| A&B Process Systems | 414, 515 |
| ADF Engineering | 235 |
| ADI Systems Inc. | 538 |
| Aggreko Cooling Tower Service | 1440 |
| AGRA Industries, Inc. | 1206 |
| AIAT/Ondeo IS/Andritz | 407 |
| Air Resource Specialists, Inc. | 1023 |
| Alfa Laval, Inc. | 1402 |
| Allied Locke Industries | 1434 |
| AMEC | 637 |
| American Coalition for Ethanol | 738 |
| American Yeast | 840 |
| Anderson Chemical Co. | 403, 405 |
| Andy J. Egan Company | 803 |
| Angel Yeast Co., Ltd. | 1340, 1441 |
| ANTIOCH International, Inc. | 1014 |
| Apache Stainless Equipment Corp | 1436 |
| ARI Environmental Inc. | 1238 |
| Arisdyne Systems | 640 |
| Ashland Hercules Water Technologies | 905 |
| ATEC Steel Fabrication and Construction | 1133 |
| Balfour Beatty Rail, Inc. | 938 |
| Barr Engineering Company | 841 |
| BetaTec Hop Products | 915 |
| Bioengineering, Inc. | 1532 |
| BioFuels Automation | 1417 |
| Biothane | 1325 |
| Bliss Industries, LLC | 819 |
| Boerger LLC | 519 |
| Boulay, Heutmaker, Zibell & Co., LLP | 817 |
| Briggs of Burton Inc. | 1400 |
| Brown Tank LLC | 1505 |
| Buckman | 833 |
| Buhler Inc. | 1001 |
| Burns & McDonnell | 1414 |
| Butamax Advanced Biofuels LLC | 321 |
| Canadian Renewable Fuels Association | 1122 |
| Carter Day International | 1524 |
| CECA Molecular Sieves | 1307 |
| Cereal Process Technologies | 700 |
| Chemtex International Inc. | 1123 |
| Christianson & Associates, PLLP | 936 |
| CHS Renewable Fuels Marketing | 1525 |
| Cloud/Sellers Cleaning Systems | 1232 |
| CompuWeigh Corporation | 1236 |
| Contec Systems | 924 |
| Cooling Tower Depot, Inc. | 1223 |
| CPM Roskamp Champion | 1422, 1424 |
| CTE Global, Inc. | 205 |
| DASCO Inc. | 1135 |
| Decanter Machine Inc. | 1039 |
| Dedert Corporation | 415 |
| Determan Fluid Solutions | 720, 722 |
| Dowco Valve Company | 1041 |
| Drying Technology, Inc. | 1516 |
| DuPont FermaSure | 325 |
| EdeniQ, Inc. | 225 |
| Eide Bailly LLP | 1533 |
| EISENMANN | 1225 |
| Encore Business Solutions | 1321 |
| Enerquip, LLC | 939 |
| Enogen Syngenta | 901 |
| ERI Solutions, Inc. | 922 |
| ETS Laboratories | 1202, 1204 |
| Extrel CMS | 1035 |
| Fagen Inc. | 604, 606, 705, 707 |
| FCStone | 933 |
| Ferm Solutions | 714, 815 |
| Fermentis - Lesaffre | 607 |
| Flottweg Separation Tech | 425 |
| Fluid Engineering | 716 |
| Fluid Quip, Inc. | 839 |
| FM Global | 540 |
| Foundation Analytical Laboratory | 1416 |
| Freez-it-Cleen | 1006, 1107 |
| Fremont Industries | 1215 |
| Gamajet Cleaning Systems, Inc. | 1033 |
| GE Water & Process Technologies | 935 |
| GEA Barr-Rosin Inc. | 725 |
| GEA PHE Systems North America Inc. | 723 |
| GEA Westfalia Separator | 622 |
| GENENCOR A Danisco Division | 315 |
| Global Refractory Installers and Suppliers | 1501 |
| Growth Energy | 601 |
| Hengye USA | 304 |
| Himark bioGas | 801 |
| HPD | 1323 |
| Hydro-Klean, LLC | 1415 |
| Hydro-Thermal Corporation | 201 |
| ICM, Inc. | 715 |
| Inbicon Biomass Refinery | 1315 |
| Indeck Power Equipment Company | 1137 |
| Industrial Contract Services, Inc. | 1119 |
| Industrial Equipment & Parts | 217 |
