Middlesex | Middlesex County, Massachusetts | Middlesex County | Middlesex Hospital | Middlesex University | Middlesex County, New Jersey | Yerwada Central Jail | Tihar Jail | Middlesex County, Ontario | Madea Goes to Jail | Westminster, Middlesex County, Ontario | Southwest Middlesex, Ontario | Middlesex (UK Parliament constituency) | Middlesex Regiment | Middlesex Cricket Board | Lionel Cranfield, 1st Earl of Middlesex | Don Jail | Allegheny County Jail | The Night Thoreau Spent in Jail | Stolen Lives: Twenty Years In A Desert Jail | South Middlesex Opportunities Council | South Middlesex Correctional Center | Society Hill, Middlesex County, New Jersey | Roger (Archdeacon of Middlesex) | Old Fairfax County Jail | North Middlesex Hospital | Middlesex Yeomanry | Middlesex, Vermont | Middlesex Savings Bank | Middlesex House of Correction (Westminster, London) |
The agency's primary responsibility is oversight of the Middlesex House of Correction in Billerica, Massachusetts and the Middlesex Jail in Cambridge, Massachusetts.