The Canadian Non-Exhaust Pneumatic Machine Company
The Canadian Sumner Iron Works Ltd.
The Cessna Aircraft Company
The Chicago Pneumatic Tool Co.
The Cleveland Pneumatic Tool Company Of Canada
The Climax Rock Drill And Engineering Works Limited
The Continuous-Cycle Engine Development Co Limited
The Electric-Air Tool Corporation
The Harcourt Engine Pty Limited
The Keller Pneumatic Tool Company
The Martin Motors Co.
The Non-Exhaust Compressed Air Machinery Company
The North British Diessl Engine Works (1922) Limited
The Olsen Engine Syndicate Limited
The Pilliod Company
The Pneumatic Drop Hammer Co.
The Pneumatic Drop Hammer Company
The Rock Drill Inventions (pty.) Limited
The Skinner Engine Company
The Societe Generale D'etudes Industrielles (general Research Co Societe Anonyme