Exhibit 21
SUBSIDIARY LIST
Aegion Corporation's principal affiliates as of December 31, 2020 are listed below. All other affiliates, if considered in the aggregate as a single affiliate, would not constitute a significant subsidiary.
Company Name | Jurisdiction of Formation |
Aegion Coating Services, LLC | Texas |
Aegion Cyprus Limited | Cyprus |
Aegion Energy Services, LLC | Delaware |
Aegion Holding Company, LLC | Delaware |
Aegion International Holdings Limited | England & Wales |
Aegion International Limited | England & Wales |
Aegion International Services, Inc. | Delaware |
Aegion Rehabilitation Services Limited | England & Wales |
Aegion Saudi Arabia Company | Saudi Arabia |
Aegion South Africa (Pty) Ltd 1 | South Africa |
Aegion UK Holdings Limited | United Kingdom |
Aegion UK SPV Limited | United Kingdom |
AllSafe Services, Inc. | Delaware |
Brinderson Constructors, Inc. | California |
Brinderson, LLC | California |
Concrete Solutions Limited | New Zealand |
Corrpower International Limited 2 | Saudi Arabia |
Corrpro Canada, Inc. | Alberta, Canada |
Corrpro Companies Engineering Limited | England & Wales |
Corrpro Companies Europe Ltd. | England & Wales |
Corrpro Companies International, Inc. | Nevada |
Corrpro Companies, Inc. | Ohio |
DEH Services, LLC | Louisiana |
Environmental Techniques Limited | Northern Ireland |
Fibrwrap Construction (M) Sdn Bhd | Malaysia |
Fibrwrap Construction Pte Ltd | Singapore |
Fyfe (Hong Kong) Limited | Hong Kong |
Fyfe Asia Pte. Ltd. | Singapore |
Fyfe Borneo Sdn Bhd 3 | Brunei |
Hockway Middle East FZE | Dubai Silicon Oasis, UAE |
Company Name | Jurisdiction of Formation |
INA Acquisition Corp. | Delaware |
Infrastructure Group Holdings, LLC | Delaware |
Insituform Limited Partnership | New Brunswick, Canada |
Insituform Linings Limited | England & Wales |
Insituform Rioolrenovatietechnieken B.V. | Netherlands |
Insituform Technologies Limited | Alberta, Canada |
Insituform Technologies Netherlands B.V. | Netherlands |
Insituform Technologies USA, LLC | Delaware |
Insituform Technologies, LLC | Delaware |
Killeen Trading Limited | Northern Ireland |
Manufactured Technologies Co., LLC | Delaware |
PT Fyfe Fibrwrap Indonesia 4 | Indonesia |
Schultz Industrial Services, Inc. | California |
Underground Solutions, Inc. | Delaware |
United Pipeline Middle East, Inc. | Delaware |
United Pipeline Systems International, Inc. | Delaware |
United Pipeline Systems Limited | Alberta, Canada |
United Pipeline Systems, Inc. | Nevada |
United Pipelines Inversiones Limitada | Chile |
United Pipelines SRL | Argentina |
United Sistema de Tuberías Limitada | Chile |
United Special Technical Services Arabia Compnay Limtied (f/k/a Aegion STS Arabia Company Limited) 5 | Saudi Arabia |
United Special Technical Services LLC 6 | Oman |
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1 Aegion International Holdings Limited holds a 60% interest.
2 Corrpro Canada, Inc. holds a 70% interest.
3 Fyfe Asia Pte. Ltd. holds a 51% interest.
4 Fyfe Asia Pte. Ltd. holds a 55% interest.
5 Aegion International Holdings Limited holds a 51% interest.
6 Aegion UK Holdings Limited holds a 51% interest.