| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2017 |
Maryland State Department Of Education |
Frederick County Public Schools |
$253,544,675.20 |
Maryland State Checkbook |
| 2022 |
Maryland Health Benefit Exchange |
Carefirst Bluechoice Inc |
$253,399,360.04 |
Maryland State Checkbook |
| 2016 |
Maryland State Department Of Education |
Howard County Public School System |
$252,434,408.46 |
Maryland State Checkbook |
| 2023 |
Comptroller Of Maryland |
Us Bank Corporate Payment Systems |
$251,349,154.10 |
Maryland State Checkbook |
| 2020 |
Maryland State Department Of Education |
Board Of Education Of Harford County |
$250,324,557.00 |
Maryland State Checkbook |
| 2016 |
Maryland State Department Of Education |
Frederick County Public Schools |
$248,017,149.69 |
Maryland State Checkbook |
| 2024 |
Maryland Department Of Health |
The Arc Of The Central Chesapeake R |
$244,846,756.16 |
Maryland State Checkbook |
| 2023 |
Maryland Department Of Health |
University Of Maryland Medical System |
$244,525,858.47 |
Maryland State Checkbook |
| 2022 |
Maryland Department Of Health, Mdh |
Aetna Health Inc |
$242,202,274.78 |
Maryland State Checkbook |
| 2021 |
Maryland Department Of Health, Mdh |
Aetna Health Inc |
$236,765,698.20 |
Maryland State Checkbook |
| 2023 |
State Department Of Education |
Wicomico County Board Of Education |
$235,233,241.31 |
Maryland State Checkbook |
| 2021 |
Maryland Department Of Health, Mdh |
Jai Medical Systems Managed Care Organization Inc |
$234,571,011.14 |
Maryland State Checkbook |
| 2022 |
Maryland State Department Of Education |
Board Of Education Of Charles County |
$234,385,311.82 |
Maryland State Checkbook |
| 2018 |
Maryland Department Of Health, Mdh |
University Of Maryland Health Partners Inc |
$234,354,128.30 |
Maryland State Checkbook |
| 2025 |
Maryland Transportation Authority |
State Highway Administration |
$233,625,902.10 |
Maryland State Checkbook |
| 2019 |
Maryland State Department Of Education |
Board Of Education Of Harford County |
$233,428,242.10 |
Maryland State Checkbook |
| 2024 |
State Department Of Education |
Wicomico County Board Of Education |
$231,890,635.42 |
Maryland State Checkbook |
| 2018 |
Maryland State Department Of Education |
Board Of Education Of Harford County |
$229,962,444.50 |
Maryland State Checkbook |
| 2022 |
Comptroller Of Maryland |
Us Bank Corporate Payment Systems |
$227,113,380.92 |
Maryland State Checkbook |
| 2025 |
State Department Of Education |
Wicomico County Board Of Education |
$226,682,618.70 |
Maryland State Checkbook |
| 2016 |
Maryland State Department Of Education |
Harford Co Public Schools Third Party Billing Ofc |
$226,444,776.64 |
Maryland State Checkbook |
| 2021 |
Maryland State Department Of Education |
Washington County Board Of Education |
$224,798,968.15 |
Maryland State Checkbook |
| 2021 |
Maryland State Department Of Education |
Board Of Education Of Charles County |
$222,181,009.07 |
Maryland State Checkbook |
| 2020 |
Maryland Department Of Health, Mdh |
Jai Medical Systems Managed Care Organization Inc |
$221,379,394.70 |
Maryland State Checkbook |
| 2020 |
Maryland State Department Of Education |
Charles County Public Schools |
$216,984,611.40 |
Maryland State Checkbook |
| 2020 |
Maryland State Department Of Education |
Washington County Board Of Education |
$215,290,708.70 |
Maryland State Checkbook |
| 2021 |
Comptroller Of Maryland |
Us Bank Corporate Payment Systems |
$215,233,122.52 |
Maryland State Checkbook |
| 2025 |
Dept Of Public Safety & Correctional Svc |
Centurion Of Maryland Llc |
$213,032,764.40 |
Maryland State Checkbook |
| 2022 |
Maryland Department Of Health, Mdh |
Jai Medical Systems Managed Care Organization Inc |
$212,881,842.81 |
Maryland State Checkbook |
| 2024 |
Maryland Transportation Authority |
State Highway Administration |
$212,563,604.60 |
Maryland State Checkbook |
| 2025 |
State Highway Admin |
Baltimore City Director Of Finance |
$207,844,799.30 |
Maryland State Checkbook |
| 2022 |
Maryland State Department Of Education |
Wicomico County Board Of Education |
$207,728,320.84 |
Maryland State Checkbook |
| 2021 |
