Aggtrans ~ Aggregate Transport Corp | CR-6 | Crushed Stone ...- crushed stone r ,Products. Aggtrans is a leading supplier of sand, gravel, topsoil, crushed stone, fill dirt and mulch in Maryland, ia, DC, Pennsylvania and Delaware.John R. JurgensenAggregate:. Jurgensen Aggregate crushed stone is sold throughout Ohio, Indiana and Kentucky. Our limestone and crushed stone products are used in various construction applications and are used by the asphalt, concrete and construction industries.