- AE
- AHT
- ALCS
- ANDE
- ATAX
- ATOC
- ATOS
- AWF
- BBY
- BJZ
- BLOX
- BTZ
- CAD
- CCC
- CCTR
- CET
- CFOK
- CHEP
- CHII
- CNPF
- CRCL
- CUPM
- CWEI
- DBEU
- DDDC
- DEX
- DLLR
- DNB
- DOL
- DTH
- DYAX
- DYN
- EDOG
- EGRX
- EJ
- ENCO
- ERHE
- ESR
- EVV
- EWSS
- F
- FC
- FDL
- FFR
- FFWC
- FOF
- FOIL
- FTNW
- FXD
- FXF
- GIMO
- GML
- GTE
- HIX
- HMSY
- IBA
- ICPW
- IHT
- INXN
- IOC
- IPAR
- IPOW
- IWD
- IWM
- IWZ
- KBA
- KCAP
- KCE
- LCM
- LIME
- LOR
- LPX
- LTL
- LUB
- MCF
- MDLZ
- MEN
- MES
- MFI
- MLN
- NORW
- NSR
- NSRS
- NURO
- OMCL
- ONCS
- OPOF
- OXFD
- PDLI
- PDT
- PHH
- PKG
- PPLT
- PWB
- PXI
- PXMV
- PZI
- QIWI
- RAS
- RDA
- REM
- RSCO
- RSH
- RSRV
- SBY
- SCHR
- SEA
- SH
- SIBC
- SIL
- SLM
- SLMU
- SNPS
- SPAR
- SPHB
- SPRO
- STAY
- TD
- TM
- TMV
- TUZ
- TWX
- UGE
- UTEK
- UWM
- VIOG
- VIXH
- VTSS
- VYST
- WIW
- WPP
- XNPT
- XRT
- XSD
Industrial Goods > Pollution Treatment Controls:
- Seychelle Environmental Techno (SYEV)
- Greenhunter Resources, Inc. (GRH)
- Sionix Corp. (SINX)
- Rino International Corporation (RINO)
- Pacific Sands Inc. (PFSD)
- Liqtech International, Inc. (LIQT)
- N-viro International Corp. (NVIC)
- Mpm Technologies Inc. (MPML)
- Mfri Inc. (MFRI)
- Energy Recovery, Inc. (ERII)
- Midwest Energy Emissions Corpo (MEEC)
- Federal Signal Corp. (FSS)
- Heritage-crystal Clean Inc (HCCI)
- Donaldson Company, Inc. (DCI)
- Terralene Fuels Corporation (GSPT)
- Clarcor Inc. (CLC)
- Fuel-tech Inc. (FTEK)
- Ceco Environmental Corp. (CECE)
- Tennant Company (TNC)
- Eau Technologies, Inc. (EAUI)
- Calgon Carbon Corporation (CCC)
- Euro Tech Holdings Company Lim (CLWT)
- Bion Environmental Technologie (BNET)
- Beesfree, Inc. (BEES)
- Advanced Emissions Solutions, (ADES)
- Blue Earth Inc. (BBLU)
- Clean Diesel Technologies Inc. (CDTI)
- Awg International Water Corpor (AWGI)
- Amanasu Environment Corp. (AMSU)
- Adarna Energy Corporation (ADRN)
- Abtech Holdings, Inc. (ABHD)
- Uv Flu Technologies, Inc. (UVFT)
- T5 Corp. (TFIV)
- Clearsign Combustion Corp. (CLIR)