Attached files

file filename
10-K - FORM 10-K - Aegion Corpd10k.htm
EX-21 - SUBSIDIARIES OF THE COMPANY - Aegion Corpdex21.htm
EX-31.1 - CERTIFICATION OF J. JOSEPH BURGESS PURSUANT TO SECTION 302 - Aegion Corpdex311.htm
EX-32.2 - CERTIFICATION OF DAVID A. MARTIN PURSUANT TO 18 U.S.C. SECTION 1350 - Aegion Corpdex322.htm
EX-32.1 - CERTIFICATION OF J. JOSEPH BURGESS PURSUANT TO 18 U.S.C. SECTION 1350 - Aegion Corpdex321.htm
EX-31.2 - CERTIFICATION OF DAVID A. MARTIN PURSUANT TO SECTION 302 - Aegion Corpdex312.htm
EX-10.13 - MANAGEMENT ANNUAL INCENTIVE PLAN EFFECTIVE JANUARY 1, 2010 - Aegion Corpdex1013.htm

Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (No. 333-154716) and Form S-8 (Nos. 333-66714, 333-66712, 333-64688, 333-64690, 333-63953, 333-134244, 333-134251, 333-134252, 333-142527, 333-154711 and 333-159971) of Insituform Technologies, Inc. of our report dated March 1, 2010 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

St. Louis, Missouri

March 1, 2010