St. Louis Screen Printing Company. STL Shirt Co is the place for screen printed and embroidered apparel. Need rush t-shirt printing or embroidery order? No problem, rush orders can be designed, printed and shipped within a week. Contact STL Shirt Co. today for all of your custom design needs. STL Shirt Co. is your go-to place for St. Louis screen printing, custom uniforms, custom t-shirt printing, hats, and corporate apparel! We can duplicate any wearables you have now and match up your existing uniforms with ease regardless of where they were purchased in the past. With 35 years of experience in the St. Louis screen printing industry, and the best equipment, materials, and talented staff around, you can rest assured that you'll be happy with your order.