Iberclean S/A - SPAIN

ICI- Saffil Business - DE, USA

Ideal Environmental Tech. Co. - TAIWAN

Ikor Industries - DE, USA

ILF/Ingenieur.Lasser-Feizlmayr - GERMANY

Illbruck, Inc. - MN, USA

Ilmex Oy - FINLAND

Ilmex Oy - FINLAND

Impolit Environmental Control - MA, USA

Inafuku ITC Ltd. - JAPAN

Inchcape Testing Services/ICS - FRANCE

Indabrator Limited - INDIA

Indabrator Ltd. - INDIA

Indure Private Ltd. - INDIA

Indust Corporation - NJ, USA

Industrial Accessories Company - KS, USA

Industrial Air Products/IAP - WI, USA

Industrial Damper Co. - OH, USA

Industrial Energy Products,Inc - NJ, USA

Industrial Fabrics Corporation - MN, USA

Industrial Filter & Pump Mfg. Co.. - IL, USA

Industrial Filter Fabrics,Ltd. - CANADA

Industrial Prod.of Haute Temp. - CANADA

Industrial Projects Ltd. - CANADA

Industrial Protection Devices/ IPD - MN, USA

Industrie Tessili Bresciane - ITALY

Industrifilter AB - SWEDEN

Industri-Textil Job AB - SWEDEN

Infastaub GmbH & Co. KG - GERMANY

Ingenieurburo Humantechnik - GERMANY

Inoue Densetsu Co. Ltd. - JAPAN

Insinooritoimisto ITK Oy - FINLAND

Inspec Fibres - MA, USA

Inspec Fibres GmbH - AUSTRIA

Inspec Fibres GmbH - NY, USA

Institut Filt.& Tech.Sep./IFTS - FRANCE

Institut fur Luft-u-Kaltetech./ ILK - GERMANY

Institute of Clean Air Companies - DC, USA

Intelligent Enclosures Corporation - GA, USA

Intensiv Filter do Brasil Ltda - BRAZIL

Intensiv Filter Ltd. - UNITED KINGDOM

Intensiv-Filter GmbH & Co. KG - GERMANY

Interfilta (UK) Ltd. - SCOTLAND

Interfilta Ltd. - UNITED KINGDOM

International Air Filter, Inc. - IL, USA

International Ind'l. Fan, Inc. - VA, USA

InterNet, Incorporated - MN, USA

Invincible Airflow Systems - OH, USA

IPAC, Inc. - CANADA

IPEC, Inc-Winograd-Shine-Zacks - RI, USA

IPT Group - UNITED KINGDOM

Irish Filter Supply Co.,Ltd. - IRELAND

ISP/GAF Filter Sys.Europe - BELGIUM

Itafima - MEXICO

Italimpianti(societa impianti) - ITALY

ITE de Gidts & Feldman BV - NETHERLANDS

ITEQ, Inc. - TX, USA

Ivis Consulting - FINLAND

Ivo International - FINLAND

Izumi Chemical Engineering Co. - JAPAN

Izumi-Cosmo Company Ltd. - JAPAN