Although there are thousands of acres of pristine open space on Rancho Mission Viejo, it is also home to thousands of acres of industrial uses - leaseholds that run the gamut of businesses from basic to complex.

Rancho Mission Viejo is home to roughly 20 different lessees who use the land for a variety of purposes. These enterprises are capitalizing on the unique natural attributes that Rancho Mission Viejo has to offer.

These businesses employ hundreds of workers and generate millions of dollars in vital rental income to Rancho Mission Viejo each year. The following list of main lessees currently located on Rancho Mission Viejo is broken down by major industrial use type.

Natural Materials
Oglebay Norton Industrial Sands - sand mining and production plant
Catalina Pacific - concrete batch plant
Ortega Rock - rock and gravel mine
Cemex - concrete batch plant
Olsen Paving Stone - decorative paving stone manufacturer

Native Habitat Uses
Noll See Company - native plant seed collection operation
Beekman Apiaries - beehive operator

Nurseries
Tree of Life - grows and sells native plants
ColorSpot - grows decorative plants and flowers
TruGreen/Miramar - grows landscaping plant material
DM Color - grows plant and flower material

Equestrian Related Uses
St. Augustine Stables
Oaks/Polo Fields
Oaks Corrals

Environmental Uses
CR&R - south Orange County operational headquarters and storage facility
Tierra Verde Industries - greenwaste recycling operations
Ewles Materials - asphalt and road base material recycling

Technology
Norththrop Grumman - space-related defense technology design and testing facility
RMV Telecom - operator of wireless telecom towers throughout the Ranch
KSBR - Saddleback College radio station transmission facilities

Other Uses
Kinder Morgan Pipeline
Santa Margarita Water District
SDG&E
SBC