Maryland Health Benefit Exchange |
Carefirst Bluechoice Inc |
$206,560,535.36 |
Maryland State Checkbook |
| 2021 |
Maryland Department Of Health, Mdh |
University Of Maryland Medical System |
$205,801,604.58 |
Maryland State Checkbook |
| 2025 |
State Department Of Education |
Carroll County Career & Technology Center |
$205,792,000.50 |
Maryland State Checkbook |
| 2023 |
Maryland Department Of Health |
Jai Medical Systems Managed Care Organization Inc |
$204,453,237.94 |
Maryland State Checkbook |
| 2019 |
Maryland Department Of Health, Mdh |
Jai Medical Systems Managed Care Organization Inc |
$204,420,574.90 |
Maryland State Checkbook |
| 2018 |
Maryland Department Of Health, Mdh |
Jai Medical Systems Managed Care Organization Inc |
$203,081,976.50 |
Maryland State Checkbook |
| 2019 |
Maryland State Department Of Education |
Charles County Public Schools |
$201,313,779.10 |
Maryland State Checkbook |
| 2019 |
Maryland State Department Of Education |
Washington County Board Of Education |
$200,642,938.70 |
Maryland State Checkbook |
| 2024 |
State Department Of Education |
Carroll County Career & Technology Center |
$199,864,775.33 |
Maryland State Checkbook |
| 2024 |
Maryland Department Of Health |
Jai Medical Systems Managed Care Organization Inc |
$199,355,882.37 |
Maryland State Checkbook |
| 2018 |
Maryland State Department Of Education |
Washington County Board Of Education |
$193,709,328.40 |
Maryland State Checkbook |
| 2021 |
State Highway Admin |
Baltimore City Director Of Finance |
$193,537,515.87 |
Maryland State Checkbook |
| 2016 |
Dhmh-General Accounting |
Jai Medical Systems Managed Care Organization Inc |
$192,701,894.31 |
Maryland State Checkbook |
| 2017 |
Maryland State Department Of Education |
Washington County Board Of Education |
$190,120,658.60 |
Maryland State Checkbook |
| 2025 |
Maryland Department Of Health |
Johns Hopkins Health Sys |
$189,292,722.80 |
Maryland State Checkbook |
| 2018 |
Maryland State Department Of Education |
Charles County Public Schools |
$188,993,470.40 |
Maryland State Checkbook |
| 2021 |
Maryland State Department Of Education |
Wicomico County Board Of Education |
$188,220,133.79 |
Maryland State Checkbook |
| 2017 |
Revenue |
Dor-floyd |
$188,000,000.00 |
Maryland State Checkbook |
| 2017 |
Maryland State Department Of Education |
Charles County Public Schools |
$186,514,597.80 |
Maryland State Checkbook |
| 2023 |
State Department Of Education |
Carroll County Public Schools |
$186,491,838.54 |
Maryland State Checkbook |
| 2025 |
Maryland Department Of Health |
Jai Medical Systems Managed Care Organization Inc |
$186,025,645.80 |
Maryland State Checkbook |
| 2016 |
Maryland State Department Of Education |
Washington County Public Schools |
$184,926,928.96 |
Maryland State Checkbook |
| 2020 |
State Highway Admin |
Baltimore City Director Of Finance |
$181,563,945.80 |
Maryland State Checkbook |
| 2020 |
Maryland State Department Of Education |
Wicomico County Board Of Education |
$179,282,779.60 |
Maryland State Checkbook |
| 2019 |
Maryland Department Of Health, Mdh |
University Of Maryland St Joseph Medical Center |
$178,084,264.65 |
Maryland State Checkbook |
| 2022 |
Maryland State Department Of Education |
Carroll County Public Schools |
$178,079,241.42 |
Maryland State Checkbook |
| 2022 |
Maryland Department Of Health, Mdh |
Umms |
$177,633,597.70 |
Maryland State Checkbook |
| 2023 |
State Highway Admin |
Baltimore City Director Of Finance |
$177,301,900.54 |
Maryland State Checkbook |
| 2019 |
State Highway Admin |
Baltimore City Director Of Finance |
$176,777,020.80 |
Maryland State Checkbook |
| 2016 |
Maryland State Department Of Education |
Charles County Public Schools |
$175,528,655.84 |
Maryland State Checkbook |
| 2023 |
Maryland Transportation Authority |
State Highway Administration |
$175,040,115.60 |
Maryland State Checkbook |
| 2024 |
State Highway Admin |
Baltimore City Director Of Finance |
$174,679,860.86 |
Maryland State Checkbook |
| 2016 |
Dhmh-General Accounting |
University Of Maryland Medical Center |
$171,159,778.80 |
Maryland State Checkbook |
| 2024 |
