| 1. Eco-Blok |
| Erosion control product made from recycled rubber tires, that replaces sand bags. Product specifications and dealer contacts. |
| http://www.eco-blok.com/ |
| 2. International Bioengineering Group |
| Germany. Developers of fiber modules, and plant pallets and carpets for the prevention of soil erosion and lakeside restoration applications. English and Germn. |
| http://www.bestmann-green-systems.de/ |
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| 3. Ohio Valley Lightning Protection, Inc. |
| Specialists in commercial, residential and industrial lightning protection and grounding systems. |
| http://www.lightning-systems.com/ |
| 4. Rubbersidewalks |
| Offers a modular paving system that are made with ground up rubber tires which last longer than concrete near tree roots and are easier for people to walk on. |
| http://www.rubbersidewalks.com |
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