Links
Trade Associations
- ACAA -- American Coal Ash Association
- ACPA -- American Concrete Pavement Association
- AFS -- American Foundrymen's Society
- APWA -- American Public Works Association
- ARRA -- Asphalt Reclamation and Recycling Association
- NAA -- National Aggregates Association
- NAPA -- National Asphalt Paving Association
- NMA -- National Mining Association
- NSA -- National Slag Association
Universities
- University of Kentucky -- Center for Applied Energy Research
- University of Texas, Austin -- International Center for Aggregate Research