I have no affiliation with them, but in a few places around here you can get Oma's Choice beef jerky. My favorite is the Old-fashioned style with pecan smoke. In my opinion, their jerky is authentic and nothing like the insipid Jack Links jerky that most places sell.
You might check with them on prices and availability for resale.
I used to order a lot of Jerky from this place. I found their booth at a TTHA show about 20 yrs ago and tried their jerky. I was always really good. http://www.texasbestbeefjerky.com/index.php
might also check Miller's in Belton and Llano (not sure if they are affiliated with each other). A friend of mine buys all her jerky from some place out west ... I'll see if I can find out the name and or contact info.
people come from all over the US when traveling thru texas to stop at Praseks its that good! my cousins in dallas always order it online and when i go up there i always take 5 pounds to them.