Plastic Lumber Trade Association
- The official voice of the plastic lumber industry. Objectives, officers, membership application form and details of meetings.
- http://www.plasticlumber.org/

Plastics Resource
- Provides information on plastic lumber and the environment with a focus on resource conservation issues.
- http://www.plasticsresource.com/

Recycled Plastic Products Directory
- Helps private and public sector buyers identify products made with or packaged in recycled plastic.
- http://sourcebook.plasticsresource.com/

NAHB Research Center
- Housing technology and management systems for durable houses from materials including recycled plastics. It includes a section on plastic lumber.
- http://www.nahbrc.org

Eco-Friendly Products
- The internet's European recycling market place, products made of recycled plastics such as plastic lumber, exchange.
- http://euro.recycle.net/a/7060.html

Plasticx Universe Associations Directory
- Plasticx Universe provides a comprehensive Associations directory index for our business-to-business trading community hub portal.
- http://www.plasticx.com/plasticx/assn/

The Internet Consumer Recycling Guide
- This recycling guide provides a starting point for consumers in the USA and Canada searching the net for recycling information.
- http://www.obviously.com/recycle/

Polychange
- A free electronic information exchange service, for scrap plastic recycling, buy, sell and trade listings.
- http://www.plasticx.com/plasticx/plast_xx.html

Pallet Suppliers Plastic Lumber Directory
- Guide to managing pallets from Ohio EPA for those seeking to use plastic or fiber composite pallets as an alternative to wood.
- http://www.epa.state.oh.us/opp/recyc/pallet2.html

Association. of New Jersey Recyclers
- Home page of the organization which is comprised of professionals committed to environmental sustainability through sound resource management.
- http://www.anjr.com/

Environmental Building News
- Periodical on environmentally responsible design and construction.
- http://www.buildinggreen.com

Recycling Council of Ontario
- Information source for the waste management industry and general public. Links to recycling information sites.
- http://www.rco.on.ca

Global Recycling Network
- Free access public site dedicated to recycling related information.
- http://grn.com/grn/

Landscaping Timbers and Posts
- EPA fact sheet about plastic lumber.
- http://www.epa.gov/cpg/products/timbers.htm

Park and Recreation Product Manufacturers
- The largest compilation of companies, residential and Commercial involved in this industry, consultants, industry publications, and plastic lumber suppliers.
- http://www.world-playground.com/com.htm