| 204-6 | Berkshire v Middlesex | Lord's Cricket Ground, St John's Wood | 1990 | a6615 |
| 168-7 | Buckinghamshire v Middlesex | Lord's Cricket Ground, St John's Wood | 1975 | a1448 |
| 172 | Cambridgeshire v Middlesex | Harecroft Road, Wisbech | 1983 | a3725 |
| 104 | Cheshire v Middlesex | Lincoln Road, Enfield | 1982 | a3368 |
| 200 | Cornwall v Middlesex | Wheal Eliza, Bethel, St Austell | 1995 | a9296 |
| 168 | Cumberland v Middlesex | Edenside, Carlisle | 1996 | a9913 |
| 270-6 | Derbyshire v Middlesex | County Ground, Derby | 1996 | a9903 |
| 288-8 | Durham v Middlesex | Brunton Memorial Ground, Radlett | 2021 | a28474 |
| 328 | Essex v Middlesex | The Cloudfm County Ground, Chelmsford | 2019 | a27278 |
| 302-9 | Glamorgan v Middlesex | Sophia Gardens, Cardiff | 2018 | a26424 |
| 335-6 | Gloucestershire v Middlesex | John Walker's Ground, Southgate | 2005 | a16748 |
| 353-8 | Hampshire v Middlesex | Lord's Cricket Ground, St John's Wood | 2005 | a16626 |
| 279-7 | Herefordshire v Middlesex | Mortimer Park, Kingsland | 2001 | a13568 |
| 142-7 | Hertfordshire v Middlesex | Lord's Cricket Ground, St John's Wood | 1988 | a5720 |
| 281-4 | Ireland v Middlesex | Castle Avenue, Dublin | 1997 | a10447 |
| 347 | Kent v Middlesex | Spitfire Ground, St Lawrence, Canterbury | 2019 | a27372 |
| 304-4 | Lancashire v Middlesex | Lord's Cricket Ground, St John's Wood | 2019 | a27376 |
| 359-8 | Leicestershire v Middlesex | Brunton Memorial Ground, Radlett | 2022 | a29320 |
| 285-6 | Netherlands v Middlesex | Lord's Cricket Ground, St John's Wood | 2011 | a21340 |
| 117 | Norfolk v Middlesex | Lord's Cricket Ground, St John's Wood | 1970 | a294 |
| 286-7 | Northamptonshire v Middlesex | Lord's Cricket Ground, St John's Wood | 2002 | a14451 |
| 206-8 | Northumberland v Middlesex | Osborne Avenue, Jesmond | 2005 | a16604 |
| 368-2 | Nottinghamshire v Middlesex | Lord's Cricket Ground, St John's Wood | 2014 | a23493 |
| 218-5 | Scotland v Middlesex | Raeburn Place, Edinburgh | 2004 | a15892 |
| 149 | Shropshire v Middlesex | St Georges Recreation Ground, Telford | 1992 | a7623 |
| 335-6 | Somerset v Middlesex | The Cooper Associates County Ground, Taunton | 2022 | a29376 |
| 307-4 | Surrey v Middlesex | The Foster's Oval, Kennington | 1992 | a7509 |
| 400-4 | Sussex v Middlesex | The 1st Central County Ground, Hove | 2022 | a29417 |
| 104 | Wales Minor Counties v Middlesex | Smithy Lane, Northop Hall | 1994 | a8690 |
| 286-6 | Warwickshire v Middlesex | Lord's Cricket Ground, St John's Wood | 1997 | a10643 |
| 335-4 | West Indies v Middlesex | Lord's Cricket Ground, St John's Wood | 2012 | a22014 |
| 289-7 | Worcestershire v Middlesex | County Ground, New Road, Worcester | 2021 | a28492 |
| 275-4 | Yorkshire v Middlesex | Lord's Cricket Ground, St John's Wood | 2011 | a21453 |
| 237-4 | Zimbabwe v Middlesex | Salisbury Sports Club, Salisbury | 1980/81 | a2818 |
| 283-6 | Australians v Middlesex | Lord's Cricket Ground, St John's Wood | 2018 | a26486 |
| 301-7 | Bangladeshis v Middlesex | Lord's Cricket Ground, St John's Wood | 2010 | a20649 |
| 184 | British Universities v Middlesex | FP Fenner's Ground, Cambridge | 1996 | a9849 |
| 209-8 | Combined Universities v Middlesex | Lord's Cricket Ground, St John's Wood | 1986 | a4836 |
| 232-8 | Indians v Middlesex | Lord's Cricket Ground, St John's Wood | 1996 | a9861 |
| 189-6 | Minor Counties v Middlesex | Lord's Cricket Ground, St John's Wood | 1990 | a6488 |
| 196 | Minor Counties East v Middlesex | Lord's Cricket Ground, St John's Wood | 1976 | a1661 |
| 143 | Minor Counties North v Middlesex | Lord's Cricket Ground, St John's Wood | 1979 | a2363 |
| 168 | Minor Counties South v Middlesex | Shardeloes, Amersham | 1975 | a1390 |
| 200 | New Zealanders v Middlesex | John Walker's Ground, Southgate | 1999 | a12073 |
| 211 | Sri Lankans v Middlesex | Woodside, Watford | 1981 | a3006 |
| 208-7 | Unicorns v Middlesex | Lord's Cricket Ground, St John's Wood | 2013 | a22752 |
| 125-1 | West Indians v Middlesex | Lord's Cricket Ground, St John's Wood | 1980 | a2657 |
