Bluebook of Building and Construction BuildNet Clean Fuel Network Construction Institute Current Population Survey Gas Research Institute -- GTI Net Kimmel & Associates Microtunneling Web Site Operation Safe Site RentSmart Trenchless Information Center
Laborers' Employers Cooperation and Education Trust (LECET)
United Association (UA) International Union of Operating Engineers (IUOE) Laborers' International Union of North America (LIUNA) International Brotherhood of Teamsters (IBT) American Federation of Labor and Congress of Industrial Organizations (AFL-CIO)
Bureau of Labor Statistics
Library of Congress The Bureau of National Affairs, Inc. Corps of Engineers Dept. of Commerce, Infrastructure Division, Global Infrastructure Projects Database OSHA DATA Web Site Research and Special Programs Administration THOMAS Legislative Information on the Internet U.S. Census Bureau U.S. Census Bureau - Housing Topics U.S. Department of Commerce U.S. Department of Labor U.S. Department of Transportation U.S. Environmental Protection Agency U.S. House of Representatives U.S. Senate White House Online
Common Ground Alliance
Dig Safely National Transportation Safety Board Office of Pipeline Safety Centers For Disease Control and Prevention Transportation Safety Institute National Institute for Occupational Safety and Health Department of Homeland Security National Safety Council Pipelines101 - One Call Systems Occupational Safety and Health Administration
Industry Associations American Gas Association (AGA) American Public Gas Association (APGA) American Public Works Association (APWA) Associated Equipment Distributors (AED) Association of Equipment Manufacturers (AEM) Canadian Gas Association (CGA) Colorado Oil & Gas Association (COGA) International Pipeline & Offshore Contractors Association Interstate Natural Gas Association of America (INGAA) National Association of Pipe Coating Applications (NAPCA) National Utility Contractors Association (NUCA) North American Society for Trenchless Technology (NASTT) Pipe Line Contractors Association (PLCA) Pipe Line Contractors Association of Canada (PLCAC) Power and Communications Contractors Association (PCCA) World Federation of Pipe Line Industry Associations
Energy Association of Pennsylvania
Florida Natural Gas Association (FNGA) Indiana Energy Association Kentucky Gas Association Midwest Energy Association (MEA) North East Gas Association Northwest Gas Association (NGA) Ohio Gas Association Southeastern Gas Association (SEGA) Southern Gas Association (SGA) Texas Gas Association (TGA)
American Gas
Engineering News-Record Gas Utility Manager Pipeline & Gas Journal Pipeline News Trenchless Technology Underground Construction Underground Focus Utility Contractor