| Respiratory Health Association Of Metropolitan Chicago | 35788 | Vendor | — |
| Richard Group LLC | 33958 | Contractor | — |
| Rider Levett Bucknall, Ltd. | 32048 | A/E Specialty Consultant | — |
| Rivetna Architects, Inc. | 40783 | A/E | — |
| ROCHA ELECTRIC COMPANY | 40553 | Subcontractor | — |
| Rozalado & Co | 34256 | Subcontractor | — |
| RTG Electric Corporation | 34059 | Subcontractor | — |
| Rubinos & Mesia Engineers, Inc. | 3473 | A/E | — |
| Salas O'Brien Central, Inc. | 21370 | A/E | — |
| Scalaplus Inc. | 40323 | A/E | — |
| Schuler & Shook, Inc. | 32279 | A/E Specialty Consultant | — |
| SCM Plumbing Company | 35661 | Contractor | — |
| Scout Sourcing Partners LLC | 40348 | Subcontractor | — |
| Scovic Preservation Consulting, LLC | 41150 | A/E Specialty Consultant | — |
| Senga Architects Inc. | 34456 | A/E | — |
| Shah Ragan Arjona PLLC | 40318 | A/E | — |
| Shannon & Wilson, Inc. | 41033 | A/E | — |
| Shawn Brown Enterprises, Inc. | 26784 | Subcontractor | — |
| She Consulting Group, LLC | 40353 | Subcontractor | — |
| Shive-Hattery, Inc. | 34076 | A/E | — |
| SIMPLY E & C CORPORATION | 40554 | Subcontractor | — |
| Simpson Gumpertz & Heger, Inc. | 33830 | A/E | — |
| Singh & Associates Inc. | 20006 | A/E | — |
| Site Design Group, Ltd. | 28706 | A/E | — |
| Skidmore, Owings & Merrill LLP | 1886 | A/E | — |
| Slate Demolition LLC | 41122 | Subcontractor | — |
| SmithGroup, Inc. | 32114 | A/E | — |
| SMNG A Ltd. | 33336 | A/E | — |
| Solomon, Cordwell, Buenz & Associates, Inc. | 26141 | A/E | — |
| SoltysART Inc. | 40556 | Vendor | — |
| SPAAN Tech, Inc. | 33375 | Construction Manager | — |
| SPAAN Tech, Inc. | 29103 | A/E | — |
| Specialty Consulting, Inc. | 29944 | A/E | — |
| Spurlock and Son, Inc | 40920 | Subcontractor | — |
| SQN Associates, LLC | 35540 | Construction Manager | — |
| SQN Associates, LLC | 35180 | Subcontractor | — |
| Stanley Consultants, Inc. | 1892 | A/E | — |
| Stantec Architecture Inc. | 31616 | A/E | — |
| Stantec Consulting Services Inc. | 30362 | A/E | — |
| StayLitt Electric LLC | 40906 | Subcontractor | — |
| Stearn - Joglekar, Ltd. | 19884 | A/E | — |
| Stingray Electric LLC | 40608 | Subcontractor | — |
| STL Architects, Inc. | 26684 | A/E | — |
| STR Partners LLC | 27509 | A/E | — |
| Structure Re-Rights Inc. | 34802 | Subcontractor | — |
| Structures Construction LLC | 34339 | Contractor | — |
| StruxC-MC LLC | 34895 | Contractor | — |
| Studio AH, LLC | 33984 | A/E | — |
| Studio Gang Architects, Ltd. | 29296 | A/E | — |
| Studio GC, Inc. | 30595 | A/E | — |
| Studio J9 LLC | 35021 | A/E Specialty Consultant | — |
| STV Architects, Inc. | 30077 | A/E | — |
| STV Incorporated | 22594 | A/E | — |
| Sullwood Inc. | 34322 | Supplier | — |
| Super Electric Construction Co | 40344 | Subcontractor | — |
| SUSTAINABLE ELECTRIC, LLC | 40472 | Subcontractor | — |
| Swells Enterprises Inc | 41077 | Subcontractor | — |
| Synergy Construction Group LLC | 41139 | Contractor | — |
| Synnov Group Inc. | 33967 | A/E Specialty Consultant | — |
