luck!
Feel free to reach out with any questions you might have, happy to help.