| ADF Engineering, Inc. | 428 |
| AGRA Industries, Inc. | 608 |
| Air Resource Specialists, Inc. | 1032 |
| AirPro Fan & Blower Company | 1508 |
| Alliance Technical Group | 2038 |
| Allied Valve, Inc. | 1529 |
| American Coalition for Ethanol | 1201 |
| Anderson Chemical Co. | 2039, 2040 |
| Apache Stainless Equipment Corporation | 1527 |
| Applied Material Solutions, Inc. | 533 |
| Appruv | 1126 |
| Aspen Aerogels | 1233 |
| Barr Engineering Co | 1301 |
| BASF Enzymes, LLC | 421 |
| Battelle | 700 |
| BetaTec Hop Products, Inc. | 1421 |
| BioFuels Automation | 1223 |
| Bioleap, Inc | 801 |
| Bion Companies | 513 |
| Biosan, LLC | 1329 |
| Boerger, LLC | 2017 |
| Boss RailCar Movers | 2046 |
| Brown Tank, LLC | 1332 |
| BRUKS SIWERTELL | 1007 |
| Bulk Conveyors, Inc. | 824 |
| Bushel | 1030 |
| Butterworth, Inc. | 730 |
| Campbell-Sevey | 1428 |
| Chase Nedrow Industries | 507 |
| ChemTreat, Inc. | 232 |
| Christianson PLLP | 734 |
| Christy Catalytics, LLC | 402 |
| Clariant Corporation | 1413 |
| Clear Air Enviro- Services | 532 |
| Climate Engineers | 1630 |
| CompuWeigh Corporation | 601 |
| Conveyor Engineering & Mfg. Co. | 234 |
| Cooling Technology Institute (CTI) | 1406 |
| Cooling Tower Depot, Inc. | 503 |
| CTE Global, Inc. | 1221 |
| C-TEC AG | 733 |
| David H. Paul, Inc. | 509 |
| Demo Plus, Inc. | 1205 |
| Diesel Locomotive Company | 331 |
| Direct Companies | 1105 |
| Dowco Valve Company | 1104 |
| DraCool-USA | 535 |
| Durr Systems, Inc. | 623 |
| DXP Enterprises | 1307 |
| Eagle Services Corporation | 931 |
| Eco Specialized Services | 1231 |
| Eco-Energy, LLC | 721 |
| EcoEngineers | 1435 |
| Ecolab, Inc. | 1133 |
| Electro-Sensors, Inc. | 502 |
| Emerson | 2024, 2025 |
| Energy Integration, Inc. | 2016 |
| Ethanol Producer Magazine | 235 |
| Fagen, Inc. | 1321 |
| Ferm Solutions, Inc. | 725 |
| Flottweg Separation Tech | 833 |
| Fluid Quip Technologies, LLC | 1115 |
| Foundation Analytical Laboratory, Inc. | 835 |
| Gagnon, Inc. | 335 |
| GEA North America | 1434 |
| Genesis III | 631 |
| Global Refractory Installers & Suppliers | 1130 |
| Gorman-Rupp Pumps | 306 |
| Growth Energy | 1021 |
| H2O Innovation | 702 |
| Hayward Tyler, Inc. | 1033 |
| Hengye, Inc. | 1109 |
| HK Solutions Group | 1415 |
| Howden | 1102 |
| Hupp Electric Motors | 508 |
| Hydrite Chemical Co. | 603 |
| Hydro-Thermal Corporation | 501 |
| ICM, Inc. | 821 |
| IFF | 921 |
| Industrial Equipment & Parts | 523 |
| Industrial Sales Solutions, LLC | 400 |
| Innovative Plant Solutions, Inc. | 1107 |
| Innovative Technologies | 1400 |
| IntegroEnergy Group, Inc. | 1300 |
| Interpoll Laboratories, Inc. | 1229 |
| Interra Global Corporation | 1003 |
| Interstates, Inc. | 1009 |
| J&D Construction, Inc. | 1101 |
| J.C. Ramsdell Enviro Services, Inc. | 528 |
| Jackson Industrial Construction | 327 |
| Jacobs Corporation | 305 |
| Jasper Engineering & Equipment Company | 530 |
| KATZEN International, Inc. | 709 |
| K-Coe Isom | 1031 |
| Keit Spectrometers | 1235 |
| Kemin Biofuels | 606 |
| KESCO - Bliss Industries, LLC | 1202 |
| KFI Engineers | 312 |
| Knobelsdorff Electric | 1132 |
| Koch Engineered Solutions | 2018, 2019 |
| Komax Systems, Inc. | 1531 |
| Kurita America | 901 |
| L&M Ethanol Maintenance Contracting, Inc. | 2037 |
| Lallemand Biofuels & Distilled Spirits | 815 |
