Mastiff is a dynamic construction company with a focus on clean energy development and philanthropy. Mastiff Contracting LLC has designed a Geo-Thermal power plant that will generate 1200MW Green Energy. Benefiting 4000 households and businesses. Our team of professionals James Martin, George Holley, and Roger Menard are of military backgrounds with extensive experience in the under-water petrochemical industry, Gas Turbines, and logistics;