DIS-TRAN Overhead Solutions, LLC DIS-TRAN Overhead Solutions, LLC (DTOS) has been serving the growing High Voltage Distribution and Transmission needs of the Electric Utility Industry in the US and abroad for over 50 years. DTOS manufactures and treats a complete line of high quality Douglas Fir and Southern Yellow Pine distribution crossarms, ground wire molding, and transmission arms as well as complete transmission arm and brace assemblies. DTOS operates two environmental minded and Lean production fa...