.PEF Industries, Inc.
1069380 Ontario, Inc.
123Phase Inc.
128980 Canada Inc.
379235 Ontario Ltd.
4E Co.
501 Wynn's Climate Systems, Inc.
586925 B.C. Inc.
810296 Ontario Inc.
865 Investment Group LLC
a + g extrusion technology GmbH
A'Gramkow A/S
A. C. Manufacturing Company
A. Heinen GmbH Maschinenfabrik
A. T. Newell Co. Inc.
A.P.V. Spiro-Gills Limited
A/C Research & Technology, Inc.
A/S Dantherm
A/S Finsam Industries Ltd.
Aalto William