Spartan Directional " Because Experience Matters" is a full service HDD Company offering over 75 years experience collectively in the Horizontal Directional Drilling and Construction Industry. Spartan currently holds the North American record for the largest diameter HDD 2,993 LF of 54" pipe completed in downtown South Beach Miami, Fl. The combination of our equipment, in addition to the talent assembled at Spartan Directional, allows us to oversee and execute multiple large projects simultaneously.