Garrett,

Since you plan to make your own gear and may need other items in the future. Here's a list of who I have used or had some contact through email.

http://www.questoutfitters.com/index.html - great for poles and clips

http://www.noahlamport.com/ - 65" silnylon fabric - call for samples

http://owareusa.com/index.html - carries 72" silnylon ( sells fast)