| 3LOG Systems | 801 |
| A&B Process Systems | 610 |
| ABBOTT Energy Systems | 613 |
| Abengoa | 218 |
| Abresist Kalenborn Corporation | 810 |
| Ace Glass | 225 |
| ADI Systems, Inc. | 721 |
| Adolfson & Peterson | 411 |
| Advanced Recycling Equipment, Inc | 829 |
| AeriNOx Inc. | 813 |
| AGRA Industries, Inc. | 413 |
| Aloterra Energy, LLC | 909 |
| Altech Environment USA | 603 |
| Amandus Kahl USA Corp | 628, 630 |
| AMEC | 402 |
| AMECO SA | 400 |
| Ameristar Biofuels, LLC | 204 |
| Andritz | 201 |
| Andy J. Egan Company, Inc. | 123 |
| ANKOM Technology | 102 |
| Apache Stainless Equipment Corporation | 224 |
| Applied Chemical Technology | 713 |
| Arizona Instrument, LLC | 421 |
| ASI Industrial | 711 |
| ATEC Steel Fabrication and Construction | 512 |
| Atlas Systems, LLC | 905 |
| Aumund Corporation | 626 |
| Babcock & Wilcox Company | 601 |
| Bandit Industries, Inc. | 902 |
| Barr/Genivar, Inc. | 220 |
| Basic Machinery Co., Inc. | 118 |
| BBI Consulting LLC | 331 |
| Beltomatic/Biogreen | 510 |
| Bioenergy Insight | 107 |
| Biomass Briquette Systems, LLC | 508 |
| Biomass Power & Thermal | 229 |
| Biomass Products & Technology | 824 |
| Biomass Thermal Energy Council | 109 |
| BioVantage Resources | 524 |
| Bliss Industries, LLC | 320 |
| Brad Penn Lubricants | 111 |
| BRUKS Rockwood, Inc. | 703 |
| Brunette Industries, Ltd. | 925 |
| Buettner GmbH | 521 |
| Buhler, Inc. | 213, 312 |
| Bureau Veritas Certification | 105 |
| Christianson & Associates, PLLP | 221 |
| City of Benson / Swift County | 427 |
| Clean Energy Renewable Fuels | 927 |
| CleanAir Engineering | 922 |
| ClearSpan Fabric Structures | 820 |
| Cogent Industrial Technologies, Ltd. | 410 |
| Colorado Lining International | 409 |
| Consolidated Terminals & Logistics | 405 |
| Continental Technologies LLC | 910 |
| Cooling Tower Depot, Inc. | 900 |
| Cousineau Forest Products | 528 |
| CPM | 501 |
| Crom | 131 |
| CST Storage | 818 |
| CTI Cooling Technology Institute | 923 |
| Custom Instrumentation Services Corp - CiSCO | 122 |
| DeJaye Technologies LLC | 223 |
| Detroit Stoker Company | 128 |
| Dieffenbacher, Inc. | 831 |
| Dome Technology | 819 |
| DOMTEC International | 904 |
| DORSSERS INC | 1030 |
| Dresser-Rand / Guascor Power | 719 |
| Drying Technology, Inc. | 828 |
| Durr Systems, Inc. | 103 |
| Ebner Vyncke | 228 |
| Ecostrat Inc | 430 |
| EERC Energy & Environmental Research Center | 303 |
| EISENMANN | 302 |
| Elliott Group | 325 |
| Enerquip, LLC | 100 |
| ERM Environmental Resources Management | 125 |
| Evergreen Engineering | 920 |
| Exponent - Failure Analysis Associates | 124 |
| Fagen, Inc. | 605 |
| Firefly AB | 620 |
| FlexEnergy | 928 |
| Flottweg Separation Tech | 407 |
| Fusion Tanks & Silos | 422 |
| Garick, LLC | 301 |
| GE Energy Air Filtration | 930 |
| GEA Barr-Rosin | 611 |
| GEA Westfalia Separator | 609 |
| General Kinematics Corporation | 429 |
| Genesis III | 106 |
| GreCon, Inc. | 729 |
| Green Tech America, Inc. | 708 |
| Greenberry Industrial | 931 |
| Hallco Industries, Inc. | 704 |
| Heyl & Patterson, Inc. | 511 |
| Hoerbiger Compression Technology of America Holding, Inc | 710 |
| Hunt, Guillot & Associates, LLC | 112 |
| Hurst Boiler & Welding Co., Inc. | 313 |
| ICM, Inc. | 203 |
| Imerys | 419 |
| Inergy Plus Technologies | 919 |
| International Process Plants - IPP | 706 |
| Intertek | 809 |
