| MDX-16-01 | Design-Build Services for the Reconstruction of SR 836/I-395 from West of NW 17th Avenue to I-95/Midtown Interchange in Miami Dade County | 07/12/2018 | 07/28/2027 | Details |
| MDX-18-02 | Toll Collection System: Equipment, Installation, Maintenance, and Support Services | 02/01/2018 | 02/01/2028 | Details |
| MDX-19-06 | Legal Representation | 05/03/2019 | | Details |
| MDX-20-02 | Manucfacturer Dealer Parts and Repair Services | 10/30/2019 | 10/29/2024 | Details |
| MDX-21-05 | Audio Visual Equipment Services | 05/18/2021 | 03/22/2026 | Details |
| MDX-21-07 | Municipal Financial Advisory Services | 06/14/2021 | 03/24/2025 | Details |
| MDX-22-02 | Financial Auditing Services | 01/04/2022 | 12/14/2024 | Details |
| MDX-22-14 | Mobile Communication Services | 01/11/2022 | 08/03/2026 | Details |
| MDX-22-21 | Purchasing Card Program | 06/15/2022 | 01/04/2026 | Details |
| MDX-23-03 | Manual Image Review (MIR) Processing Services | 06/28/2023 | 06/30/2028 | Details |
| RFP-15-05 | Investment Advisory Services | 10/27/2015 | 05/31/2026 | Details |
| RFP-16-01 (A) | Inspection & Reporting Services for MDX Structures | 07/21/2016 | 12/15/2024 | Details |
| RFP-16-01 (B) | Inspection & Reporting Services for MDX Structures | 07/21/2016 | 12/15/2024 | Details |
| RFP-21-01 | Asset Maintenance Services | 04/06/2021 | 06/30/2026 | Details |
| RFP-22-01 | Design-Build Services for SR 836 New Heft Ramp Connections | 02/25/2022 | 12/28/2024 | Details |
| RFP-23-01 | SYSTEMWIDE AESTHETIC MAINTENANCE | 02/22/2023 | 02/28/2027 | Details |
| RFP-23-02 (A) | General Engineering Consulting Services (GEC-A) | 06/28/2023 | 06/30/2028 | Details |
| RFP-23-02 (B) | General Engineering Consulting Services(GEC-B) | 06/28/2023 | 06/30/2028 | Details |
| RFP-23-03 | Traffic & Revenue Consulting Services | 07/17/2023 | 07/17/2028 | Details |
| RFQ-17-04 (A) | Legal Services Support - Eminent Domain | 04/01/2017 | 07/28/2024 | Details |
| RFQ-17-04(C) | Legal Support Services - Bond/Disclosure & Financial | 04/01/2017 | 05/28/2024 | Details |
| RFQ-22-01 | Construction Engineering and Inspection (CE&I) Services for MDX 83634 SR 836 New Heft Ramp Connections | 04/20/2022 | 12/14/2024 | Details |
| RFQ-22-02 | Construction Engineering and Inspection (CE&I) Services for the MDX Wrong Way Safety Program | 09/07/2022 | 09/29/2023 | Details |
| RFQ-23-01 | Design Engineering Services for the Widening of Sw 137th Avenue from SW 8th Street to SW 26th Street | 03/07/2023 | 09/12/2024 | Details |
| RFQ-24-01 | Design Engineering Services for SR 878 LED Lighting Conversion | 06/28/2024 | 05/06/2025 | Details |