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APWA
(American Public Works Association)
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AASHTO
(American Association of State Highway & Transportation
Officials)
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ACIA
(American Construction Inspectors Association)
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AGC
(Associated General Contractors)
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APWA
(American Public Works Association)
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ASA
(American Subcontractors Association)
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ASCE
(American Society of Civil Engineers)
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ASHE (American Society of Highway Engineers)
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ASTM
(American Society For Testing and Materials)
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ARTBA
(American Road & Transportation Builders
Association)
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NQI
(National Quality Initiative)
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NSPE
(National Society of Professional Engineers)
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Ohio
General Links
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RMRC
(Recycled Materials Resource Center)
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TRIP
(The Road Information Program)