El Cajon Grading & Engineering

T. C. Construction Company is a San Diego based Class A General Contracting firm specializing in the construction, storage and conveyance of water, wastewater, sewage, demolition and other by-products. Its areas of operation include San Diego, Riverside and Imperial Counties and completes approximately 50 projects per year. Such facilities include concrete channels, box culverts, pump stations and water reservoirs. T.C. has established itself as a leader in the Southern California construction industry, with more than $500,000,000 in construction activity over the 25 years. It was awarded the prestigious Contractor of the Year award in 1999 by the Engineering General Contractor s Association (EGCA).

Operational for over 45 years, Marathon Construction Corporation is a full-service marine and general engineering contractor. Located in Lakeside, Calif., it specializes in marine and heavy civil construction throughout the western United States. The firm offers expertise in the areas of industrial/commercial construction, environmental mitigation/reclamation/habitat restoration, heavy civil/earthwork and dredging. Its extensive list of clients includes Crystal Pier, Lockheed Martin, Dana Marina Landing, Blaylock Engineering Group, University of California San Diego and Coronado Landmark Inc., among others.