| 4B Components, Ltd. | 1737 |
| ACE American Coalition for Ethanol | 701, 800 |
| ADF Engineering, Inc. | 1432 |
| AGRA Industries, Inc. | 727 |
| Angel Yeast Co., Ltd. | 1837 |
| Antora Energy | 2022, 2023, 2024 |
| Apache Industrial Services, Inc. | 601 |
| Apex Industrial Solutions, Inc. | 327 |
| Apex Water & Process | 1413 |
| Applied Products Thermal Products Group | 1736 |
| Axion | 1035 |
| Beyond Agribusiness Solutions | 1337 |
| BioIntelligence Technologies Inc. | 1623 |
| Campbell-Sevey | 1635 |
| Carbis Solutions Group, LLC | 1013 |
| CEM Corporation | 1433 |
| Chemelex | 1637 |
| Christianson PLLP | 1507 |
| Classic Industrial Services | 1228 |
| CNC Flow Control | 506 |
| CompuWeigh Corporation | 1335 |
| Conveyor Engineering & Mfg. Co. | 2054 |
| Cooling Tower Depot, Inc. | 1300, 1302 |
| Custom Concrete Specialists | 437 |
| CWS Construction Services | 1429 |
| dataPARC | 1430 |
| Decker Electric, Inc. | 1232 |
| Dowco Valve Company | 1135 |
| Durr CTS, Inc. | 823 |
| DXP Enterprises | 409, 508 |
| Eagle Services Corporation | 1031 |
| Edeniq, Inc. | 514 |
| Ferm Solutions, Inc. | 1536 |
| First, Verify | 729 |
| Flottweg Separation Tech | 933 |
| Franzenburg Centrifuge | 513 |
| GALLOP | 932 |
| GEA Group | 723 |
| Gilbert Industries, Inc. | 809 |
| Global Refractory Installers & Suppliers | 1503 |
| H2O Innovation | 908 |
| Hamilton Company | 413 |
| Heat Exchanger Group, Inc. | 2017, 2018 |
| Hengye, Inc. | 805 |
| Hutton Design + Builds | 836 |
| Hydrite Chemical Co. | 1508 |
| Hydro-Thermal Corporation | 2027 |
| IFF | 1021 |
| Innovative Technologies | 501 |
| IntegroEnergy Group, Inc. | 807 |
| Interra Global Corporation | 1203 |
| Interstates, Inc. | 1306 |
| J&D Construction, Inc. | 704 |
| Jackson Industrial Construction | 607 |
| KATZEN International, Inc. | 909 |
| Keit Industrial Analytics | 1129, 1127 |
| KEITH Manufacturing Co. | 826 |
| Kemin Bio Solutions | 1405 |
| KFI Engineers | 703 |
| Kinergetics, LLC | 1331 |
| Knight Material Technologies | 1327 |
| Komax Systems, Inc. | 936 |
| Leaf by Lesaffre | 1415 |
| Lotus Mixers, Inc./LOTUS Process Group, LLC | 801 |
| Maas Companies, Inc. | 1131 |
| Mapcon Technologies, Inc. | 1436 |
| Mason Manufacturing, LLC | 926 |
| Matrix Technologies, Inc. | 837 |
| Mechanical Systems, Inc. | 1301 |
| Merjent, Inc. | 934 |
| Midwest Cooling Tower Services | 803 |
| Midwest Custom Engineering, Inc. | 700, 702 |
| Mitsubishi Heavy Industries, Ltd | 928, 930 |
| MoistTech Corp. | 902 |
| Mole Master Services Corporation | 1426, 1428 |
| Nelson Baker Biotech | 1207 |
| Olsson | 1113 |
| P1 Service, LLC | 2019, 2020 |
| Paget Equipment Co. | 1427 |
| Paul Mueller Company | 313 |
| Pelican Energy Consultants | 802 |
| Phase Biolabs, Inc. | 1329 |
| Phibro Ethanol | 715 |
| Piller TSC Blower Corporation | 827 |
| Pinion | 1132 |
| Pinnacle Engineering, Inc. | 535 |
| Precision Rotary Equipment | 1535 |
| Premium Plant Services, Inc. | 1115, 1936 |
| Proco Products, Inc. | 1136 |
| ProQuip, Inc. | 1029 |
| Rail Safe Training, Inc. | 2048 |
| Refractory Service, Inc. | 1333 |
| Rentech Boiler Systems, Inc. | 1633 |
| Ryan & Associates, Inc. | 1033 |
| Salof Ltd, Inc. | 1128 |
| Schimberg Company | 626, 628 |
| Scott Equipment Company | 2045 |
| SCS Global Services | 900 |
| Seaton Construction Group | 1230 |
| Separator Technology Solutions | 2049 |
| SEPCO Sealing Equipment Products Co., Inc. | 523 |
| SGS North America, Inc. | 1604 |
| Siemens Industry, Inc. | 1919 |
| Soliton | 1037 |
| StoneAge Tools | 1937, 1935 |
| Sukup Manufacturing Co. | 706 |
| The Essmueller Company | 1437 |
| TMI Coatings Inc. | 1823 |
| Trident Automation, Inc. | 1915 |
| Trihydro Corporation | 1137 |
| TW Industrial Services Inc. | 2051 |
| VAA, LLC | 537 |
| VAINN SRL | 1304 |
| Valmet Flow Control | 527 |
| VetterTec, Inc. | 1234 |
| Viking Automatic Sprinkler Co. | 1226 |
| WCR Incorporated | 509, 608, 507, 606 |
| Westmor Industries, LLC | 1727 |
| Whitefox Technologies USA Inc. | 1015 |
| Williams Refractory Services, Inc. | 1134 |
| WINBCO | 1532 |
| World Kinect | 1236 |
| Woven Metal Products | 2028 |
| Zenviro Tech US, Inc. | 1723 |
| Zeochem, LLC | 426 |