0000950129-04-005108 8-K 3 20040723 12 7 20040726 QUANTA SERVICES INC 0001050915 1731 742851603 DE 1231 8-K 34 001-13831 04929692 1360 POST OAK BLVD SUITE 2100 HOUSTON TX 77056 7133506000 1360 POST OAK BLVD SUITE 2100 HOUSTON TX 77056 8-K 1 h16966e8vk.htm QUANTA SERVICES, INC.- DATE OF REPORT: JULY 23, 2004 EX-99.1 2 h16966exv99w1.htm PRESS RELEASE DATED JULY 23, 2004 GRAPHIC 3 h16966h1696699.gif GRAPHIC