| A&B Process Systems | 325 |
| Absolute Power and Communications, Inc. | 937 |
| ADF Engineering | 619 |
| ADI Systems Inc. | 938 |
| AGRA Industries, Inc. | 925 |
| AIAT Anstalt | 140, 241 |
| Air Resource Specialists, Inc. | 835 |
| Alberici Constructors | 133 |
| Alfa Laval, Inc. | 315, 317 |
| American Coalition for Ethanol | 1235 |
| American Tank & Vessel, Inc. | 1008 |
| American Yeast Corporation | 1334 |
| AMG, Inc. | 818 |
| Andy J. Egan Company | 723 |
| Angel Yeast Co., Ltd. | 711 |
| Anhydro Inc. | 525 |
| ANTIOCH International, Inc. | 734 |
| Anton Paar USA | 812 |
| Apache Stainless Equipment Corp | 519 |
| APECS, Inc. | 216 |
| Applikon Biotechnology | 413 |
| Aqua Power Inc. | 713 |
| Ashland Inc. | 117, 119 |
| ASI Industrial | 312 |
| ATEC Steel Fabrication and Construction | 1010 |
| BetaTec Hop Products | 433 |
| BinMaster Level Controls | 341 |
| BioFuels Automation | 738, 740, 742 |
| Biofuels International | 612 |
| Biofuels Journal | 913 |
| Biomass Products and Technology | 839 |
| Bliss Industries, LLC | 1115 |
| Boulay, Heutmaker, Zibell & Co. | 238 |
| Buckman Laboratories, Inc. | 1211 |
| Buhler Inc. | 411 |
| Burns & McDonnell | 412 |
| BWF America | 310 |
| Canadian Renewable Fuels Association | 622 |
| CECO Environmental | 516, 617 |
| Center Point Energy Services, Inc. | 116 |
| Centrisys Corp | 822 |
| Christianson & Associates, PLLP | 1325 |
| CHS Renewable Fuels Marketing | 722 |
| Cloud/Sellers Cleaning Systems | 125 |
| CompuWeigh Corporation | 710 |
| Conveyor Engineering & Mfg Co. | 1140 |
| CPT Cereal Process Technologies | 816 |
| CRANE Energy Flow Solutions | 1215, 1217 |
| Crown Iron Works Company | 1011 |
| Davenport Dryer | 225 |
| Decanter Machine, Inc. | 717 |
| Determan Brownie, Inc. | 1012 |
| Dionex Corporation | 1014 |
| Easy Energy Systems, Inc. | 214 |
| EISENMANN | 833 |
| Encore Business Solutions | 322 |
| ETS Laboratories | 1117 |
| Extrel CMS | 917 |
| Fagen Inc. | 725 |
| FCStone | 1333 |
| FeedForward, Inc. | 939 |
| Ferm Solutions | 111, 113 |
| Fermentis - Lesaffre | 625 |
| FlaktWoods | 811 |
| Flottweg Separation Tech | 739, 741 |
| Fluid Engineering | 719, 721 |
| Fluid Quip, Inc. | 1320 |
| FM Global | 714 |
| Foss North America | 638 |
| Freez-it-Cleen | 923 |
| Fremont Industries | 1133 |
| FWS Technologies Ltd. | 118 |
| Gamajet Cleaning Systems, Inc. | 623 |
| GE Healthcare Life Sciences | 544 |
| GE Water & Process Technologies | 538 |
| GEA Barr-Rosin Inc. | 1136, 1138 |
| GEA Westfalia Separator | 1134 |
| GENENCOR A Danisco Division | 425 |
| Genesis III | 743 |
| GRACE Davison | 319 |
| Grasp Ind. e Com. Ltda | 338, 439 |
| Growth Energy | 211 |
| Harris Group Inc. | 217 |
| Hogenson Construction | 914 |
| Hydro-Klean, Inc. | 532, 534, 536 |
| Hydro-Thermal Corporation | 418 |
| ICM, Inc. | 1125 |
| Inbicon North America | 1233 |
