The ARIZONA ROCK PRODUCTS ASSOCIATION (ARPA) is a trade organization, that for 60 years has represented companies producing nearly all the aggregate materials in the State of Arizona. ARPA is the oldest Mining Association in Arizona and our membership includes producers or suppliers of aggregate, asphaltic concrete, ready mix concrete, asphalt and portland cement, as well as trucking firms, paving contractors and other aggregate end users, material testing labs and ancillary companies. Members benefit from the Association’s professional and knowledgeable staff that is dedicated to preserving the sustainability of the rock products industry. With our outstanding safety and environmental record, substantial economic benefits and active social and political involvement, ARPA members, associates and employees are proud of their contribution to the growth of Arizona and to the future of our people and communities.