Home Builder & Construction Directory- Concrete > Aggregateshttp://www.americanbuilderdirectory.com/concrete/aggregates/Site description Buildex, Inc. http://www.buildex.comproducer of haydite expanded shale lightweight aggregate, used in the production of lightweight concrete masonry, structural concrete and fill aggregate.Mon, 06 Sep 2010 02:04:08 GMTDerbyshire Aggregates Ltd. http://www.derbyshireaggregates.com/Supplies aggregates and industrial minerals for landscaping, decorative surface dressing, pebble dashing, and flooring.Mon, 06 Sep 2010 02:04:08 GMTHydraulic Press Brick Company http://www.hpbhaydite.comManufacturers of Haydite expanded shale, lightweight aggregates for structural concrete and masonry applications, horticultural and bonsai soil amendments, and landscaping ground covers.Mon, 06 Sep 2010 02:04:08 GMTCentral Pre-Mix Development Corporation http://www.centralpremix.comHolding company whose subsidiary operating companies supply concrete and asphalt to the Northwest.Mon, 06 Sep 2010 02:04:08 GMTGranite Construction, Inc. http://www.graniteconstruction.com/Diversified heavy civil and highway contractor and construction materials producer.Mon, 06 Sep 2010 02:04:08 GMTUpper Canada Stone http://www.uppercanadastone.com/Supplier of specialty aggregates, sands, and mineral fillers to architectural and industrial customers.Mon, 06 Sep 2010 02:04:08 GMTNew Ulm Quartzite Quarries http://www.nuqq.com/Producer of crushed aggregates for concrete, bituminous, road base, railroad ballast, and industrial grits.Mon, 06 Sep 2010 02:04:08 GMT