0000950129-04-006354 S-8 5 333-102448 333-105997 333-86375 20040820 20040820 QUANTA SERVICES INC 0001050915 1731 742851603 DE 1231 S-8 33 333-118429 04989638 1360 POST OAK BLVD SUITE 2100 HOUSTON TX 77056 7133506000 1360 POST OAK BLVD SUITE 2100 HOUSTON TX 77056 S-8 1 h17890sv8.htm QUANTA SERVICES, INC. EX-5.1 2 h17890exv5w1.htm OPINION OF GARDERE WYNNE SEWELL LLP EX-10.1 3 h17890exv10w1.htm AMENDMENT NO.1 TO 1999 EMPLOYEE STOCK PURCHASE PLAN EX-23.1 4 h17890exv23w1.htm CONSENT OF PRICEWATERHOUSECOOPERS LLP EX-23.2 5 h17890exv23w2.htm NOTICE REGARDING CONSENT OF ARTHUR ANDERSEN LLP