| 268 | AD Brown | for Surrey | The AMP Oval, Kennington | 2002 | a14362 |
| 178 | JM Vince | for Hampshire | The Ageas Bowl, Southampton | 2017 | a25570 |
| 177 | CG Greenidge | for Hampshire | County Ground, Southampton | 1975 | a1477 |
| 176 | GA Gooch | for Essex | Southchurch Park, Southend-on-Sea | 1983 | a3756 |
| 161* | N Hussain | for Essex | County Ground, Chelmsford | 2003 | a15238 |
| 159 | JC Hildreth | for Somerset | The Cooper Associates County Ground, Taunton | 2018 | a26415 |
| 158* | RC Irani | for Essex | County Ground, Chelmsford | 2004 | a16124 |
| 158 | CC Benham | for Hampshire | The Rose Bowl, Southampton | 2006 | a17627 |
| 156* | DJ Malan | for Middlesex | Lord's Cricket Ground, St John's Wood | 2015 | a24221 |
| 155* | RA Smith | for Hampshire | County Ground, Southampton | 1989 | a6022 |
| 151* | CDJ Dent | for Gloucestershire | The SWALEC Stadium, Cardiff | 2013 | a22629 |
| 150* | JL Denly | for Kent | Spitfire Ground, St Lawrence, Canterbury | 2018 | a26435 |
| 148 | GD Rose | for Somerset | The Gnoll, Neath | 1990 | a6657 |
| 147 | GA Khan | for British Universities | FP Fenner's Ground, Cambridge | 1996 | a9803 |
| 147 | PD Trego | for Somerset | County Ground, Taunton | 2010 | a20758 |
| 147 | DI Stevens | for Kent | St Helen's, Swansea | 2017 | a25576 |
| 145 | PW Denning | for Somerset | Sophia Gardens, Cardiff | 1978 | a2237 |
| 144* | N Hussain | for Essex | Sophia Gardens, Cardiff | 2003 | a15206 |
| 144 | J du Toit | for Leicestershire | Penrhyn Avenue, Rhos-on-Sea, Colwyn Bay | 2008 | a19099 |
| 144* | J Allenby | for Somerset | The SSE SWALEC Stadium, Cardiff | 2017 | a25533 |
| 142 | CL Smith | for Hampshire | County Ground, Southampton | 1991 | a7002 |
| 141* | MD Moxon | for Yorkshire | Sophia Gardens, Cardiff | 1991 | a7020 |
| 141 | MJ Prior | for Sussex | County Ground, Hove | 2006 | a17575 |
| 136* | SJ Cook | for Somerset | The Gnoll, Neath | 1990 | a6657 |
| 135* | NJ Dexter | for Kent | Sophia Gardens, Cardiff | 2006 | a17477 |
| 135 | DS Smith | for West Indies A | Eugene Cross Park, Ebbw Vale | 2006 | a17556 |
| 133* | CT Radley | for Middlesex | Lord's Cricket Ground, St John's Wood | 1969 | a260 |
| 132 | JJ Whitaker | for Leicestershire | St Helen's, Swansea | 1984 | a4093 |
| 130* | TP Alsop | for Hampshire | The Ageas Bowl, Southampton | 2019 | a27279 |
| 129* | GM Turner | for Worcestershire | County Ground, New Road, Worcester | 1973 | a1062 |
| 129 | BA Richards | for Hampshire | County Ground, Southampton | 1975 | a1477 |
| 127 | LJ Wright | for Sussex | The Brighton and Hove Jobs County Ground, Hove | 2014 | a23502 |
| 126* | IT Botham | for Somerset | County Ground, Taunton | 1986 | a4829 |
| 124 | V Chopra | for Essex | The SSE SWALEC Stadium, Cardiff | 2017 | a25544 |
| 123 | BA Richards | for Hampshire | May's Bounty, Basingstoke | 1974 | a1280 |
| 123 | TM Moody | for Worcestershire | Sophia Gardens, Cardiff | 1996 | a9916 |
| 122 | RA Smith | for Hampshire | Dean Park, Bournemouth | 1990 | a6592 |
| 122 | ET Smith | for Kent | Mote Park, Maidstone | 2003 | a15192 |
| 121 | DJ Capel | for Northamptonshire | County Ground, Northampton | 1990 | a6585 |
| 121 | ME Trescothick | for Somerset | County Ground, Taunton | 2001 | a13597 |
| 121 | CWG Bassano | for Derbyshire | Sophia Gardens, Cardiff | 2003 | a15134 |
| 121 | NRD Compton | for Middlesex | The SWALEC Stadium, Cardiff | 2009 | a19895 |
| 121 | MM Ali | for Worcestershire | County Ground, New Road, Worcester | 2010 | a20723 |
| 120* | CEB Rice | for Nottinghamshire | St Helen's, Swansea | 1978 | a2263 |
| 119 | GD Mendis | for Sussex | County Ground, Hove | 1980 | a2742 |
| 119 | AJ Stewart | for Surrey | The Foster's Oval, Kennington | 1989 | a6175 |
