| 201* | RS Bopara | v Leicestershire | Grace Road, Leicester | 2008 | a19030 |
| 198* | GA Gooch | v Sussex | County Ground, Hove | 1982 | a3311 |
| 180 | RN ten Doeschate | v Scotland | The Essex County Ground, Chelmsford | 2013 | a22659 |
| 176 | GA Gooch | v Glamorgan | Southchurch Park, Southend-on-Sea | 1983 | a3756 |
| 171 | GA Gooch | v Nottinghamshire | Trent Bridge, Nottingham | 1985 | a4577 |
| 162* | KS McEwan | v Nottinghamshire | Trent Bridge, Nottingham | 1983 | a3743 |
| 161* | N Hussain | v Glamorgan | County Ground, Chelmsford | 2003 | a15238 |
| 160 | V Chopra | v Somerset | The Cloudfm County Ground, Chelmsford | 2018 | a26434 |
| 158* | RC Irani | v Glamorgan | County Ground, Chelmsford | 2004 | a16124 |
| 156* | KS McEwan | v Warwickshire | Castle Park Cricket Ground, Colchester | 1982 | a3440 |
| 156 | V Chopra | v Gloucestershire | The Cloudfm County Ground, Chelmsford | 2019 | a27371 |
| 144 | GA Gooch | v Hampshire | County Ground, Chelmsford | 1990 | a6637 |
| 144* | N Hussain | v Glamorgan | Sophia Gardens, Cardiff | 2003 | a15206 |
| 144 | ML Pettini | v Surrey | The Brit Oval, Kennington | 2008 | a18988 |
| 142 | JP Stephenson | v Warwickshire | Edgbaston, Birmingham | 1991 | a6991 |
| 138 | GA Gooch | v Warwickshire | County Ground, Chelmsford | 1979 | a2422 |
| 138 | GA Gooch | v Somerset | County Ground, Chelmsford | 1981 | a2936 |
| 137* | DDJ Robinson | v Sussex | County Ground, Hove | 1998 | a11141 |
| 136 | KS McEwan | v Sussex | Central Recreation Ground, Hastings | 1980 | a2755 |
| 136 | GA Gooch | v Nottinghamshire | Southchurch Park, Southend-on-Sea | 1990 | a6676 |
| 136* | N Hussain | v Yorkshire | County Ground, Chelmsford | 2002 | a14300 |
| 134 | T Westley | v Middlesex | Brunton Memorial Ground, Radlett | 2018 | a26402 |
| 133 | KS McEwan | v Nottinghamshire | County Ground, Chelmsford | 1978 | a2124 |
| 133 | GA Gooch | v Combined Universities | County Ground, Chelmsford | 1979 | a2387 |
| 133 | GA Gooch | v Scotland | County Ground, Chelmsford | 1984 | a4103 |
| 133 | AN Cook | v Nottinghamshire | The Cloudfm County Ground, Chelmsford | 2017 | a25669 |
| 132 | WI Jefferson | v Essex Cricket Board | County Ground, Chelmsford | 2003 | a15095 |
| 132* | RC Irani | v Sussex | The Ford County Ground, Chelmsford | 2006 | a17452 |
| 131 | JD Ryder | v Surrey | The Essex County Ground, Chelmsford | 2016 | a24826 |
| 130* | GA Gooch | v Leicestershire | County Ground, Chelmsford | 1994 | a8622 |
| 130 | RS Bopara | v Lancashire | Emirates Old Trafford, Manchester | 2013 | a22803 |
| 129* | KS McEwan | v Worcestershire | Castle Park Cricket Ground, Colchester | 1980 | a2789 |
| 129* | DDJ Robinson | v Sussex | County Ground, Chelmsford | 1998 | a11116 |
| 127 | GA Gooch | v Scotland | County Ground, Chelmsford | 1992 | a7516 |
| 127* | A Flower | v Gloucestershire | The Ford County Ground, Chelmsford | 2005 | a16673 |
| 127 | AN Cook | v Gloucestershire | The Cloudfm County Ground, Chelmsford | 2017 | a25526 |
| 127 | V Chopra | v Middlesex | The Cloudfm County Ground, Chelmsford | 2019 | a27278 |
| 126 | SG Law | v Kent | Southchurch Park, Southend-on-Sea | 1998 | a11296 |
| 126 | WI Jefferson | v Nottinghamshire | Trent Bridge, Nottingham | 2004 | a15912 |
| 126 | ML Pettini | v Warwickshire | The Essex County Ground, Chelmsford | 2015 | a24167 |
| 125* | BEA Edmeades | v Minor Counties East | County Ground, Lakenham | 1976 | a1645 |
| 125* | GA Gooch | v Hampshire | Castle Park Cricket Ground, Colchester | 1984 | a4175 |
