166516 Canada Inc.
1692124 Ontario Inc.
1755610 Ontario Inc.
1756940 Ontario Inc.
1994 (nsw) Sydney Water Corporation Incorporated Under The Sydney Water Act
2075560 Ontario Limited
21st Century Companies Inc.
21st Century Technologies Llc
2860601 Canada Inc.
2alfa Hydrotech Ab
2c Optics Inc.
2curex Aps
2qr Research Bv
3-V Ltd.
3014593 Nova Scotia Company
3055515 Canada Inc.
308489 Ontario Limited
3090-0633 Quebec Inc.
3500764 Canada Inc.
3596672 Canada Inc.