0000032878-08-000142 4 1 20081118 20081120 20081120 Avila Joseph A 0001377891 4 34 001-08403 081202777 713-985-6400 QUANTA SERVICES, INC. 1360 POST OAK BLVD., SUITE 2100 HOUSTON TX 77056-3023 ENERGY CONVERSION DEVICES INC 0000032878 3674 381749884 DE 0630 2956 WATERVIEW DRIVE ROCHESTER HILLS MI 48309 248-293-0440 2956 WATERVIEW DRIVE ROCHESTER HILLS MI 48309 ENERGY CONVERSION LABORATORIES INC 19710603 4 1 edgardoc.xml PRIMARY DOCUMENT