| MMA185020258807204 | SI ENGINEERING, P.C. | Department of Design and Construction | HWCRQ06M, Requirements Contracts for Resident Engineering In | $50.0M | Oct 2025 | Sep 2029 | Asian American |
| MMA185020186000253 | SI ENGINEERING, P.C. | Department of Design and Construction | RC for Engineering Design, Citywide (Medium) | $30.0M | Aug 2017 | Aug 2021 | Asian American |
| MMA185020216201377 | SI ENGINEERING, P.C. | Department of Design and Construction | HWCRQ05B, Reqs. Cont. for REI services, type B | $25.0M | Mar 2021 | Feb 2024 | Asian American |
| MMA185020248805218 | SI ENGINEERING, P.C. | Department of Design and Construction | HWCRQ05B, Renewal of Requirements Contract for Resident Engi | $20.5M | Mar 2024 | Jun 2025 | Asian American |
| MMA185020176000015 | SI ENGINEERING, P.C. | Department of Design and Construction | RC for REI Services Small Infra Projects, Citywide | $12.0M | Nov 2017 | Nov 2020 | Asian American |
| MMA185020156201336 | SI ENGINEERING, P.C. | Department of Design and Construction | REI FOR SMALL INFRASTRUCTURE PROJECTS, CITYWIDE | $12.0M | Jul 2015 | Jul 2016 | Asian American |
| MMA185020176201041 | SI ENGINEERING, P.C. | Department of Design and Construction | Requirements Contract for CM Services Small Projects | $12.0M | Mar 2017 | Feb 2020 | Asian American |
| MMA185020126200271 | SI ENGINEERING, P.C. | Department of Design and Construction | REI SERVICES FOR SMALL INFRASTRUCTURE PROJECTS, CITYWIDE | $11.1M | Dec 2011 | Nov 2014 | Asian American |
| MMA185020156200047 | SI ENGINEERING, P.C. | Department of Design and Construction | ENGINEERING DESIGN & RELATED SERVICES FOR SMALL INFRASTRUCTU | $8.0M | Aug 2014 | Aug 2018 | Asian American |
| MMA185020206201696 | SI ENGINEERING, P.C. | Department of Design and Construction | RQCM_SMALL, Renewal of Req's for Construction Management Ser | $3.0M | Feb 2020 | Feb 2022 | Asian American |
| MMA185020228805233 | SI ENGINEERING, P.C. | Department of Design and Construction | RQCM_SM, Renewal of Requirements Contract for Construction M | $3.0M | Mar 2022 | Mar 2023 | Asian American |