- AJSB
- ALOD
- AMCX
- AMU
- APP
- AUQ
- AXP
- AZIA
- BALT
- BBLU
- BCEI
- BGFV
- BRKR
- BRPC
- BXE
- BXP
- CBIN
- CETV
- CHIQ
- CIE
- CLIR
- COP
- CRWS
- CSG
- CVE
- DAG
- DLNG
- DOMK
- DOVR
- DSWL
- EHOS
- ENLK
- ETE
- EWRI
- FCN
- FGB
- FRC
- FSL
- GAWK
- GLDE
- GMEI
- GRU
- HAO
- IGOV
- IJT
- ILTB
- IPMN
- ISH
- ITA
- JJSF
- JO
- JPS
- LUNA
- MEEC
- MEMP
- MEP
- MFSF
- MOD
- MTL
- NAT
- NDAQ
- NEWM
- NFG
- NINI
- NMM
- NOBL
- NRT
- PBJ
- PHDG
- PSBQ
- PZA
- QIWI
- QTWW
- REG
- REXI
- RIT
- RIVR
- RNST
- ROYL
- RPT
- RVUE
- SBV
- SGAR
- SGC
- SLCO
- SMIT
- SPND
- SQBK
- SSG
- STI
- STWD
- SUNS
- TIS
- TR
- UBIQ
- UBT
- UKW
- VISN
- VRTA
- VUME
- WBMD
- WHLR
- WPRT
- WRLD
- WSCO
- WSTG
- WU
- XBTCE
- XPP
- ZQK
Industrial Goods > Pollution Treatment Controls:
- Greenhunter Resources, Inc. (GRH)
- Seychelle Environmental Techno (SYEV)
- Sionix Corp. (SINX)
- Rino International Corporation (RINO)
- Liqtech International, Inc. (LIQT)
- Pacific Sands Inc. (PFSD)
- N-viro International Corp. (NVIC)
- Mpm Technologies Inc. (MPML)
- Energy Recovery, Inc. (ERII)
- Mfri Inc. (MFRI)
- Midwest Energy Emissions Corpo (MEEC)
- Federal Signal Corp. (FSS)
- Donaldson Company, Inc. (DCI)
- Heritage-crystal Clean Inc (HCCI)
- Clarcor Inc. (CLC)
- Terralene Fuels Corporation (GSPT)
- Ceco Environmental Corp. (CECE)
- Fuel-tech Inc. (FTEK)
- 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)
- Clean Diesel Technologies Inc. (CDTI)
- Blue Earth Inc. (BBLU)
- Awg International Water Corpor (AWGI)
- Amanasu Environment Corp. (AMSU)
- Adarna Energy Corporation (ADRN)
- Abtech Holdings, Inc. (ABHD)
- Uv Flu Technologies, Inc. (UVFT)
- Clearsign Combustion Corp. (CLIR)
- T5 Corp. (TFIV)