Industrial Metrics Inc.

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	>		Advanced Rail Management Corp.
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	>		BNSF
	>		Boston MBTA
	>		CN Rail
	>		Edmonton Transit
	>		EJ&E
	>		Ferromex
	>		Holland Company
	>		Houston Metro
	>		Hungarian State Railway
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	>		MARTA
	>		Metro-North
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	>		North County Transit District
	>		Norfolk-Southern
	>		Omaha Public Power District
	>		Pacific Harbor Line
	>		Paducah & Louisville Railway
	>		Quebec-Cartier Mines
	>		QIT Fer et Titane Inc.
	>		QNS&L
	>		Quebec Railway Corporation
	>		Supersonic Naval Ordnance Research Track
	>		St. Louis Metro
	>		TFM
	>		Tri-Met
	>		Santa Clara VTA