Aecon Infrastructure Group is comprised of several separate business units:
- Aecon Construction and Materials Ltd.
- Miwel Construction Limited
- ACML Materials
- Aecon Materials Engineering
- The Karson Group
- Aecon Constructors (A Division of Aecon Construction Group Inc.)
- Aecon Utilities (A Division of Aecon Construction Group Inc.)
- AGI Traffic Technology Inc.
- Aecon Utility Engineering
- QX Technical Services
- QX Locates



