COMPANIES IN THIS INDUSTRY

ADSI – AMERICAN DISPOSAL SERVICES INC
ADSW – Advanced Disposal Services, Inc.
AHII – AMERICAN HERITAGE INTERNATIONAL INC.
AQMS – Aqua Metals, Inc.
ATGC – ATG INC
ATIS – ATTIS INDUSTRIES INC.
AW – ALLIED WASTE INDUSTRIES INC
AWX – Avalon Holdings Corporation
AXU – Alexco Resource Corp
BFI – BROWNING FERRIS INDUSTRIES INC
BMTL – BIOMEDICAL TECHNOLOGY SOLUTIONS HOLDINGS INC
BSHF – BIOSHAFT WATER TECHNOLOGY, INC.
CAPI – CAPRIUS INC
CESX – CES SYNERGIES, INC.
CHRA – CHARAH SOLUTIONS, INC.
CLH – Clean Harbors, Inc.
CREG – China Recycling Energy Corporation
CVA – Covanta Holding Corporation
CWST – Casella Waste Systems, Inc.
DAR – Darling Ingredients Inc.
DRTK – DURATEK INC
ECCO1 – EARTHCARE CO
ECEZ – ECOSCIENCES, INC.
ECOL – US Ecology, Inc.
EEI – Ecology and Environment, Inc.
ELSF – ENVIRONMENTAL SAFEGUARDS INC
ENVG – ENVIROGEN INC
ES1 – ENERGYSOLUTIONS, INC.
FDGT – FLUOR DANIEL GTI INC
GZEA – GZA GEOENVIRONMENTAL TECHNOLOGIES INC
IDSA – Industrial Services of America, Inc.
ITX – IT GROUP INC
KGHI – KAISER GROUP HOLDINGS INC
LOOP – Loop Industries, Inc.
MWDS – MED WASTE INC
MWSI – MERCURY WASTE SOLUTIONS INC
NES – Nuverra Environmental Solutions, Inc.
NEWA – Newater Technology, Inc.
NRCG – NRC GROUP HOLDINGS CORP.
NSCC – NSC CORP
PESI – Perma-Fix Environmental Services, Inc.
PGTK – PACIFIC GREEN TECHNOLOGIES INC.
PSCDE – PHILIP SERVICES CORP
QRHC – Quest Resource Holding Corporation.
RSG – Republic Services, Inc.
SENR – STRATEGIC ENVIRONMENTAL & ENERGY RESOURCES, INC.
SEVN – SEVENSON ENVIRONMENTAL SERVICES INC
SK – SAFETY KLEEN CORP
SMED – Sharps Compliance Corp.
SRCL – Stericycle, Inc.
SUPR1 – SUPERIOR SERVICES INC
SYGR – SYNAGRO TECHNOLOGIES INC
TCCC – 3CI COMPLETE COMPLIANCE CORP
THN – THERMORETEC CORP
UPSL – U S PLASTIC LUMBER CORP
USLQ – U S LIQUIDS INC
VALE1 – VALLEY SYSTEMS INC
VTNR – Vertex Energy, Inc
WCAA – WCA WASTE CORP
WCN – Waste Connections, Inc.
WM – Waste Management, Inc.
WMX – WASTE MANAGEMENT HOLDINGS INC
WSII – WASTE SERVICES, INC.
WSII1 – WASTE SYSTEMS INTERNATIONAL INC
WSTNA – WESTON ROY F INC
WWIN1 – WASTE INDUSTRIES USA INC