Attached files
Exhibit 21
SUBSIDIARY LIST
(as of February 26, 2010)
| Company Name |
Place of Incorporation | |
| Affholder, Inc. | Missouri | |
| Basco Actel, Inc.1 | Texas | |
| Bayou Coating, L.L.C.2 | Louisiana | |
| Bayou Perma-Pipe Canada, Ltd.3 | Alberta, Canada | |
| Bayou Welding Works, L.L.C. | Louisiana | |
| Corrpro Companies International, Inc. | Nevada | |
| CCSI Management, L.L.C. | Texas | |
| Commercial Coating Services International, Ltd. | Texas | |
| Corrpro Canada, Inc. | Alberta, Canada | |
| Corrpro Companies C.A. | Venezuela | |
| Corrpro Companies Europe Ltd. | United Kingdom | |
| Corrpro Companies, Inc. | Ohio | |
| Corrpro Holdings LLC | Delaware | |
| Corrpro International, Inc. | Delaware | |
| Corrpro NDT Ltd. | Alberta, Canada | |
| Delta Double Jointing LLC | Delaware | |
| Harotec de Mexico4 | Mexico | |
| INA Acquisition Corp. | Delaware | |
| Insitu Envirotech (S.E. Asia) Pte Ltd. | Singapore | |
| Insituform Asia Limited | Hong Kong | |
| Insituform Balcani S.R.L.5 | Romania | |
| Insituform Belgium N.V. | Belgium | |
| Insituform CV | The Netherlands | |
| Insituform Cyprus Limited | Cyprus | |
| Insituform Environmental Techniques Ltd.6 | Ireland | |
| Insituform Europe SAS | France | |
| Insituform Holdings BV | The Netherlands | |
| Insituform Holdings (UK) Limited | United Kingdom | |
| Insituform Hong Kong Limited | Hong Kong | |
| Insituform-Hulin Rohrsanierungstechniken S.R.O.7 | Slovakia | |
| Insituform Hulin s.r.o.8 | Hungary | |
| Insituform Limited Partnership | New Brunswick, Canada | |
| Insituform Linings Limited | United Kingdom | |
| Insituform Pacific Pty Limited | Australia | |
| Insituform Pipeline Rehabilitation Private Limited9 | India | |
| Insituform Rioolrenovatietechnieken B.V. | The Netherlands | |
| Insituform Rohrsanierungstechniken GmbH10 | Germany | |
| Insituform Singapore Pte. Ltd. | Singapore | |
| Insituform sp. z o.o. | Poland | |
| Insituform SPML JV11 | India | |
| Insituform s.r.o.12 | Czech Republic | |
| Insituform Technologies CV | The Netherlands | |
| Insituform Technologies Iberica S.A. | Spain | |
| Insituform Technologies Limited | Alberta, Canada | |
| Insituform Technologies Limited | United Kingdom | |
| Insituform Technologies Netherlands BV | The Netherlands | |
| Insituform Technologies USA, Inc. | Delaware | |
| ITI International Services, Inc. | Delaware | |
| KA-TE Insituform AG | Switzerland | |
| Kinsel Industries, Inc. | Texas | |
| Mississippi Textiles Corporation | Mississippi | |
| Ocean City Research Corporation | New Jersey | |
| The Bayou Companies, Inc. | Delaware | |
| United Pipeline de Mexico S.A. de C.V.13 | Mexico | |
| United Pipeline Middle East | Delaware | |
| United Pipeline Systems International, Inc. | Delaware | |
| United Pipelines Inversiones Limitada | Chile | |
| United Pipelines SRL | Argentina | |
| United Sistemas de Revestimento em Tubulações Ltda. | Brazil | |
| United Sistema de Tuberias Limitada | Chile | |
| Video Injection – Insituform SAS | France | |
| Wilson Walton Anti Corrosivos Ltd. | Portugal | |
| Wilson Walton Group Ltd. | United Kingdom |
| 1 | This entity is currently in the process of dissolution. |
| 2 | The Bayou Companies, Inc. holds a 49% interest. |
| 3 | Insituform Technologies Limited (Alberta, Canada) holds a 51% interest. |
| 4 | This entity is currently in the process of dissolution. |
| 5 | This entity is currently in the process of dissolution. |
| 6 | Insituform Technologies Limited (UK) holds a 50% interest. |
| 7 | Insituform Holdings (UK) Limited holds a 50% interest in Insituform Rohrsanierungstechniken GmbH. Insituform Rohrsanierungstechniken GmbH holds a 51% interest in Insituform-Hulin Rohrsanierungstechniken S.R.O. (Slovakia). Insituform-Hulin Rohrsanierungstechniken S.R.O. holds a 100% interest in Insituform Hulin S.R.O. (Hungary) and Insituform S.R.O. (Czech Republic). |
| 8 | See Note 7. |
| 9 | Insituform Technologies Netherlands BV holds a 50.5% interest. |
| 10 | See Note 7. |
| 11 | Insituform Technologies, Inc. holds a 50% interest. |
| 12 | See Note 7. |
| 13 | INA Acquisition Corp. holds a 55% interest. |