| 119 | RF Pienaar | for Kent | St Lawrence Ground, Canterbury | 1989 | a6189 |
| 119* | PN Weekes | for Middlesex | Lord's Cricket Ground, St John's Wood | 1996 | a9888 |
| 119 | RA Smith | for Hampshire | County Ground, Southampton | 1997 | a10604 |
| 119 | Babar Azam | for Pakistan A | Spytty Park, Newport | 2016 | a24818 |
| 118 | MR Benson | for Kent | St Helen's, Swansea | 1990 | a6541 |
| 118 | NV Knight | for Warwickshire | Edgbaston, Birmingham | 2000 | a12871 |
| 117 | CM Wells | for Sussex | St Helen's, Swansea | 1989 | a6039 |
| 117 | JJ Whitaker | for Leicestershire | Grace Road, Leicester | 1993 | a8179 |
| 116 | RT Robinson | for Nottinghamshire | Sophia Gardens, Cardiff | 1991 | a7007 |
| 116 | GD Lloyd | for Lancashire | St Helen's, Swansea | 1996 | a9976 |
| 116 | ARI Umeed | for Somerset | The Cooper Associates County Ground, Taunton | 2023 | a30162 |
| 115 | RJ Hamilton-Brown | for Surrey | The Brit Oval, Kennington | 2010 | a20690 |
| 114 | SJ Cook | for Somerset | County Ground, Taunton | 1989 | a6148 |
| 114* | MEK Hussey | for Northamptonshire | Sophia Gardens, Cardiff | 2001 | a13463 |
| 114* | N Pothas | for Hampshire | Sophia Gardens, Cardiff | 2005 | a16630 |
| 113 | DL Amiss | for Warwickshire | St Helen's, Swansea | 1966 | a69 |
| 113 | AD Brown | for Surrey | Stradey Park, Llanelli | 1992 | a7635 |
| 113 | ME Trescothick | for Somerset | Sophia Gardens, Cardiff | 2001 | a13403 |
| 112* | ME Waugh | for Essex | The Gnoll, Neath | 1989 | a6127 |
| 112* | MD Stoneman | for Durham | Emirates Durham International Cricket Ground, Chester-le-Street | 2012 | a22083 |
| 111* | PJ Sharpe | for Derbyshire | Queen's Park, Chesterfield | 1976 | a1613 |
| 111 | AJ Hollioake | for Surrey | The Foster's Oval, Kennington | 2000 | a12854 |
| 111 | NV Knight | for Warwickshire | Edgbaston, Birmingham | 2004 | a15922 |
| 111 | V Chopra | for Essex | Sophia Gardens, Cardiff | 2019 | a27267 |
| 110 | CJ Tavaré | for Kent | St Lawrence Ground, Canterbury | 1980 | a2763 |
| 110 | PA Jaques | for Worcestershire | The SWALEC Stadium, Cardiff | 2010 | a20568 |
| 110 | DI Stevens | for Kent | The SSE SWALEC Stadium, Cardiff | 2015 | a24166 |
| 110 | BB McCullum | for Middlesex | The SSE SWALEC Stadium, Cardiff | 2016 | a24779 |
| 110 | LJ Evans | for Sussex | The 1st Central County Ground, Hove | 2019 | a27374 |
| 109* | H Pilling | for Lancashire | Old Trafford, Manchester | 1973 | a948 |
| 109 | J Whitehouse | for Warwickshire | Edgbaston, Birmingham | 1976 | a1722 |
| 109 | JD Glendenen | for Durham | Feethams Cricket Ground, Darlington | 1991 | a7089 |
| 109 | KR Brown | for Middlesex | Sophia Gardens, Cardiff | 1998 | a11169 |
| 109* | CL White | for Somerset | St Helen's, Swansea | 2006 | a17469 |
| 109 | JDM Evison | for Kent | Sophia Gardens, Cardiff | 2022 | a29319 |
| 109* | OJ Price | for Gloucestershire | Sophia Gardens, Cardiff | 2023 | a30147 |
| 108 | Sadiq Mohammad | for Gloucestershire | St Helen's, Swansea | 1972 | a640 |
| 108 | CG Greenidge | for Hampshire | St Helen's, Swansea | 1983 | a3764 |
| 108 | CH Lloyd | for Lancashire | Old Trafford, Manchester | 1985 | a4515 |
| 108 | BC Broad | for Nottinghamshire | Sophia Gardens, Cardiff | 1991 | a7016 |
| 108* | RC Irani | for Essex | County Ground, Chelmsford | 2001 | a13523 |
| 107 | PA Todd | for Minor Counties | Christ Church Ground, Oxford | 1987 | a5231 |
| 107* | RT Robinson | for Nottinghamshire | Trent Bridge, Nottingham | 1990 | a6686 |
| 107* | NV Knight | for Warwickshire | Edgbaston, Birmingham | 2001 | a13448 |
| 107 | JWM Dalrymple | for Middlesex | Lord's Cricket Ground, St John's Wood | 2004 | a15911 |
| 107* | RWT Key | for Kent | Sophia Gardens, Cardiff | 2007 | a18375 |
