GRAND PRAIRIE, TX The 2400 West Marshall office/flex building encompasses 111,471 square feet of space and is fully leased to Lockheed Martin (NYSE: LMT) who has occupied the property for over 25 years. The property was built in 1976 and was renovated in 2004. It is located in Grand Prairie, Texas which is part of the Great Southwest Submarket, and is ideally located between Dallas and Fort Worth offering an equidistant travel distance between the two major commerce hubs of North Texas.