| Year |
Employer |
Vendor Name |
Amount |
Source |
| 2022 |
Mdot The Secretary's Office |
Wmata |
$625,045,728.00 |
Maryland State Checkbook |
| 2024 |
Mdot The Secretary's Office |
Wmata |
$622,266,521.00 |
Maryland State Checkbook |
| 2020 |
Mdot The Secretary's Office |
Wmata |
$606,731,407.00 |
Maryland State Checkbook |
| 2023 |
State Department Of Education |
Anne Arun Co Pub School |
$601,111,648.51 |
Maryland State Checkbook |
| 2020 |
Maryland Department Of Health, Mdh |
Fed Hosp Ins Trust Fund |
$593,480,752.10 |
Maryland State Checkbook |
| 2022 |
Maryland State Department Of Education |
Md St Retirement Working Fund |
$584,626,794.00 |
Maryland State Checkbook |
| 2019 |
Mdot The Secretary's Office |
Wmata |
$560,836,334.00 |
Maryland State Checkbook |
| 2023 |
Maryland Department Of Health |
Medstar Family Choice |
$560,047,366.03 |
Maryland State Checkbook |
| 2024 |
State Department Of Education |
Md St Retirement Working Fund |
$558,728,556.00 |
Maryland State Checkbook |
| 2021 |
Maryland Department Of Health, Mdh |
Medstar Family Choice |
$547,711,464.09 |
Maryland State Checkbook |
| 2024 |
Maryland Department Of Health |
Kaiser Foundation Health Plan Of The Mid-Atlantic |
$547,178,311.69 |
Maryland State Checkbook |
| 2023 |
State Department Of Education |
Md St Retirement Working Fund |
$543,482,922.00 |
Maryland State Checkbook |
| 2022 |
Maryland Department Of Health, Mdh |
Medstar Family Choice |
$540,316,705.19 |
Maryland State Checkbook |
| 2024 |
Maryland Department Of Health |
Medstar Family Choice |
$536,015,767.15 |
Maryland State Checkbook |
| 2022 |
Maryland Department Of Health, Mdh |
Center For Medicare & Medicaid Services |
$535,051,685.95 |
Maryland State Checkbook |
| 2022 |
Maryland State Department Of Education |
Board Of Education Of Anne Arundel County |
$534,638,760.18 |
Maryland State Checkbook |
| 2025 |
Maryland Department Of Health |
Carefirst Community Partners Inc |
$533,425,485.60 |
Maryland State Checkbook |
| 2023 |
Maryland Department Of Health |
Kaiser Foundation Health Plan Of The Mid-Atlantic |
$530,467,517.05 |
Maryland State Checkbook |
| 2024 |
Maryland Department Of Health |
Carefirst Community Partners Inc |
$503,582,060.27 |
Maryland State Checkbook |
| 2020 |
Maryland Department Of Health, Mdh |
Medstar Family Choice |
$499,336,697.60 |
Maryland State Checkbook |
| 2017 |
Elementary And Secondary Education |
Missouri Health & Educational |
$498,719,280.02 |
Maryland State Checkbook |
| 2022 |
Maryland Department Of Health, Mdh |
Kaiser Foundation Health Plan Of The Mid-Atlantic |
$498,644,746.76 |
Maryland State Checkbook |
| 2022 |
Maryland Transit Administration |
Purple Line Transit Partners |
$491,633,000.98 |
Maryland State Checkbook |
| 2019 |
Maryland Department Of Health, Mdh |
Center For Medicare & Medicaid Services |
$487,299,672.86 |
Maryland State Checkbook |
| 2021 |
Maryland Department Of Health, Mdh |
Center For Medicare & Medicaid Services |
$483,861,191.30 |
Maryland State Checkbook |
| 2021 |
Maryland State Department Of Education |
Anne Arun Co Pub School |
$482,145,771.66 |
Maryland State Checkbook |
| 2018 |
Maryland Department Of Health, Mdh |
Fed Hosp Ins Trust Fund |
$478,875,586.90 |
Maryland State Checkbook |
| 2019 |
Maryland Department Of Health, Mdh |
Medstar Family Choice |
$477,641,900.10 |
Maryland State Checkbook |
| 2025 |
Maryland Department Of Health |
Medstar Family Choice |
$476,946,137.10 |
Maryland State Checkbook |
| 2023 |
Mdot The Secretary's Office |
Depository Trust Company |
$469,996,640.60 |
Maryland State Checkbook |
| 2023 |
Maryland Department Of Health |
Carefirst Community Partners Inc |
$462,497,140.73 |
Maryland State Checkbook |
| 2021 |
Maryland Department Of Health, Mdh |
Kaiser Foundation Health Plan Of The Mid-Atlantic |
$459,616,364.35 |
Maryland State Checkbook |
| 2018 |
Maryland Department Of Health, Mdh |
Medstar Family Choice |
$453,527,992.60 |
Maryland State Checkbook |
| 2020 |