| Inland Industrial Services Group, LLC | 1500 |
| Innospec Fuel Specialties | 1117 |
| IntegroEnergy Group, Inc. | 305 |
| Interra Global | 704 |
| Intertek Commodities | 536 |
| Jacobs Corporation | 1037 |
| John Crane Mechanical Seals | 633 |
| KATZEN International, Inc. | 1115 |
| KBR Downstream | 902, 904 |
| Kelso Technologies, Inc. | 740 |
| Kennedy and Coe, LLC | 925 |
| Kice Industries, Inc. | 823 |
| Laidig Systems Inc. | 602 |
| Lallemand Ethanol Technology | 623 |
| Land O' Lakes Purina Feed LLC | 718 |
| Lightnin Mixers - SPX Corp | 1404 |
| Lotus Mixers Inc./LOTUS Process Group LLC | 1337 |
| M&W Contractors, Inc. | 233 |
| Maas Companies | 703 |
| Mason Manufacturing, Inc. | 724 |
| MCC, Inc. | 1535 |
| Metrohm USA | 1420 |
| Midland Scientific, Inc. | 223 |
| Midwest Laboratories Inc. | 221 |
| Midwest Towers, Inc. | 219 |
| Miller Insulation Co., Inc. | 635 |
| Minnesota Valley Testing Laboratories | 303 |
| Mist Chemical and Supply Co. | 521 |
| Mole Master Services Corporation | 339, 341 |
| Monitortech Corporation | 1504 |
| Nagase America Corporation | 204 |
| National Corn-to-Ethanol Research Center | 416, 418 |
| Neogen Corporation | 302 |
| New Age Cryo | 1304 |
| New York Blower Company | 534 |
| North American Bioproducts Corp. | 1220, 1222, 1224 |
| Novozymes | 1015 |
| OI Analytical | 702 |
| Pace Analytical Services, Inc. | 934 |
| Perten Instruments Inc., NA | 825 |
| PetroChem Inspection Services | 1139 |
| PhibroChem Ethanol Performance Group | 1101 |
| Pinnacle Engineering, Inc. | 641 |
| Pioneer Hi-Bred International, Inc. | 323 |
| Pneumat Systems Inc | 1433 |
| Praj Industries Limited | 422, 523, 525 |
| Premium Plant Services, Inc. | 701 |
| Process Industry Practices | 1339 |
| ProQuip, Inc. | 1005 |
| Protectoseal Company, The | 1335 |
| Renewal Service Inc. | 1517 |
| Rockwell Software | 1407 |
| RTP Environmental Associates, Inc. | 1036 |
| Save Our Steam | 920, 1021 |
| ScanJet Inc. | 1032 |
| Schimberg Company | 541 |
| Scott Equipment Company | 1034 |
| Seneca Companies | 1403 |
| SGS North America Inc. | 1025 |
| Shuttlewagon | 338, 340, 439, 441 |
| Siemens Industry, Inc. | 807 |
| Spraying Systems Co. | 1016, 1018 |
| Sukup Manufacturing Co. | 838 |
| Sulzer Process Pumps, Inc. | 1301 |
| Superior Industries, LLC | 202 |
| The Andersons, Inc. | 501 |
| The Walling Company | 805 |
| Thomson Instrument Company | 1302 |
| Total Filtration Services | 639 |
| Tramco, Inc | 821 |
| Tranter, Inc. | 1007 |
| Trident Automation, Inc. | 1418 |
| Trihydro Corporation | 1405 |
| U.S. Water Services | 516, 518, 615, 617, 619 |
| United Sorghum Checkoff Program | 1534 |
| Univar USA Inc. | 517 |
| US Energy Services, Inc. | 1303 |
| VAA, LLC-Van Sickle, Allen & Associates | 1333 |
| Valley Equipment Company | 1003 |
| Vecoplan, LLC | 1140 |
| Verenium Corporation | 1207 |
| Vertical Software, Inc. | 741 |
| Watson-Marlow Pumps Group | 1305 |
| WB Services, LLC | 505 |
| WCR Incorporated | 203 |
| WINBCO | 906 |
| Wolseley Industrial Group | 1038 |
| Zachry | 435 |
| Zeochem, LLC | 1432 |