| Jackson Lumber Harvester Co. | 608 |
| Jacobs Corporation | 321 |
| Jansen Combustion & Boiler Technologies, Inc | 803 |
| Jeffrey Rader | 113 |
| JWC Environmental | 206 |
| KABB - Kansas Alliance for Biorefining and Bioenergy | 130, 1000 |
| Keith Mfg. Co. | 621 |
| Kice Industries, Inc. | 323 |
| Komptech USA Inc. | 701 |
| Konecranes America, Inc. | 208 |
| KSB, Inc. | 120 |
| Laidig Systems, Inc. | 522 |
| Larson Engineering, Inc. | 1034 |
| LM Machinery and Equipment, LLC | 712 |
| Lockheed Martin | 918 |
| Lotus Mixers Inc./LOTUS Process Group LLC | 702 |
| Maas Companies | 811 |
| Matrix Service Company | 519, 618 |
| McGill AirClean, LLC | 403 |
| M-E-C Company | 423 |
| MEGTEC Systems, Inc. | 731 |
| Merrick & Company | 607 |
| Metso | 219 |
| Microbac Laboratories Hauser Division | 921 |
| Miron Construction Co., Inc. | 305 |
| Moisttech | 426 |
| Monitortech Corporation | 929 |
| Morris, Manning & Martin, LLP | 631 |
| Muyang Biomass Engineering Company | 404 |
| NAES Corporation | 723 |
| NC's Northeast Commission | 329 |
| North American Industrial Services | 431 |
| North Carolina's Southeast | 230 |
| Northline Industries | 912 |
| NUCOR Building Systems | 802 |
| Outotec Energy Products | 104 |
| Ovivo GWE | 730 |
| Pacific PowerStock, LLC | 901 |
| Pellet Fuels Institute | 127 |
| PHG Energy | 327 |
| Pratt & Whitney Power Systems | 428 |
| Precision Energy Services, Inc. | 324 |
| Process and Storage Solutions | 913 |
| Process Sensors Corporation | 525 |
| ProcessBarron | 805 |
| Processbio | 202 |
| PRODESA | 830 |
| Protectoseal Company, The | 210 |
| QS Biodiesel Ltd. | 924 |
| Rapat Corporation | 322 |
| Rawlings Waste Wood Recovery Systems | 800 |
| Rayeman Elements Inc. | 908 |
| REHAU Incorporated | 529 |
| REPREVE Renewables | 513 |
| Resource Recycling System | 110 |
| Retsch US | 418 |
| RISI | 518 |
| Roeslein & Associates, Inc. | 530 |
| Rotochopper, Inc. | 1033 |
| Rovanco Piping Systems | 509 |
| RUD Chain, Inc. | 311 |
| S. Howes | 915 |
| Scantech International | 101 |
| Scheuch, Inc. | 408 |
| Schutte-Buffalo Hammer Mill | 121 |
| Scott Equipment Company | 108 |
| Screw Conveyor Corporation | 503 |
| SHW Storage & Handling Solutions GmbH | 821 |
| Siemens Industry, Inc. | 319 |
| Smith & Loveless, Inc. | 307 |
| Stinger Inc. | 424 |
| Stoel Rives, LLP | 520 |
| Supertrak, Inc. | 827 |
| TDA Research | 826 |
| Thomas and Muller Systems Ltd | 406 |
| Timber Products Inspection/Biomass Energy Laboratories | 825 |
| Trace Environmental Systems, Inc. | 823 |
| Tri-Mer Corporation | 523 |
| TS Manufacturing Co | 807 |
| Twin Ports Testing, Inc. | 129 |
| U.S. Water Services | 911 |
| Urecon Pre-Insulated Pipe | 425 |
| US Department of Energy Biomass Program | 526 |
| USDA Forest Service | 126 |
| UTS BioEnergy | 531 |
| VAN DYK recycling solutions | 907 |
| Vaughan Company, Inc. | 727 |
| Vecoplan Midwest | 822 |
| Vecoplan, LLC | 200 |
| Vermeer Corporation | 420 |
| VibraFloor | 906 |
| Victaulic | 507, 606 |
| Vilter Manufacturing | 222 |
| Warren & Baerg Manufacturing, Inc. | 226 |
| Weis Environmental | 622 |
| West Salem Machinery Co. | 725 |
| Western Ag Enterprises, Inc. | 309 |
| Western Pneumatics, Inc. | 619 |
| Willow Biomass Energy Group | 527 |
| Wm. W. Meyer and Sons, Inc. | 926 |
| Wolf Material Handling Systems | 624 |
| Wood Bioenergy Magazine | 903 |
| Zachry | 504, 506 |