| 4Refuel Canada Ltd. | http://www.4refuel.com |
| 4RF Communications | http://www.4rf.com |
| ABB Grain (NZ) Ltd. | |
| ABC American Biofuels Council | http://www.americanbiofuelscouncil.com |
| Abengoa Bioenergy Corporation | http://www.abengoabioenergy.com |
| ABG Limited - North America | http://www.abgbiodiesel.com |
| ABIODiesel | http://www.abiodiesel.org.br |
| Abonar Consultants (CANADA) | http://www.abonarconsultants.com |
| Abou Walid Group | http://www.abouwalid-group.com |
| Absolute Filters | http://www.absolutefilters.com.au |