 INDIANAPOLIS, March 05, 2021 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, announced today that the solar project development and engineering services group from Merit SI, LLC, an expert sustainable energy infrastructure company, has joined IEA. The addition of Merit SIs personnel will enable the Company to enhance its benefits to commercial, industrial and utility-scale customers. 