| 125 | AN Cook | v Surrey | Whitgift School, Croydon | 2007 | a18252 |
| 125 | RS Bopara | v Kent | The Cloudfm County Ground, Chelmsford | 2018 | a26477 |
| 124 | RC Irani | v Durham | County Ground, Chelmsford | 1996 | a9941 |
| 124 | V Chopra | v Glamorgan | The SSE SWALEC Stadium, Cardiff | 2017 | a25544 |
| 123 | KD Boyce | v Minor Counties South | Goldington Bury, Bedford | 1975 | a1363 |
| 123 | KS McEwan | v Warwickshire | Valentine's Park, Ilford | 1976 | a1634 |
| 123 | SG Law | v Sussex | County Ground, Hove | 1997 | a10565 |
| 122 | GA Gooch | v Lancashire | Old Trafford, Manchester | 1982 | a3339 |
| 122 | GA Gooch | v Kent | County Ground, Chelmsford | 1983 | a3763 |
| 121 | JS Rymell | v Yorkshire | The Cloudfm County Ground, Chelmsford | 2021 | a28526 |
| 120 | GA Gooch | v Surrey | Lord's Cricket Ground, St John's Wood | 1979 | a2492 |
| 120* | GA Gooch | v Kent | St Lawrence Ground, Canterbury | 1988 | a5638 |
| 120 | SG Law | v Sussex | County Ground, Chelmsford | 1996 | a10047 |
| 120* | RS Bopara | v Gloucestershire | The Ford County Ground, Chelmsford | 2012 | a21998 |
| 119 | AW Lilley | v Combined Universities | County Ground, Chelmsford | 1979 | a2387 |
| 119 | KS McEwan | v Leicestershire | Grace Road, Leicester | 1980 | a2739 |
| 119* | BR Hardie | v Sussex | County Ground, Hove | 1986 | a4800 |
| 119 | GA Gooch | v Northamptonshire | County Ground, Northampton | 1992 | a7528 |
| 119 | ML Pettini | v Kent | St Lawrence Ground, Canterbury | 2008 | a18952 |
| 119 | RN ten Doeschate | v Yorkshire | North Marine Road, Scarborough | 2014 | a23479 |
| 118 | KS McEwan | v Warwickshire | Edgbaston, Birmingham | 1985 | a4569 |
| 118 | FIN Khushi | v Northamptonshire | County Ground, Northampton | 2022 | a29339 |
| 117* | GA Gooch | v Warwickshire | County Ground, Chelmsford | 1988 | a5679 |
| 117* | GA Gooch | v Hampshire | County Ground, Southampton | 1995 | a9233 |
| 117 | JER Gallian | v Surrey | The Brit Oval, Kennington | 2008 | a18988 |
| 116 | KS McEwan | v Minor Counties East | County Ground, Lakenham | 1976 | a1645 |
| 116 | GA Gooch | v Nottinghamshire | Trent Bridge, Nottingham | 1983 | a3743 |
| 116 | SG Law | v Somerset | County Ground, Taunton | 1996 | a9858 |
| 116 | GW Flower | v Gloucestershire | The Ford County Ground, Chelmsford | 2010 | a20567 |
| 115* | GA Gooch | v Combined Universities | FP Fenner's Ground, Cambridge | 1995 | a9191 |
| 115* | A Flower | v Pakistanis | County Ground, Chelmsford | 2003 | a15156 |
| 115* | RS Bopara | v Surrey | The Kia Oval, Kennington | 2013 | a22735 |
| 115 | DW Lawrence | v Kent | The Cloudfm County Ground, Chelmsford | 2018 | a26477 |
| 114 | PJ Prichard | v Somerset | County Ground, Chelmsford | 1997 | a10486 |
| 114 | DDJ Robinson | v Ireland | County Ground, Chelmsford | 1998 | a11146 |
| 114 | N Hussain | v Yorkshire | Headingley, Leeds | 1999 | a11993 |
| 113 | BR Hardie | v Combined Universities | County Ground, Chelmsford | 1985 | a4421 |
| 113 | AW Lilley | v Northumberland | Osborne Avenue, Jesmond | 1986 | a4906 |
| 113* | GW Flower | v Yorkshire | The Ford County Ground, Chelmsford | 2010 | a20540 |
| 112* | ME Waugh | v Glamorgan | The Gnoll, Neath | 1989 | a6127 |
| 112* | RS Bopara | v Derbyshire | County Ground, Derby | 2008 | a19079 |
| 111* | GA Gooch | v Leicestershire | County Ground, Chelmsford | 1989 | a6091 |
| 111 | ME Waugh | v Lancashire | Castle Park Cricket Ground, Colchester | 1990 | a6656 |
