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Associated filings
- 13 Oct 22 EFFECT Notice of effectiveness
- 11 Oct 22 POS AM Prospectus update (post-effective amendment)
- 21 May 20 EFFECT Notice of effectiveness
- 20 May 20 424B3 Prospectus supplement
- 8 May 20 POS AM Prospectus update (post-effective amendment)
- 4 Mar 20 424B3 Prospectus supplement
- 24 Feb 20 424B3 Prospectus supplement
- 3 Feb 20 EFFECT Notice of effectiveness
- 31 Jan 20 424B2 Prospectus for primary offering
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29 Jan 20 S-1/A IPO registration (amended)
- 26 Nov 19 S-1 IPO registration
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CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the inclusion in this Registration Statement on Form S-1 and related Prospectus of Infrastructure and Energy Alternatives, Inc., of our independent auditors’ report dated September 20, 2018, relating to the consolidated financial statements of Consolidated Construction Solutions I LLC and Subsidiaries dba The ACC Companies as of and for the years ended December 31, 2017, 2016 and 2015. We also consent to the reference to our firm under the heading “Experts” in the Prospectus which is part of this Registration Statement.
/s/ Mayer Hoffman McCann P.C. |
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Phoenix, Arizona |
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January 29, 2020 |
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