- Affiliated Engineers, Inc.Chicago, IL$0
- Environmental Design International (subcontractor)BEP [5% / $0]
- CCS International, Inc. (subcontractor)BEP [5% / $0]
- David Mason Associates of Illinois, Ltd. (subcontractor)BEP [10% / $0]
- A. Epstein & Sons International, Inc.Chicago, IL$0
- CCJM Engineers, Ltd. (subcontractor)BEP [20% / $0]
- BRiC Partnership, LLCBelleville, IL$0
- Webb Engineering Services, Inc. (subcontractor)BEP [20% / $0]
- DLR Group, Inc.Chicago, IL$0
- Fuhrmann Engineering, Inc. (subcontractor)BEP [20% / $0]
- Farnsworth Group, Inc.Normal, IL$0
- Delta Engineering Group (subcontractor)BEP [20% / $0]
- CCS International, Inc. (subcontractor)BEP [3% / $0]
- Globetrotters Engineering CorporationChicago, IL$0BEP [100% / $0]
- Henneman Engineering, Inc.Champaign, IL$0
- Custom Engineering, Inc. (subcontractor)BEP [20% / $0]
- IMEG CorporationRock Island, IL$0
- LCM Architects (subcontractor)BEP [3% / $0]
- Rubinos & Mesia Engineers, Inc. (subcontractor)BEP [10% / $0]
- BPI Testing, LLC (subcontractor)BEP [3% / $0]
- CCS International, Inc. (subcontractor)BEP [5% / $0]
- Interface Engineering, Inc.Chicago, IL$0
- CCS International, Inc. (subcontractor)BEP [12% / $0]
- Rubinos & Mesia Engineers, Inc. (subcontractor)BEP [8% / $0]
- Keith Engineering Design (KED)Peoria, IL$0
- Webb Engineering Services, Inc. (subcontractor)BEP [15% / $0]
- Terra Engineering, Ltd. (subcontractor)BEP [5% / $0]
- Kimley-Horn and Associates, Inc.Lisle, IL$0
- Mode Architects, PC (subcontractor)BEP [20% / $0]
- Kluber, Inc.Batavia, IL$0
- Prairie Engineers, PC (subcontractor)BEP [15% / $0]
- American Veteran Industries, LLC (subcontractor)VBP [5% / $0]
- M.E.P. Infrastructure Solutions, Inc.Chicago, IL$0BEP [94% / $0]
- Terra Engineering, Ltd. (subcontractor)BEP [6% / $0]
- Middough, Inc.Oak Brook, IL$0
- General Energy Corporation (subcontractor)BEP [20% / $0]
- Milhouse Engineering and Construction, Inc.Chicago, IL$0BEP [100% / $0]
- Nest Builders dba dbHMSChicago, IL$0BEP [100% / $0]
- Primera Engineers, Ltd.Chicago, IL$0BEP [100% / $0]
- PRVN Consultants, Inc.North Liberty, IA$0
- Quigg Engineering, Inc. (subcontractor)BEP [20% / $0]