Form: S-8

Initial registration statement for securities to be offered to employees pursuant to employee benefit plans

September 1, 1999

CONSENT OF INDEPENDENT ACCOUNTANTS

Published on September 1, 1999


EXHIBIT 23

CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the
incorporation by reference of the following reports on the financial statements
of the following businesses in this Registration Statement on Form S-8 of Quanta
Services, Inc.; our report dated June 7, 1999, on the consolidated financial
statements of Quanta Services, Inc. and Subsidiaries as of and for the three
years in the period ended December 31, 1998; our report dated May 7, 1999, on
the combined financial statements of Driftwood Electrical Contractors, Inc. as
of and for the year ended December 31, 1998; and our report dated June 3, 1999
on the combined financial statements of the H.L. Chapman Construction Group as
of and for the year ended October 31, 1998, all three of which were included in
the Quanta Services, Inc. Current Report on Form 8-K filed on June 17, 1999; our
report dated March 19, 1999 on the combined financial statements of Northern
Line Layers, Inc. as of and for the year ended December 31, 1998, as included in
the Quanta Services, Inc. Current Report on Form 8-K/A filed on April 23, 1999,
and to the incorporation by reference of said reports into Quanta Services,
Inc.'s previously filed Registration Statements on Form S-8 (File Nos.
333-47069, 333-56849) and Form S-3 (File Nos. 333-81419).

ARTHUR ANDERSEN LLP

Houston, Texas
August 27, 1999



CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS



As independent public accountants, we hereby consent to the
incorporation by reference in this Registration Statement on Form S-8 of Quanta
Services, Inc. with respect to the consolidated financial statements and
financial schedule of Seaward Corporation included or incorporated by reference
in its current report (Form 8-K) filed June 17, 1999 and Form S-3 (#333-81419)
filed June 23, 1999, as well as to all references to our firm included in this
Registration Statement.

/s/ NATHAN WECHSLER & COMPANY

NATHAN WECHSLER & COMPANY
Concord, New Hampshire
August 30, 1999
CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS



As independent public accountants, we hereby consent to the incorporation by
reference in this Registration Statement on Form S-8 of Quanta Services, Inc.
with respect to the consolidated financial statements and financial schedule of
Dillard Smith Construction Company included or incorporated by reference in its
current report (Form 8-K) filed June 17, 1999 and Form S-3 (#333-81419) filed
June 23, 1999, as well as to all references to our firm included in this
Registration Statement.

/s/ JOSEPH DECOSIMO AND COMPANY, LLP

JOSEPH DECOSIMO AND COMPANY, LLP

Chattanooga, Tennessee
August 30, 1999


CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

As independent public accountants, we hereby consent to the incorporation by
reference in this Registration Statement on Form S-8 of Quanta Services, Inc.
with respect to the financial statements of Tom Allen Construction Company
included or incorporated by reference in the Quanta Services, Inc. Current
Report on Form 8-K filed on June 17, 1999 and its Form S-3 (File No. 333-81419)
filed on June 23, 1999, as well as to all references to our Firm included in
this Registration Statement.


/s/ GANIM, MEDER, CHILDERS & HOERING, P.C.
GANIM, MEDER, CHILDERS & HOERING, P.C.

Belleville, Illinois
August 31, 1999



CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


As independent public accountants, we hereby consent to the incorporation by
reference in this Registration Statement on Form S-8 of Quanta Services, Inc.
with respect to the consolidated financial statements and financial schedule
of The Ryan Co., Inc. included or incorporated by reference in its current
report (Form 8-K) filed June 17, 1999 and Form S-3 (#333-81419) filed June 23,
1999, as well as to all references to our firm included in this Registration
Statement.


/s/ KIRKLAND ALBRECHT AND COMPANY, P.C.

Kirkland Albrecht and Company, P.C.
August 27, 1999