From a modest beginning in 1975 with three employees, including founder Mark Santar, and one crane truck, Mar-Con Products has grown to a company noted for leadership and specialization in two interrelated segments of San Diego County’s construction industry: manufacturer of precast concrete manholes and suppliers of ready-mixed concrete. Today’s Mar-Con fleet includes ten 10-yard ready-mix concrete trucks, three crane trucks, and a modern concrete batching plant. As an additional customer benefit, and on request, Mar-Con offers complete manhole installation services through R&C Structures, Inc., a Class A licensed contractor. Servicing San Diego County contractors and municipal agencies, Mar-Con’s proven capabilities as a ready mix concrete supplier has already produced concrete for concrete placement projects ranging from a few yards to as many as 8000 yards. Mar-Con’s entire scope of operations, from production of precast concrete sewer manholes--including rectangular covers—to its well stocked and readily available supply of cast iron frame and covers, storm drain, and curbing materials, including carefully controlled concrete batching and dispatching operation, are all focused in Mar-Con’s 2 ½ acre San Marcos, CA headquarters. Today Mar-Con’s ready-mix operation has helped earn Mar-Con the title as a competent and totally professional and reliable One Stop Facility for manholes, related supplies, and top quality ready-mix concrete.