VSI Member Companies
VSI membership is composed of manufacturers of vinyl and other polymeric siding and suppliers to the industry. To contact manufacturers directly about specific product information, see our manufacturers contact list.
Click here to find out how to become a VSI member.
*Manufacturer Members indicated with Asterisk.
- Alternative Rubbers & Plastics, Inc.
- American Maplan Corporation
- American Original Building Products LLC*
- Americhem, Inc.
- Architectural Testing, Inc.
- Arkema Inc.
- Associated Materials Incorporated*
- Atlas Material Testing Technology LLC
- CertainTeed Corporation*
- Color Master, Inc.
- Dow Chemical Company
- Formosa Plastics Corp. USA
- Georgia Gulf Corporation
- Heartland Siding*
- Holland Colours Americas Inc.
- Honeywell International, Inc.
- IHS Chemical
- JP Industrial Products
- Kaneka Texas Corporation
- KP/Kaycan*
- Lanier Color Company, Inc.
- Lianda Corporation
- Mid-America Siding Components
- Milacron Inc.
- Mitten Inc.*
- Norac, Inc.
- Novik, Inc.*
- OMYA, Inc.
- Oxy Vinyls LP
- Penn Color, Inc.
- Ply Gem Siding Group* (formerly Alcoa Home Exteriors, Inc. and Variform, Inc.)
- Progressive Foam Technologies, Inc.
- Q-Lab Corporation
- RADCO
- Rheogistics, LLC
- Royal Building Products*
- Shintech Inc.
- Style Crest, Inc.* (formerly Resource Materials Corporation)
- Styrolution USA
- The Foundry*
- The Shepherd Color Company
- Westlake Chemical Corporation