 The 90s at 9, 9 a.m. and 9 p.m. on 94.3 The Shark. The 90s at 9, brought to you by the Long Island Disc Decompression Center. Call 631-421-4020. The switch to Revco is on. More contractors are making the switch to Revco lighting and electrical supply. It's easy to see why. This is Mark Fink of Fifth Generation Electric. I come from a long line of electricians, and to this day, we still use Revco, the best supply house on the island.