| AMBIQ | Ambipar Emergency Response | Dec 31 |
| ATEK | Athena Technology Acquisition Corp. II | Dec 31 |
| CLH | CLEAN HARBORS INC | Dec 31 |
| PESI | PERMA FIX ENVIRONMENTAL SERVICES INC | Dec 31 |
| SKYQ | Sky Quarry Inc. | Dec 31 |
| 3CI COMPLETE COMPLIANCE CORP | Sep 30 |
| Ace Green Recycling, Inc. | Mar 31 |
| ADVANCED RECYCLING SCIENCES INC | Dec 31 |
| Advance Green Energy Inc | Dec 31 |
| AMANASU ENVIRONMENT CORP | Dec 31 |
| AMERICAN ENVIRONMENTAL CORP | Jun 30 |
| AMETECH INC | Dec 31 |
| AMWEST ENVIRONMENTAL GROUP INC | Aug 31 |
| ATG INC | Dec 31 |
| ATLANTIS GROUP INC | Dec 31 |
| BacTech Environmental Corp | Dec 31 |
| BENNETT ENVIRONMENTAL INC | Dec 31 |
| BIOMEDICAL TECHNOLOGY SOLUTIONS HOLDINGS INC | Jul 31 |
| BIOMEDICAL WASTE SYSTEMS INC | Dec 31 |
| CAPITAL RESERVE CANADA LTD | Dec 31 |
| CAPRIUS INC | Dec 30 |
| Carbon Zero Technologies International Inc. | |
| CES Synergies, Inc. | Dec 31 |
| CET SERVICES INC | Dec 31 |
| Charah Solutions, Inc. | Dec 31 |
| CHEMPOWER INC | Dec 31 |
| China Xuefeng Environmental Engineering Inc. | May 31 |
| COLUMBIA WESTERN INC | Dec 31 |
| COMMODORE APPLIED TECHNOLOGIES INC | Dec 31 |
| CONSOLIDATED ECO SYSTEM INC | Dec 31 |
| Deep Green Waste & Recycling, Inc. | Dec 31 |
| DURATEK INC | Dec 31 |
| EARTHCARE CO | Dec 31 |
| ECO2 PLASTICS INC | Dec 31 |
| EnergySolutions, Inc. | Dec 31 |
| ENVIRO CLEANSE INC. | May 31 |
| ENVIROGEN INC | Dec 31 |
| ENVIRONMENTAL SERVICES OF AMERICA INC | Dec 31 |
| ENVIROPACT INC | Jun 30 |
| EPI TECHNOLOGIES INC/DE | Feb 28 |
| ESC ENVIROTECH SYSTEMS CORP | Dec 31 |
| ESESIS INC | |
| EVERCLEAR INTERNATIONAL INC | Dec 31 |
| FLUOR DANIEL GTI INC | Oct 31 |
| Freedom Environmental Services, Inc. | Dec 31 |
| GlenRose Instruments Inc. | |
| GLOBAL ECO-LOGICAL SERVICES INC | Dec 31 |
| GNI GROUP INC /DE/ | Jun 30 |
| GZA GEOENVIRONMENTAL TECHNOLOGIES INC | Feb 28 |
| HORSEHEAD RESOURCE DEVELOPMENT CO INC | Dec 31 |
| IDM ENVIRONMENTAL CORP | Dec 31 |
| INDUSTRIAL ECOSYSTEMS INC | Dec 31 |
| IT GROUP INC | Mar 31 |
| KAISER GROUP HOLDINGS INC | Dec 31 |
| KINGSFIELD CAPITAL CORP | |
| Li-Cycle Holdings Corp. | Dec 31 |
| MARTECH USA INC | Aug 31 |
| MedClean Technologies, Inc. | Dec 31 |
| MED WASTE INC | Dec 31 |
| MERCURY WASTE SOLUTIONS INC | Dec 31 |
| MOBLEY ENVIRONMENTAL SERVICES INC | Dec 31 |
| MOLTEN METAL TECHNOLOGY INC /DE/ | Dec 31 |
| NATIONAL MEDICAL WASTE INC /DE/ | Dec 31 |
| NNRF, INC. | Dec 31 |
| NRC GROUP HOLDINGS CORP. | Dec 31 |
| NSC CORP | Dec 31 |
| Nth Cycle Inc. | Dec 31 |
| OHM CORP | Dec 31 |
| OILBOB Corp | Dec 31 |
| OP TECH ENVIRONMENTAL SERVICES INC | Dec 31 |
| Pacific Green Technologies Inc. | Mar 31 |
| PDG ENVIRONMENTAL INC | Jan 31 |
| POWERLINK DIGITAL PARTNERS I, INC. | Dec 31 |
| QHY GROUP | Dec 31 |
| REPUBLIC RESOURCES INC /CO/ | Dec 31 |
| REXX ENVIRONMENTAL CORP | Dec 31 |
| SAFETY KLEEN CORP/ | Aug 31 |
| SAFETY-KLEEN, INC | Dec 29 |
| SAFETY KLEEN SERVICES INC | Aug 31 |
| SECURITY ENVIRONMENTAL SYSTEMS INC | Jun 30 |
| SEVENSON ENVIRONMENTAL SERVICES INC | Dec 31 |
| SHARPS COMPLIANCE CORP | Jun 30 |
| Solanbridge Group, Inc. | Dec 31 |
| STERICYCLE INC | Dec 31 |
| Strategic Environmental & Energy Resources, Inc. | Dec 31 |
| SUB SURFACE WASTE MANAGEMENT OF DELAWARE INC | Sep 30 |
| SUPERIOR SERVICES INC | Dec 31 |
| THERMOENERGY CORP | Dec 31 |
| THERMORETEC CORP | Apr 3 |
| TRAVEL DYNAMICS INC | Jun 30 |
| TRI CLEAN ENTERPRISES INC | Dec 31 |
| URBAN AG. CORP | Dec 31 |
| U S LIQUIDS INC | Dec 31 |
| US MICROBICS INC | Sep 30 |
| U S PLASTIC LUMBER CORP | Dec 31 |
| VECTRA TECHNOLOGIES INC | Dec 31 |
| VeruTEK Technologies, Inc. | Dec 31 |
| VITABIO INC | |
| WESTON ROY F INC | Dec 31 |
| WINDSWEPT ENVIRONMENTAL GROUP INC | Jun 30 |