Dunbar's focus is exclusively "heat shrinkable" and "non-shrinkable" tubing products for North America.

Through a central headquarters based in Texas, in stock "heat shrink tubing products" can be shipped same day to the 48 contiguous states and by air to all of North America.

Dunbar operates as the "factory sales operations" in North America for the "heat shrink tubing" division of LS Cable, a global manufacturer in South Korea. Providing industry with a wide array of "heat shrink" products and support services Monday through Friday.