- AECOM Engineering company
- Bechtel Corporation
- Kiewit Corporation
- WSP Global Inc
- STRABAG SE
- NV5 Global
- Barton Malow
- Gilbane Building Company
- Jones Lang LaSalle Incorporated
- Balfour Beatty US
- Brasfield & Gorrie
LLC
- New York Engineers
- Trylon Engineering Pty Ltd