 INDIANAPOLIS, Dec. 18, 2020 GLOBE NEWSWIRE -- Infrastructure and Energy Alternatives, Inc. NASDAQ: IEA IEA or the Company, a leading infrastructure construction company with renewable energy and specialty civil expertise, today announced that CIBC will add the Company to the CIBC Atlas Clean Energy Index NACEX as part of this years rebalance. The change will become effective following the close of business on Friday, December 18th. 