Exhibit 23.1
Consent of Ernst & Young LLP
We consent to the incorporation by reference of our report dated August 11,
2000, with respect to the consolidated financial statements of Matrix Service
Company included in this Form 10-K for the year ended May 31, 2000, in the
following registration statements.
Matrix Service Company 1990 Incentive Stock Form S-8 File No. 33-36081
Option Plan
Matrix Service Company 1991 Stock Option Form S-8 File No. 333-56945
Plan, as amended
Matrix Service Company 1995 Nonemployee Form S-8 File No. 333-2771
Directors' Stock Option Plan
Ernst & Young LLP
Tulsa, Oklahoma
August 16, 2000
