..	American Gas Association
	American Water Works Association
	National Rural Electric Cooperative Association
	North American Electric Reliability Council (NERC)
	Office of Pipeline Safety
	Public Utility Commission of Texas
	Texas Engineering Extension Service
	Texas Gas Association
	Texas Railroad Commission – Pipeline Safety
	Transportation Safety Institute - Federal Department of Transportation
	Texas Water Utilities Association
	Water Environment Federation
	American Public Power Association (APPA)
	Association of Metropolitan Sewerage Agencies (AMSA)
	Southern Gas Association