Attached files

file filename
EX-31.2 - SECTION 302 CFO CERTIFICATION - MASTEC INCdex312.htm
EX-32.2 - SECTION 906 CFO CERTIFICATION - MASTEC INCdex322.htm
EX-31.1 - SECTION 302 CEO CERTIFICATION - MASTEC INCdex311.htm
EX-32.1 - SECTION 906 CEO CERTIFICATION - MASTEC INCdex321.htm
10-Q - FORM 10-Q - MASTEC INCd10q.htm

Exhibit 23.1

Consent of Independent Valuation Firm

We hereby consent to the references to Houlihan Smith & Company, Inc. (“Houlihan”) and to our valuation report dated June 30, 2010 (our “Report”) relating to the estimation of fair value of certain auction rate securities held by MasTec, Inc. (the “Company”) as of June 30, 2010, including the use of information contained within our Report, for the purpose of the incorporation by reference of such information from the Company’s Form 10-Q for the quarter ended June 30, 2010 into the following Registration Statements: Form S-3 Nos. 333-158502, 333-142083, 333-133252, 333-46067 and Form S-8 Nos. 333-139996, 333-112010, 333-105781, 333-105516, 333-38940, 333-38932, 333-77823, 333-47003, and 333-30647.

We also consent to the reference to our firm under the caption “Experts” in the above-referenced Registration Statements.

/s/ Houlihan Smith & Company, Inc.

Houlihan Smith & Company, Inc.

August 2, 2010