I went "cheap"..but all is well
I went to the local farm store and bought 6 LED's, high watt (5550 W or so as I recall) equivalent...$25 a pop. You can "daisy chain" them and as they draw virtually no power, no problem using medium quality extension cords as wiring so I could move them to another hangar if I desired (which I have done once)..Cable ties, a man lift and a day...its better than daylight in a standard sized hangar. Put 2 more above the workbench for close up, and wired them all to a switches in the hangar receptacles. Not the most eloquent solution, but under $250 for the whole project and I have the brightest lights on the airport. If I owned the hangar, I would have went for something a little higher class.