| Indeck Power Equipment Company | 339 |
| Industrial Scientific Corporation | 313 |
| Innospec Fuel Specialties | 637 |
| Intertek | 644 |
| Itasca Systems | 1213 |
| Jacobs Corporation | 821 |
| John Zink Company | 1040 |
| Kahler Automation Corp. | 1013 |
| Kaltron, Inc. | 935 |
| KBR Downstream | 218 |
| Kennedy and Coe, LLC | 1112, 1114 |
| Kice Industries, Inc. | 1118 |
| Laidig Systems, Inc. | 515 |
| Lallemand Ethanol Technology | 1025 |
| Larox Oyj | 1039 |
| M & W Contractors, Inc. | 1332 |
| Malcolm Pirnie, Inc. | 640 |
| Marcus Construction Company | 1322 |
| Mason Manufacturing, Inc. | 819 |
| MCC, Inc. | 423 |
| Metrohm USA | 518 |
| Midwest Towers, Inc. | 1324 |
| Miller Insulation Co., Inc. | 817 |
| Mist Chemical and Supply Co. | 720 |
| Mitchell County Georgia | 815 |
| Monitortech Corporation | 220 |
| Nalco | 435 |
| National Corn-to-Ethanol Research Center | 919, 921 |
| Neogen Corporation | 222 |
| North American Bioproducts Corp. | 834, 836, 838 |
| Northwest Scientific, Inc. | 1017 |
| Novozymes | 1033 |
| Orival Water Filters | 918 |
| Ortman Ethanol Water Resources | 1015 |
| Pace Analytical Services, Inc. | 642 |
| Pavilion Technologies | 333 |
| PeopleFlo Manufacturing, Inc. | 1116 |
| Perten Instruments NA, Inc. | 633 |
| Phibrochem | 533 |
| Pinnacle Engineering, Inc. | 414 |
| Pioneer Hi-Bred International, Inc. | 733 |
| POET | 611 |
| Premium Plant Services, Inc. | 335 |
| ProQuip, Inc. | 1237 |
| Protectoseal Company, The | 716 |
| Quality Technology International | 820 |
| R&R Contracting INC. | 916 |
| R-Biopharm, Inc. | 223 |
| Renewable Fuels Association | 712 |
| Renewal Service Inc. | 639 |
| Resonant BioSciences, LLC. | 1225 |
| Rich Connell AGRI-SEARCH Inc. | 115 |
| Roeslein & Associates, Inc | 511 |
| Scott Equipment Company | 321 |
| Seneca Companies | 416 |
| SGS North America Inc. | 323 |
| Shuttlewagon | 219 |
| Siemens Industry, Inc. | 911 |
| Sosland Publishing | 718 |
| Stanley Consultants, Inc. | 715 |
| Sukup Manufacturing Co. | 825 |
| Sulzer Process Pumps, Inc. | 933 |
| Tapco Inc. | 813 |
| The Arnold Company | 121, 123 |
| The IMA Financial Group, Inc. | 1219 |
| The Walling Company | 724 |
| Total Filtration Services | 837 |
| Tramco, Inc | 1113 |
| TranSystems Corporation | 618, 620 |
| Trident Automation, Inc. | 736 |
| Trihydro Corporation | 445 |
| U.S. Tsubaki, Inc. | 823 |
| U.S. Water Services | 233 |
| Univar USA Inc. | 1223 |
| USDA/ARS/NAA/ERRC | 915 |
| Veolia Water Solutions & Technologies - HPD | 614, 616 |
| Verenium Corporation | 1111 |
| Vertical Software, Inc. | 513 |
| Victaulic Company | 912 |
| Vogelbusch USA Inc. | 1310, 1312 |
| W. Soule & Company | 1019 |
| Watson-Marlow Pumps Group | 814 |
| WB Services, LLC | 523 |
| WestMor Industries | 212 |
| WIKA Instrument Corporation | 517 |
| Zeochem, LLC | 635 |