| 107 | P Mustard | for Durham | Emirates Durham International Cricket Ground, Chester-le-Street | 2012 | a22083 |
| 106 | P Willey | for Leicestershire | St Helen's, Swansea | 1984 | a4093 |
| 106* | AP Wells | for Sussex | County Ground, Hove | 1993 | a8174 |
| 106* | SW Billings | for Kent | Spitfire Ground, St Lawrence, Canterbury | 2016 | a24773 |
| 106 | RS Vasconcelos | for Northamptonshire | Sophia Gardens, Cardiff | 2023 | a30169 |
| 105 | TE Jesty | for Hampshire | St Helen's, Swansea | 1977 | a1949 |
| 105 | DS Lehmann | for Yorkshire | Sophia Gardens, Cardiff | 1997 | a10641 |
| 104 | BA Richards | for Hampshire | County Ground, Southampton | 1970 | a416 |
| 104* | G Boycott | for Yorkshire | Penrhyn Avenue, Rhos-on-Sea, Colwyn Bay | 1973 | a877 |
| 104 | BD Julien | for West Indians | St Helen's, Swansea | 1973 | a980 |
| 104 | RA Smith | for Hampshire | Sophia Gardens, Cardiff | 1984 | a4167 |
| 104 | TR Ward | for Leicestershire | Sophia Gardens, Cardiff | 2003 | a15289 |
| 104 | SC Moore | for Worcestershire | County Ground, New Road, Worcester | 2005 | a16751 |
| 104* | JL Denly | for Kent | Spitfire Ground, St Lawrence, Canterbury | 2016 | a24773 |
| 104 | RS Vasconcelos | for Northamptonshire | County Ground, Northampton | 2022 | a29364 |
| 104 | FIN Khushi | for Essex | The Cloud County Ground, Chelmsford | 2022 | a29370 |
| 104 | T Westley | for Essex | The Cloud County Ground, Chelmsford | 2022 | a29370 |
| 103 | Zaheer Abbas | for Gloucestershire | St Helen's, Swansea | 1980 | a2781 |
| 103* | CJ Tavaré | for Kent | St Lawrence Ground, Canterbury | 1982 | a3285 |
| 103 | RA Smith | for Hampshire | County Ground, Southampton | 1998 | a11221 |
| 103* | AC Voges | for Nottinghamshire | St Helen's, Swansea | 2011 | a21442 |
| 102 | PN Kirsten | for Derbyshire | St Helen's, Swansea | 1979 | a2532 |
| 102 | AM Green | for Sussex | County Ground, Hove | 1986 | a4932 |
| 102 | TS Curtis | for Worcestershire | County Ground, New Road, Worcester | 1986 | a4987 |
| 102* | NH Fairbrother | for Lancashire | Old Trafford, Manchester | 1987 | a5216 |
| 102 | PJ Prichard | for Essex | County Ground, Chelmsford | 1996 | a9950 |
| 102* | AG Prince | for Lancashire | Old Trafford, Manchester | 2010 | a20553 |
| 102 | RM Yates | for Warwickshire | The Gnoll, Neath | 2023 | a30124 |
| 101 | JG Wright | for Derbyshire | Sophia Gardens, Cardiff | 1979 | a2423 |
| 101* | DM Ward | for Surrey | St Helen's, Swansea | 1992 | a7614 |
| 101 | GA Gooch | for Essex | Southchurch Park, Southend-on-Sea | 1994 | a8723 |
| 101 | MR Ramprakash | for Surrey | Whitgift School, Croydon | 2003 | a15258 |
| 101 | RA White | for Northamptonshire | County Ground, Northampton | 2004 | a15986 |
| 101* | Azhar Mahmood | for Surrey | The Brit Oval, Kennington | 2006 | a17464 |
| 101 | K Ali | for Gloucestershire | Penrhyn Avenue, Rhos-on-Sea, Colwyn Bay | 2007 | a18261 |
| 100 | DR Shepherd | for Gloucestershire | Sophia Gardens, Cardiff | 1978 | a2191 |
| 100* | NH Fairbrother | for Lancashire | Stanley Park, Blackpool | 1989 | a6092 |
| 100* | KJ Barnett | for Derbyshire | Town Ground, Heanor | 1989 | a6151 |
| 100* | JE Morris | for Derbyshire | Town Ground, Heanor | 1989 | a6151 |
| 100 | AJ Bichel | for Worcestershire | Sophia Gardens, Cardiff | 2001 | a13417 |
| 100* | CJ Adams | for Sussex | County Ground, Hove | 2001 | a13699 |
| 100* | EC Joyce | for Middlesex | Lord's Cricket Ground, St John's Wood | 2004 | a15911 |
| 100 | AJ Hall | for Kent | Sophia Gardens, Cardiff | 2006 | a17477 |
| 100 | PD Trego | for Somerset | County Ground, Taunton | 2011 | a21349 |
| 100* | LA Dawson | for Hampshire | St Helen's, Swansea | 2016 | a24848 |
| 100 | RI Keogh | for Northamptonshire | Sophia Gardens, Cardiff | 2023 | a30169 |
