MPC Corporate Overview McKittrick Precast Concrete was founded in 1987. For over 21 years we have been intensely focused on manufacturing quality precast products and providing quality service to customers across the Mid-Western United States. We are an Oklahoma corporation operating out of a 20,000 square foot facility in Broken Arrow, Oklahoma. What We Manufacture MPC primarily manufactures Solar Air Aerobic Systems, Septic Tanks, Grease Traps and StoneTree* Architectural Precast Fencing. Its market includes both commercial and residential sectors. Other products we manufacture are concrete picnic tables, bird baths, parking blocks, and burial vaults. Our Clients Our customers range from homeowners to commercial contractors/developers,residential contractors/developers, plumbers, engineers, mortuaries, and local City and State municipalities.