NOTE: Fixtures marked with a W (or M upside down) are tested and working. NT means not tested, probably because no wires were connected.
Pics 1 & 2: Four identical 2' x 4' commercial fluorescent fixtures, all tested and working, with two bulbs in each. Originally made for drop-down ceilings, but you could hang them as shop lights. . . . $25 each, one or more .... or take all four for $75.
Pic 3: Two identical 2' x 2' fixtures, one tested and working, the other unable to test. . . . $20 each, or both for $35.
Pics 4-8: Four other 2' x 4' fixtures I have in different styles. . . . Your choice, $15 each.