Maryland State Department Of Education |
Board Of Education Of Anne Arundel |
$446,931,530.80 |
Maryland State Checkbook |
| 2025 |
Maryland Department Of Health |
Kaiser Foundation Health Plan Of The Mid-Atlantic |
$445,679,132.00 |
Maryland State Checkbook |
| 2016 |
Mdot The Secretary's Office |
Wmata |
$445,250,139.00 |
Maryland State Checkbook |
| 2017 |
Higher Education |
Curators Univ Of Missouri |
$438,797,965.00 |
Maryland State Checkbook |
| 2021 |
Mdot The Secretary's Office |
Depository Trust Company |
$429,620,200.04 |
Maryland State Checkbook |
| 2022 |
Mdot The Secretary's Office |
Depository Trust Company |
$424,192,979.52 |
Maryland State Checkbook |
| 2025 |
State Department Of Education |
Hcpps |
$421,960,157.80 |
Maryland State Checkbook |
| 2025 |
Mdot The Secretary's Office |
Depository Trust Company |
$417,993,788.80 |
Maryland State Checkbook |
| 2019 |
Maryland State Department Of Education |
North County High School |
$416,987,183.30 |
Maryland State Checkbook |
| 2024 |
Mdot The Secretary's Office |
Depository Trust Company |
$415,395,820.05 |
Maryland State Checkbook |
| 2024 |
State Department Of Education |
Hcpps |
$412,831,565.38 |
Maryland State Checkbook |
| 2017 |
Transportation |
Bokf Na |
$412,523,099.80 |
Maryland State Checkbook |
| 2024 |
State Department Of Education |
Frederick County Public School |
$406,572,784.21 |
Maryland State Checkbook |
| 2018 |
Maryland State Department Of Education |
Anne Arundel County Public Schools |
$402,299,989.60 |
Maryland State Checkbook |
| 2023 |
State Department Of Education |
Hcpps |
$395,644,160.01 |
Maryland State Checkbook |
| 2016 |
Dhmh-General Accounting |
Health Care Financing Adm |
$395,522,260.00 |
Maryland State Checkbook |
| 2023 |
State Department Of Education |
Frederick County Public Schools |
$387,990,822.95 |
Maryland State Checkbook |
| 2016 |
Maryland State Department Of Education |
Anne Arundel County Public Schools |
$383,984,161.19 |
Maryland State Checkbook |
| 2020 |
Mdot The Secretary's Office |
Depository Trust Company |
$376,878,762.20 |
Maryland State Checkbook |
| 2025 |
Maryland Department Of Health |
The Arc Of The Central Chesapeake R |
$364,700,092.30 |
Maryland State Checkbook |
| 2018 |
Mdot The Secretary's Office |
Depository Trust Company |
$355,913,400.30 |
Maryland State Checkbook |
| 2019 |
Mdot The Secretary's Office |
Depository Trust Company |
$354,418,588.60 |
Maryland State Checkbook |
| 2022 |
Maryland State Department Of Education |
Hcpps |
$352,908,848.95 |
Maryland State Checkbook |
| 2025 |
State Department Of Education |
Board Of Education Of Frederick County Constr Fund |
$352,034,438.70 |
Maryland State Checkbook |
| 2025 |
State Department Of Education |
Board Of Education Of Harford County |
$347,769,887.20 |
Maryland State Checkbook |
| 2024 |
State Department Of Education |
Board Of Education Of Harford County |
$347,131,846.24 |
Maryland State Checkbook |
| 2025 |
Maryland Health Benefit Exchange |
Carefirst Bluechoice Inc |
$345,205,719.00 |
Maryland State Checkbook |
| 2020 |
Maryland Department Of Health, Mdh |
Kaiser Foundation Health Plan Of The Mid-Atlantic |
$344,139,878.80 |
Maryland State Checkbook |
| 2022 |
Maryland State Department Of Education |
Board Of Education Of Frederick County Constr Fund |
$343,541,057.36 |
Maryland State Checkbook |
| 2021 |
Maryland State Department Of Education |
Hcpps |
$334,839,595.37 |
Maryland State Checkbook |
| 2016 |
Dhmh-General Accounting |
Medstar Family Choice |
$333,786,796.10 |
Maryland State Checkbook |
| 2022 |
Maryland Department Of Health, Mdh |
Carefirst Community Partners Inc |
$328,365,586.72 |
Maryland State Checkbook |
| 2023 |
State Department Of Education |
Board Of Education Of Harford County |
$325,376,573.56 |
Maryland State Checkbook |
| 2020 |
Maryland State Department Of Education |
Hcpps |
$311,433,490.80 |
Maryland State Checkbook |
| 2025 |
State Department Of Education |
Board Of Education Of Charles County |
