- ADES
- ADMA
- ANV
- ATAI
- ATO
- AVEO
- AWAY
- BCONQ
- BID
- BIEI
- BR
- BRID
- CBMX
- CBU
- CCE
- CFIS
- CIK
- CPK
- CPL
- CRL
- DLX
- EML
- EVGN
- FBEC
- FINW
- FTD
- FTEK
- FTF
- GNTP
- GTS
- HFCO
- HME
- HMHC
- HP
- HTS
- HYRR
- IBCP
- ICEL
- INXN
- IPI
- ISLT
- JEQ
- KRG
- KWK
- LMCA
- LPSN
- LRY
- MARK
- MD
- MDWD
- NOR
- NSFC
- NVDQ
- OLCB
- ONCY
- ONVO
- ORIG
- PEBO
- PGEI
- PIKE
- QQQX
- QUAD
- RELV
- RIT
- SCTY
- SFM
- SGY
- SNVP
- SONS
- SSD
- STAY
- STBI
- SVTE
- SYKE
- T
- TA
- TAXI
- TGS
- TLOG
- TWX
- UIS
- VRNG
- WNR
- WOOF
- WTER
- XRS
- YELP
- ZEP
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)
- Mfri Inc. (MFRI)
- Energy Recovery, Inc. (ERII)
- 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)
- Euro Tech Holdings Company Lim (CLWT)
- Calgon Carbon Corporation (CCC)
- 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)