Founded in 1948 in Buffalo, NY, Caplugs has been manufacturing premium protection products for over 61 years. Caplugs’ vast product lines include caps, Plugs, Edge liners, Wraparound tapes, Netting and tubing used in a wide range of industrial applications around the world.

In 2003, Caplugs' parent company, Protective Industries, Inc. , Purchased Niagara Caps & Plugs to bring two of the industry’s leaders together to form the largest, Most expansive offering of product protection solutions. Niagara has been manufacturing in its Erie, PA, Facility since its inception in 1953, And has long been a leader in the industry, Offering a wide range of products from caps and plugs to more unique products like fasteners and core plugs.