| Department of Information Technology and Telecommunications | 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010 | 387 | $38,514,144 | Review suppliers & follow agency Save agency |
| Department of Citywide Administrative Services | 2024, 2023, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010 | 412 | $29,671,794 | Review suppliers & follow agency Save agency |
| Department of Finance | 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011 | 166 | $12,761,708 | Review suppliers & follow agency Save agency |
| School Construction Authority | 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010 | 82 | $11,992,670 | Review suppliers & follow agency Save agency |
| Department of Social Services | 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012 | 94 | $11,008,516 | Review suppliers & follow agency Save agency |
| Fire Department | 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011 | 260 | $10,763,008 | Review suppliers & follow agency Save agency |
| Department of Sanitation | 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010 | 139 | $9,785,452 | Review suppliers & follow agency Save agency |
| Department of Emergency Management | 2024, 2022, 2021 | 17 | $7,999,335 | Review suppliers & follow agency Save agency |
| Financial Information Services Agency | 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010 | 85 | $6,122,025 | Review suppliers & follow agency Save agency |
| Mayoralty | 2023, 2022, 2021, 2020, 2017 | 66 | $4,363,199 | Review suppliers & follow agency Save agency |
| Department of Education | 2025, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2012, 2011, 2010 | 66 | $3,205,413 | Review suppliers & follow agency Save agency |
| Department of Correction | 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2016 | 31 | $2,997,874 | Review suppliers & follow agency Save agency |
| Administration for Children's Services | 2024, 2023, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014 | 33 | $2,658,212 | Review suppliers & follow agency Save agency |
| Department of Environmental Protection | 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2016, 2015, 2014 | 25 | $2,024,585 | Review suppliers & follow agency Save agency |
| NYC Taxi and Limousine Commission | 2025, 2024, 2023, 2022, 2021, 2020, 2017 | 10 | $2,019,526 | Review suppliers & follow agency Save agency |
| Department of Transportation | 2025, 2024, 2023, 2022, 2020, 2019 | 19 | $1,921,673 | Review suppliers & follow agency Save agency |
| Board of Elections | 2012, 2011 | 13 | $1,908,719 | Review suppliers & follow agency Save agency |
| Police Department | 2025, 2024, 2023, 2022, 2021, 2019, 2018, 2017 | 11 | $1,565,019 | Review suppliers & follow agency Save agency |
| Law Department | 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014 | 19 | $1,132,694 | Review suppliers & follow agency Save agency |
| Department of Homeless Services | 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2011, 2010 | 34 | $1,112,890 | Review suppliers & follow agency Save agency |
| City University of New York | 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2015, 2014 | 69 | $991,074 | Review suppliers & follow agency Save agency |
| Department of Youth and Community Development | 2025, 2024, 2023, 2022, 2021, 2020, 2019, 2018 | 16 | $973,768 | Review suppliers & follow agency Save agency |
| Office of the Comptroller | 2025, 2018, 2017, 2016, 2015, 2014 | 7 | $951,113 | Review suppliers & follow agency Save agency |
| Department of Buildings | 2019, 2018, 2016, 2015, 2014, 2013 | 18 | $934,946 | Review suppliers & follow agency Save agency |
| Department of Health and Mental Hygiene | 2024, 2023, 2022, 2017, 2016, 2015, 2014 | 11 | $720,855 | Review suppliers & follow agency Save agency |
| Department for the Aging | 2025, 2024, 2023, 2022 | 8 | $641,238 | Review suppliers & follow agency Save agency |
| Department of Parks and Recreation | 2024, 2023, 2021 | 9 | $547,640 | Review suppliers & follow agency Save agency |
| Housing Preservation and Development | 2024, 2023, 2011 | 7 | $499,873 | Review suppliers & follow agency Save agency |
| Department of Cultural Affairs | 2011, 2010 | 18 | $414,594 | Review suppliers & follow agency Save agency |
| Department of Design and Construction | 2025, 2024, 2023, 2022 | 5 | $358,319 | Review suppliers & follow agency Save agency |
| Office of Payroll Administration | 2024, 2016, 2015, 2014 | 4 | $216,125 | Review suppliers & follow agency Save agency |
| Department of Veterans' Services | 2018 | 1 | $202,044 | Review suppliers & follow agency Save agency |
| Department of Small Business Services | 2024, 2023, 2017, 2016, 2015, 2014 | 6 | $117,378 | Review suppliers & follow agency Save agency |
| Department of Probation | 2025 | 3 | $71,193 | Review suppliers & follow agency Save agency |
| Department of City Planning | 2016 | 1 | $2,993 | Review suppliers & follow agency Save agency |