Career history of C. William Longden
Former positions of C. William Longden
| Companies | Position | Start | End |
|---|---|---|---|
Crystallex International Corp.
 Crystallex International Corp. Precious MetalsNon-Energy Minerals Crystallex International Corp. is a Canadian-based mining company. The company is engaged in acquiring, exploring, developing and operating mining properties. Its projects include Las Cristinas, Tomi and La Victoria. Crystallex International was founded on January 23, 1998 and is headquartered in Toronto, Canada. | Director/Board Member | 25/07/2000 | 22/06/2011 |
MMM Group International, Inc.
 MMM Group International, Inc. Engineering & ConstructionIndustrial Services MMM Group International, Inc. engages in the provision of engineering, wastewater treatment and solid waste management services. The company was founded in 1964 and is headquartered in Ottawa, Canada. | President | - | - |
MMM Group Ltd.
 MMM Group Ltd. Miscellaneous Commercial ServicesCommercial Services MMM Group Ltd. provides planning, engineering and management solutions. It offers official, master, secondary plans, planning advisory, public consultation strategies, adult lifestyle community services. The firm provides technical and advisory services to support planning and engineering development. The company was founded in 1952 and is headquartered in Thornhill, Canada. | Director/Board Member | 01/01/1985 | - |
| Chairman | 25/03/2009 | 17/08/2009 |
Statistics
International
| Canada | 4 |
Operational
| Director/Board Member | 2 |
| Chairman | 1 |
| President | 1 |
Sectoral
| Non-Energy Minerals | 2 |
| Commercial Services | 2 |
| Industrial Services | 2 |
Positions held
Active
Inactive
Listed companies
Private companies
Linked companies
| Private companies | 3 |
|---|---|
Crystallex International Corp.
Crystallex International Corp. Precious MetalsNon-Energy Minerals Crystallex International Corp. is a Canadian-based mining company. The company is engaged in acquiring, exploring, developing and operating mining properties. Its projects include Las Cristinas, Tomi and La Victoria. Crystallex International was founded on January 23, 1998 and is headquartered in Toronto, Canada. | Non-Energy Minerals |
MMM Group Ltd.
MMM Group Ltd. Miscellaneous Commercial ServicesCommercial Services MMM Group Ltd. provides planning, engineering and management solutions. It offers official, master, secondary plans, planning advisory, public consultation strategies, adult lifestyle community services. The firm provides technical and advisory services to support planning and engineering development. The company was founded in 1952 and is headquartered in Thornhill, Canada. | Commercial Services |
MMM Group International, Inc.
MMM Group International, Inc. Engineering & ConstructionIndustrial Services MMM Group International, Inc. engages in the provision of engineering, wastewater treatment and solid waste management services. The company was founded in 1964 and is headquartered in Ottawa, Canada. | Industrial Services |
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