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Domestic Organizations |
International Organizations |
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ACCA - Air Conditioning Contractors of America |
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BAI - Builders Association of India |
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International Air-Conditioning, Heating & Refrigeration Expo |

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CECS - China Association for Engineering Construction Standardization |
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Alliance for Water Efficiency |
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Construction Links - Canada's Building Design & Repair Community |
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ASHRAE |

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FONDONORMA - Fondo para la Normalizacion y Certificacion de la Calidad |
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ASPE - American Society of Plumbing Engineers |
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ICONTEC - Instituto Colombiano do Normas Tecnicas y Certificacion |
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ASSE International |
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IPA - Indian Plumbing Association |
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Backflow.com |
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ISHRAE - Indian Society of Heating, Refrigerating and Air Conditioning Engineers |
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California Solar Energy Industries Association |

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IoP - Institute of Plumbing |
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Construction Management Degree.com |

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IIEC - International Institute for Energy Conservation – India |
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Green Mechanical Council |
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ITS - Intertek Testing Service |
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GreenPlumbers |
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MIRDC - Metal Industry Research Development Center |
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Hydronics Industry Alliance |

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My Plumbing Portal - The latest and most up-to-date news from the plumbing world |
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ISO 9000 Translated... - Everything you need to know about ISO 9000 |
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Refridge - HVAC and Refrigeration Community |
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MCAA - Mechanical Contractors Association of America |
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SAI Global - Quality Assurance Services |
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Mechanical Engineering Schools.org |

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SIKI- Swedish HVAC Association |
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NASCLA - National Association of State Contractors Licensing Agencies |
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The Architect Link
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NCSBCS- National Conference of States on Building Codes and Standards |
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The Contractor Link |
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NFPA - National Fire Protection Association |
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The Design Link |
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NITC - National Inspection Testing Certification |
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The Engineer Link |
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PHCC - Plumbing - Heating - Cooling Contractors -- National Association |
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The Equipment Link |
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Plumbing Forums |
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The Green Link |
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PMI - Plumbing Manufacturers International |
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The Safety Link |
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Specs-Online - The Internet Directory for Specified Products |
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Trenchless Information Center - The World Marketplace of Trenchless Technologies |
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UA - United Association |
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WPC - World Plumbing Council |
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US EPA WaterSense |
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World Plumbing Day |
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US Green Building Council |
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WaterSmart Innovations |
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WFCA - Western Fire Chiefs Association |
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