| Leaf by Lesaffre | 1315 |
| Louisville Dryer Company | 2045 |
| Maas Companies, Inc. | 1206 |
| Mapcon Technologies, Inc. | 1227 |
| Mason Manufacturing, LLC | 832 |
| MBA Energy & Industrial, LLC | 1626, 1628 |
| McC, Inc. | 1327 |
| Merjent, Inc. | 830 |
| Metrohm USA | 1335 |
| Midland Scientific, Inc. | 433 |
| Mid-States Millwright & Builders | 435 |
| Midwest Cooling Towers, Inc. | 526 |
| Midwest Ironworks | 1203 |
| Minnesota Bio-Fuels Association, Inc. | 1331 |
| MoistTech Corp. | 604 |
| Mole Master Services Corporation | 600 |
| Montrose Environmental Group, Inc. | 409 |
| MRC Global | 404 |
| Nalco Water, an Ecolab Company | 1135 |
| National Corn-to-Ethanol Research Center | 1313 |
| Nelson Baker Biotech | 1005 |
| NightStick By Bayco Products, Inc. | 627 |
| Novaspect, Inc. | 2026 |
| Novozymes | 1121 |
| O'Connor Kiln & Dryer | 426 |
| P&E Solutions, LLC | 1432 |
| P-A Industrial Services | 1330 |
| Pace Analytical Services, LLC | 1027 |
| Paget Equipment Co. | 729 |
| Painters USA, Inc. | 300 |
| PerkinElmer, Inc. | 1200 |
| Phibro Ethanol | 615 |
| Pinnacle Engineering, Inc. | 301 |
| Pioneer Industrial Corporation | 1334 |
| PRAJ Industries Limited | 315 |
| Precision Pulley & Idler | 633 |
| Premium Plant Services, Inc. | 1015 |
| Prentice | 1430 |
| ProQuip, Inc. | 826 |
| PROtect, LLC | 505 |
| PSRG, Inc. | 1602 |
| Qi2 Elements | 1623 |
| Rain for Rent | 1106 |
| Rapid Fire Protection, Inc. | 1304 |
| Renewable Fuels Association | 701 |
| Renewal Service, Inc. (RSI) | 1423 |
| Richard Industrial Group | 727 |
| RTP Environmental Associates, Inc. | 1328 |
| Rudolph Research Analytical | 1407 |
| Schimberg Company | 726 |
| Schroeder Environmental Cleaning | 1625 |
| Scott Equipment Company | 1611 |
| SCS Global Services | 1408 |
| Separator Technology Solutions | 828 |
| SEPCO Sealing Equipment Products Co., Inc. | 427 |
| SGS North America Inc | 629 |
| Shandong Longda Bio-products Co., Ltd. | 1513 |
| Sherwin Williams | 430 |
| Shuttlewagon | 2052, 2044 |
| Siemens Industry, Inc. | 216 |
| Solar Turbines Incorporated | 1433 |
| Solutions 4 Manufacturing | 1409 |
| SOS Leak Repair | 413 |
| Southern Heat Exchanger | 504 |
| ST Equipment & Technology | 929 |
| StoneAge Tools | 1635, 1633, 1631 |
| Sukup Manufacturing Co. | 1208 |
| Sulzer Pumps Solutions, Inc. | 2028, 2029, 2030, 2031 |
| Summit Carbon Solutions | 715 |
| Sutton International | 1426 |
| Sys-Kool Cooling Towers | 208 |
| Teikoku USA, Inc. | 1503 |
| The CMM Group | 1333 |
| The Walling Company | 323 |
| Thermal Kinetics, a division of RCM Technologies, Inc. | 621 |
| Trackmobile Railcar Movers | 1521, 2050 |
| Tranter, Inc. | 1215 |
| Trident Automation, Inc. | 214 |
| Trihydro Corporation | 933 |
| Trislot USA | 310 |
| Unison Energy, LLC | 1534 |
| VAA, LLC | 401 |
| Valley Equipment Company, Inc. | 1108 |
| ViewTech Borescopes | RF System Lab | 2014 |
| Viking Automatic Sprinkler Co. | 1028 |
| Vogelbusch USA, Inc. | 1029 |
| Warrior Mfg., LLC | 1326 |
| WCR Incorporated | 1303 |
| Westmor Industries, LLC | 1100 |
| Williams Refractory Services, Inc. | 732 |
| WINBCO | 1204 |
| World Kinect Energy Services | 434 |
| Woven Metal Products | 1103 |
| Xylome Corporation | 1302 |
| Zachry | 635 |
| Zenviro Tech US, Inc. | 1535 |
| Zeochem, LLC | 500 |