Attached files

file filename
EX-32.2 - EX-32.2 CFO 906 CERT - Infrastructure & Energy Alternatives, Inc.cfocertsection906322-12312.htm
EX-32.1 - EX-32.1 CEO 906 CERT - Infrastructure & Energy Alternatives, Inc.ceocertsection906321-12312.htm
EX-31.2 - EX-31.2 CFO 302 CERT - Infrastructure & Energy Alternatives, Inc.cfocertsection302a31212312.htm
EX-31.1 - EX-31.1 CEO 302 CERT - Infrastructure & Energy Alternatives, Inc.ceocertsection302a31112312.htm
EX-23.1 - EX-23.1 DELOITTE CONSENT - Infrastructure & Energy Alternatives, Inc.deloitte202010-kconsent.htm
EX-21.1 - EX-21.1 SUBSIDIARY LISTING - Infrastructure & Energy Alternatives, Inc.subsidiarylisting211-12312.htm
EX-4.1 - EX-4.1 DESCRIPTION OF SECURITIES - Infrastructure & Energy Alternatives, Inc.descriptionofregisteredsec.htm
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