Infrastructure & Energy Alternatives, Inc. (IEA) is a specialty contractor focused on renewable energy and heavy civil infrastructure construction that entered public markets through a merger with M III Acquisition Corp, a blank-check company sponsored by M III Acquisition Holdings, LLC, which completed its IPO in 2017. The January 2020 S-1/A filing with the SEC represents a post-merger registration amendment, reflecting IEA's continued capital markets activity following the business combination that closed in March 2018. Trading on Nasdaq under the ticker IEA, the company operates primarily in the infrastructure and clean energy construction sector, providing services to wind, solar, and utility clients across North America. Sign up at SpacDesk for full data on this and hundreds of other SPAC transactions.