State Department Of Education |
St Mary's County Public Schools |
$170,456,377.81 |
Maryland State Checkbook |
| 2025 |
State Department Of Education |
St Mary's County Public Schools |
$170,056,932.20 |
Maryland State Checkbook |
| 2018 |
Maryland Transit Administration |
Purple Line Transit Partners |
$169,109,122.00 |
Maryland State Checkbook |
| 2023 |
Maryland Department Of Health |
Adventist Healthcare Inc |
$168,291,538.55 |
Maryland State Checkbook |
| 2021 |
Maryland Transit Administration |
Purple Line Transit Partners |
$168,171,377.00 |
Maryland State Checkbook |
| 2024 |
State Department Of Education |
Board Of Education Of Cecil County |
$167,153,256.56 |
Maryland State Checkbook |
| 2016 |
Dhmh-General Accounting |
The Johns Hopkins Hospital Inc |
$166,480,864.37 |
Maryland State Checkbook |
| 2019 |
Maryland State Department Of Education |
Wicomico County Board Of Education |
$165,593,998.30 |
Maryland State Checkbook |
| 2022 |
Maryland Transportation Authority |
State Highway Administration |
$164,991,013.80 |
Maryland State Checkbook |
| 2021 |
Maryland State Department Of Education |
Carroll County Public Schools |
$164,832,093.66 |
Maryland State Checkbook |
| 2024 |
Maryland Department Of Health |
The Johns Hopkins Hospital |
$164,452,947.09 |
Maryland State Checkbook |
| 2018 |
Maryland State Department Of Education |
Wicomico County Maryland |
$162,524,897.20 |
Maryland State Checkbook |
| 2025 |
State Department Of Education |
Board Of Education Of Cecil County |
$162,199,854.90 |
Maryland State Checkbook |
| 2018 |
Maryland Department Of Health, Mdh |
The Johns Hopkins Hospital Inc |
$160,950,419.10 |
Maryland State Checkbook |
| 2020 |
Maryland Department Of Health, Mdh |
Johns Hopkins Health Sys |
$159,188,887.40 |
Maryland State Checkbook |
| 2023 |
State Department Of Education |
St Mary's County Public Schools |
$157,899,030.67 |
Maryland State Checkbook |
| 2020 |
Department Of General Services |
Portals Llc |
$157,834,661.00 |
Maryland State Checkbook |
| 2019 |
Maryland Department Of Health, Mdh |
The Johns Hopkins Hospital Inc |
$157,651,351.60 |
Maryland State Checkbook |
| 2018 |
State Highway Admin |
Baltimore City Director Of Finance |
$157,248,046.30 |
Maryland State Checkbook |
| 2022 |
Maryland Department Of Health, Mdh |
Adventist Healthcare Inc |
$156,562,097.84 |
Maryland State Checkbook |
| 2023 |
Maryland Department Of Health |
The Johns Hopkins Hospital |
$154,555,232.39 |
Maryland State Checkbook |
| 2022 |
Maryland Transportation Authority |
Skanska-Corman-Mclean Jv |
$152,555,744.30 |
Maryland State Checkbook |
| 2022 |
State Highway Admin |
Baltimore City Director Of Finance |
$152,364,370.64 |
Maryland State Checkbook |
| 2020 |
Maryland State Department Of Education |
Carroll County Public Schools |
$152,012,538.10 |
Maryland State Checkbook |
| 2016 |
Dhmh-General Accounting |
Kaiser Foundation Health Plan/Mid-Atlantic States |
$151,302,776.08 |
Maryland State Checkbook |
| 2023 |
State Department Of Education |
Board Of Education Of Cecil County |
$150,885,473.39 |
Maryland State Checkbook |
| 2016 |
State Highway Admin |
Baltimore City Director Of Finance |
$150,326,918.55 |
Maryland State Checkbook |
| 2021 |
Maryland Department Of Health, Mdh |
Johns Hopkins Hospital, Pathology Lab |
$150,002,826.95 |
Maryland State Checkbook |
| 2020 |
Maryland Department Of Health, Mdh |
Aetna Health Inc |
$149,114,013.20 |
Maryland State Checkbook |
| 2017 |
Corrections |
Corizon Llc |
$148,259,908.30 |
Maryland State Checkbook |
| 2017 |
Maryland Department Of Health, Mdh |
Crna University Md Medic |
$148,014,313.20 |
Maryland State Checkbook |
| 2025 |
Maryland Transit Administration |
Purple Line Transit Partners |
$147,933,997.10 |
Maryland State Checkbook |
| 2016 |
Maryland State Department Of Education |
Board Of Education Of Wicomico County |
$147,207,175.92 |
Maryland State Checkbook |
| 2018 |
Maryland Department Of Health, Mdh |
University Of Maryland Medical Center |
$147,070,248.50 |
Maryland State Checkbook |
| 2016 |
Dhmh-General Accounting |
Riverside Health Of Maryland Inc |
$145,899,216.73 |
Maryland State Checkbook |