TDI is the leader in technical diving and has been since 1994. TDI offers a wide choice of
programs available to continue your technical dive training.

helitrox ccr helitrox mine TDI Instructor Trainer TDI Non-Diving Specialty Instructor TDI Instructor TDI Divemaster O2 Service Tech advanced blender Nitrox Blender advanced mixed gas ccr mixed gas ccr air diluent deco ccr air diluent ccr semi closed rebreather diver propulsion vehicle cave surveying stage cave advanced wreck full cave intro to cave cavern sidemount advanced trimix trimix extended range deco procedures advanced nitrox nitrox intro to tech rebreather cavern diver rebreather intro to cave rebreather full cave