| Syska Hennessy Group, Inc. | 31622 | A/E | — |
| T & J Plumbing, Inc. | 26907 | Contractor | — |
| T.Y. Lin International Great Lakes Inc. | 29857 | A/E | — |
| Talman Consultants LLC | 40331 | Subcontractor | — |
| Taylor Electric Company | 1419 | Subcontractor | — |
| Taylor Made Design, Inc. | 31115 | A/E | — |
| TCA Health, Inc. | 40869 | Vendor | — |
| Techo Corporation | 40580 | Contractor | — |
| Terence J. Dowd/T Dowd LLC | 40558 | Vendor | — |
| Terra Engineering, Ltd. | 25991 | A/E | — |
| Terracon Consultants, Inc. | 30162 | A/E | — |
| TGDA Landscape Architecture LLC | 34907 | A/E Specialty Consultant | — |
| The Aberdeen Group, Inc. | 35302 | Contractor | — |
| The Architects Enterprise, Ltd. | 18427 | A/E | — |
| The Bowa Group, Inc. | 33104 | Contractor | — |
| The Concord Consulting Group of Illinois, Inc. | 33968 | Construction Manager | — |
| The Green Facilitator, Inc. | 34504 | A/E Specialty Consultant | — |
| The Lamar Johnson Collaborative Inc. | 35002 | A/E | — |
| The Roderick Group, Inc. | 34931 | Construction Manager | — |
| The Roderick Group, LLC. | 31475 | Subcontractor | — |
| The University of Chicago | 40385 | Vendor | — |
| Thornton Tomasetti, Inc. | 30045 | A/E | — |
| Threshold Acoustics LLC | 32248 | Subcontractor | — |
| Tri-Ant, Inc. | 36751 | Subcontractor | — |
| Truck King Hauling Contractors, Inc. | 32143 | Subcontractor | — |
| Turner Construction Company | 30516 | Construction Manager | — |
| Tyler Lane Construction, Inc. | 29875 | Contractor | — |
| Tylk Gustafson Reckers Wilson Andrews, LLC | 27680 | A/E | — |
| Ujamaa Construction, Inc. | 30122 | Contractor | — |
| Union Standard Construction Company | 41089 | Subcontractor | — |
| URBAN ROOTS INC | 40490 | Subcontractor | — |
| Urban Works, Ltd. | 21740 | A/E | — |
| USD LLC | 31346 | Subcontractor | — |
| Valerio Dewalt Train Associates P.C. | 22337 | A/E | — |
| Vanir Construction Management, Inc. | 33715 | Construction Manager | — |
| Vistara Construction Services, Inc | 32225 | Subcontractor | — |
| Walker Consultants, Inc. | 29576 | A/E | — |
| Wallin-Gomez Architects, Ltd. | 20977 | A/E | — |
| Walsh Construction Company II, LLC | 35276 | Construction Manager | — |
| Walsh Construction Company ll, LLC | 31769 | Contractor | — |
| Walter P Moore and Associates, Inc. | 40586 | A/E | — |
| Weese Langley Klein Architects Ltd. | 34388 | A/E | — |
| Wheeler Kearns Architects, Inc. | 20152 | A/E | — |
| Whitney Architects, Inc. | 41144 | A/E | — |
| Wight & Company | 28773 | A/E | — |
| William J. O'Brien/William J. O'Brien, LLC | 40534 | Vendor | — |
| Window Treatments, Inc | 41117 | Subcontractor | — |
| Worldwide Global International, Inc. | 32516 | Vendor | — |
| Worldwide Natural Stone & Tile Inc | 40771 | Subcontractor | — |
| WSP USA Buildings Inc. | 34275 | A/E | — |
| WSP USA Inc. | 40431 | A/E | — |
| YARD 1 LLC | 40478 | Subcontractor | — |
| Yu & Associates Collaborative, PLLC | 40566 | A/E | — |
| ZOHA Architecure + Design, LLC | 35941 | Subcontractor | — |