It's a McCormick product.I looked it up, as well. The just list “spices” so imagine any combination could be possible. I’ll look for it at US Foods.

Cattlemen's Cowboy Rub | McCormick For Chefs®
Cattlemen’s® Cowboy Rub is finely ground and delivers a bold balance of hickory smoke, molasses and coffee flavors in a ready-to-use dry or wet format that's ideal for low 'n slow cooking and perfect for blending with Cattlemen's BBQ sauce to create your own signature sauce. For more than 50...
