TMI is the world leader in the manufacturing of energy control Strip Doors, Air Doors, Swinging Doors, Industrial Curtains, Bulk PVC Strip, Sheet, Film, and Coated vinyl. TMI also has a full line of Dock Bumpers, Wheel Chocks, Trailer Stands and Dock Lights. Most items ship within 24 hours with custom manufacturing within 2-3 days. TMI has over 2.5 million pounds of PVC material in stock in our Pittsburgh warehouse at all times.