$310,125,465.80 |
Maryland State Checkbook |
| 2021 |
Maryland State Department Of Education |
Board Of Education Of Frederick County Constr Fund |
$307,656,916.67 |
Maryland State Checkbook |
| 2023 |
Maryland Health Benefit Exchange |
Carefirst Bluechoice Inc |
$307,360,764.73 |
Maryland State Checkbook |
| 2024 |
Maryland Health Benefit Exchange |
Carefirst Bluechoice Inc |
$307,184,191.83 |
Maryland State Checkbook |
| 2025 |
Maryland Department Of Health |
Aetna Health Inc |
$294,971,278.70 |
Maryland State Checkbook |
| 2022 |
Maryland State Department Of Education |
Board Of Education Of Harford County |
$293,641,530.94 |
Maryland State Checkbook |
| 2019 |
Maryland Department Of Health, Mdh |
Kaiser Foundation Health Plan/Mid-Atlantic States |
$293,136,284.00 |
Maryland State Checkbook |
| 2024 |
State Department Of Education |
Washington County Board Of Education |
$291,787,329.19 |
Maryland State Checkbook |
| 2021 |
Maryland Department Of Health, Mdh |
University Of Maryland Health Partners Inc |
$291,257,864.97 |
Maryland State Checkbook |
| 2020 |
Maryland State Department Of Education |
Board Of Education Of Frederick County Dba |
$289,636,377.30 |
Maryland State Checkbook |
| 2018 |
Maryland Department Of Health, Mdh |
Kaiser Foundation Health Plan/Mid-Atlantic States |
$288,215,488.60 |
Maryland State Checkbook |
| 2025 |
State Department Of Education |
Washington County Board Of Education |
$286,639,034.70 |
Maryland State Checkbook |
| 2024 |
Maryland Department Of Health |
Aetna Health Inc |
$285,854,739.41 |
Maryland State Checkbook |
| 2019 |
Comptroller Of Maryland |
Us Bank Corporate Payment Systems |
$285,800,177.90 |
Maryland State Checkbook |
| 2019 |
Maryland State Department Of Education |
Hcpps |
$285,489,656.50 |
Maryland State Checkbook |
| 2024 |
State Department Of Education |
Board Of Education Of Charles County |
$285,470,035.62 |
Maryland State Checkbook |
| 2018 |
Comptroller Of Maryland |
Us Bank Corporate Payment Systems |
$277,171,525.90 |
Maryland State Checkbook |
| 2016 |
Mdot The Secretary's Office |
Depository Trust Company |
$276,371,702.65 |
Maryland State Checkbook |
| 2016 |
Comptroller Of Maryland |
Us Bank Corporate Payment Systems |
$275,841,114.08 |
Maryland State Checkbook |
| 2023 |
Maryland Department Of Health |
Aetna Health Inc |
$275,435,561.80 |
Maryland State Checkbook |
| 2019 |
Maryland State Department Of Education |
Frederick County Public Schools |
$274,625,904.10 |
Maryland State Checkbook |
| 2024 |
Comptroller Of Maryland |
Us Bank Corporate Payment Systems |
$269,868,592.81 |
Maryland State Checkbook |
| 2023 |
State Department Of Education |
Board Of Education Of Charles County |
$269,276,352.59 |
Maryland State Checkbook |
| 2018 |
Maryland State Department Of Education |
Hcpps |
$266,051,409.10 |
Maryland State Checkbook |
| 2020 |
Maryland Department Of Health, Mdh |
University Of Maryland Health Partners Inc |
$264,799,659.50 |
Maryland State Checkbook |
| 2023 |
State Department Of Education |
Washington County Board Of Education |
$263,122,729.20 |
Maryland State Checkbook |
| 2020 |
Comptroller Of Maryland |
Us Bank Corporate Payment Systems |
$262,954,337.90 |
Maryland State Checkbook |
| 2021 |
Maryland State Department Of Education |
Board Of Education Of Harford County |
$259,305,914.66 |
Maryland State Checkbook |
| 2025 |
Comptroller Of Maryland |
Us Bank Corporate Payment Systems |
$257,745,260.70 |
Maryland State Checkbook |
| 2019 |
Maryland Department Of Health, Mdh |
University Of Maryland Health Partners Inc |
$257,466,176.20 |
Maryland State Checkbook |
| 2020 |
Maryland Transit Administration |
Purple Line Transit Partners |
$256,881,110.00 |
Maryland State Checkbook |
| 2018 |
Maryland State Department Of Education |
Frederick Co Public Schools |
$256,172,431.30 |
Maryland State Checkbook |
| 2022 |
Maryland State Department Of Education |
Washington County Board Of Education |
$255,167,581.27 |
Maryland State Checkbook |