Exhibit 21
SUBSIDIARIES OF THE COMPANY
Direct subsidiaries of CECO Environmental Corp.
CECO Group, Inc., a Delaware corporation
Flextor Inc., a Quebec company
CECO Group Global Holdings LLC, a Delaware limited liability company
Direct subsidiaries of CECO Group, Inc.
Adwest Technologies, Inc., a California corporation
CECO Filters, Inc., a Delaware corporation
CECO Abatement Systems, Inc., a Delaware corporation
H.M. White, Inc. (f/k/a CECO Energy, Inc.), a Delaware corporation
CECOaire, Inc., a Delaware corporation
The KirkĀ & Blum Manufacturing Company, an Ohio corporation
Effox, Inc., a Delaware corporation
GMD Environmental Technologies, Inc., a Delaware corporation (f/k/a GMD Acquisition Corp.)
Fisher-Klosterman, Inc., a Delaware corporation (f/k/a FKI Acquisition Corp.)
CECO Mexico Holdings LLC, a Delaware limited liability company
Direct subsidiaries of CECO Filters, Inc.
CECO India Pvt. Ltd., an Indian company (f/k/a CECO Filters India Pvt. Ltd.)
New Busch Co., Inc., a Delaware corporation
Direct subsidiaries of Fisher-Klosterman, Inc.
FKI, LLC, a Delaware limited liability company
Fisher-Klosterman-Buell Shanghai Co., Ltd., a China company (f/k/a Kentucky Fabrication (Shanghai Co., Ltd.))
AVC, Inc., a Delaware corporation
SAT Technology, Inc., a Delaware corporation
Emtrol LLC, a New York limited liability company
Direct subsidiaries of Emtrol LLC
Emtrol Ltd., an Ontario company
Direct subsidiaries of SAT Technology, Inc.
SAT Technology, Inc., a Chinese corporation based in Shanghai
Direct subsidiaries of H.M. White, Inc.
CECO Environmental Mexico S. de R.L. de C.V., a Monterrey, Mexico company
CECO Environmental Services S. de R.L. de C.V., a Monterrey, Mexico company
Direct subsidiaries of Flextor Inc.
Flextor Chile S.A., a Chile company
Flextor do Brasil Importacao e Exportacao Ltda., a Brazil company
Direct subsidiaries of CECO Group Global Holdings LLC
CECO Environmental Netherlands B.V., a Netherlands company
Direct subsidiaries of CECO Environmental Netherlands B.V.
ATA Beheer B.V., a Netherlands company
Direct subsidiaries of ATA Beheer B.V.
Aarding Thermal Acoustics B.V., a Netherlands company
Aarding Thermal Acoustics USA, Inc., a Delaware company
Direct subsidiaries of ATA Beheer B.V. and Aarding Thermal Acoustics B.V.
Aarding do Brasil Fornecimento de Produtos Termo-Acusticos Equipamentos Ltda., a Brasil company
Direct subsidiaries of Met-Pro Technologies LLC
Mefiag B.V., a Netherlands company
Met-Pro Product Recovery/Pollution Control Technologies Inc., a Canada company
Strobic Air Corporation, a Delaware company
MPC Inc., a Delaware company
Met-Pro Industrial Services Inc., a Pennsylvania company
Bio-Reaction Industries, a Delaware company
Met-Pro (Hong Kong) Company Limited, a Hong Long Company
Met-Pro Holdings LLC, a Delaware company
Met-Pro Chile Limitada, a Chile company
Direct subsidiaries of Met-Pro (Hong Kong) Company Limited
Mefiag (Guangzhou) Filter Systems Ltd., a China company
Jiangyin Zhongli Industrial Technology Co. Ltd., a China company