About Our Company

Proto Corporation is the leading manufacturer of PVC Fitting Covers and Jacketing systems for the insulation industry. We offer hundreds of different products in a variety of colors and sizes and have built a reputation as an industry innovator. Our constant pursuit towards the development of superior insulation coverings and vapor retarding systems, has made us the industry standard since 1980.

At Proto, we believe innovation is the key to delivering the highest quality product to our customers. We operate with a constant emphasis on research & development, along with an in house mold shop and chemical testing laboratory.

Proto Corporation is dedicated to serving our customers with uncompromising standards of quality and service. We are always here to help answer any questions you may have regarding sizing and product application. If we don't offer exactly what you are looking for, we can custom design something specifically for your application and needs. Call us today to experience the difference that our service team can make for you.