| 111* | WI Jefferson | v Middlesex | Lord's Cricket Ground, St John's Wood | 2002 | a14435 |
| 111* | JER Gallian | v Middlesex | The Ford County Ground, Chelmsford | 2008 | a18994 |
| 111 | HM Amla | v Sussex | The Ford County Ground, Chelmsford | 2009 | a19849 |
| 111 | ML Pettini | v Worcestershire | County Ground, New Road, Worcester | 2012 | a22069 |
| 111* | T Westley | v Yorkshire | North Marine Road, Scarborough | 2014 | a23479 |
| 111 | V Chopra | v Glamorgan | Sophia Gardens, Cardiff | 2019 | a27267 |
| 110 | BR Hardie | v Nottinghamshire | Lord's Cricket Ground, St John's Wood | 1985 | a4571 |
| 110 | SG Law | v Surrey | Southchurch Park, Southend-on-Sea | 1996 | a9928 |
| 110 | HD Rutherford | v Scotland | The Essex County Ground, Chelmsford | 2013 | a22659 |
| 110 | T Westley | v Hampshire | The Ageas Bowl, Southampton | 2016 | a24740 |
| 110 | AN Cook | v Lancashire | Emirates Old Trafford, Manchester | 2021 | a28522 |
| 109 | KS McEwan | v Middlesex | County Ground, Chelmsford | 1981 | a3110 |
| 109 | BR Hardie | v Northamptonshire | Castle Park Cricket Ground, Colchester | 1986 | a4974 |
| 109 | JP Stephenson | v Lancashire | Castle Park Cricket Ground, Colchester | 1990 | a6656 |
| 109* | RN ten Doeschate | v Derbyshire | Highfield, Leek | 2010 | a20556 |
| 109 | AN Cook | v Sussex | The Cloudfm County Ground, Chelmsford | 2017 | a25558 |
| 109 | FIN Khushi | v Durham | Emirates Riverside, Chester-le-Street | 2021 | a28509 |
| 109 | T Westley | v Kent | The Cloud County Ground, Chelmsford | 2022 | a29357 |
| 108* | BR Hardie | v Yorkshire | County Ground, Chelmsford | 1981 | a3057 |
| 108 | N Hussain | v Cumberland | County Ground, Chelmsford | 1992 | a7613 |
| 108* | SG Law | v Hampshire | County Ground, Southampton | 1996 | a9841 |
| 108* | RC Irani | v Glamorgan | County Ground, Chelmsford | 2001 | a13523 |
| 108 | SG Law | v Lancashire | Old Trafford, Manchester | 2001 | a13548 |
| 108* | JER Gallian | v Derbyshire | County Ground, Derby | 2008 | a19079 |
| 108 | T Westley | v Warwickshire | The Essex County Ground, Chelmsford | 2015 | a24167 |
| 107 | BC Francis | v Lancashire | Old Trafford, Manchester | 1971 | a505 |
| 107 | PJ Prichard | v Scotland | Hamilton Crescent, Glasgow | 1990 | a6508 |
| 107 | GA Gooch | v Somerset | Southchurch Park, Southend-on-Sea | 1991 | a7130 |
| 107 | PJ Prichard | v Nottinghamshire | Trent Bridge, Nottingham | 1993 | a8085 |
| 107 | SG Law | v Hampshire | County Ground, Southampton | 1996 | a9982 |
| 106 | BC Francis | v Lancashire | County Ground, Leyton | 1973 | a1026 |
| 106* | GA Gooch | v Yorkshire | Southchurch Park, Southend-on-Sea | 1989 | a6152 |
| 106 | A Flower | v Nottinghamshire | Trent Bridge, Nottingham | 2004 | a15912 |
| 105* | KS McEwan | v Worcestershire | Valentine's Park, Ilford | 1982 | a3350 |
| 105 | GA Gooch | v Zimbabweans | County Ground, Chelmsford | 1990 | a6554 |
| 105 | JP Stephenson | v Zimbabweans | County Ground, Chelmsford | 1990 | a6554 |
| 105* | ME Waugh | v Kent | County Ground, Chelmsford | 1992 | a7587 |
| 105* | GA Gooch | v Gloucestershire | College Ground, Cheltenham | 1992 | a7677 |
| 105 | N Hussain | v Devon | County Ground, Chelmsford | 1996 | a9915 |
| 104 | KS McEwan | v Warwickshire | Edgbaston, Birmingham | 1977 | a1972 |
| 104* | SG Law | v Middlesex | County Ground, Chelmsford | 2000 | a12818 |
| 104 | AN Cook | v Hampshire | The Ford County Ground, Chelmsford | 2009 | a19933 |
| 104* | AN Cook | v Durham | Riverside Ground, Chester-le-Street | 2009 | a19935 |
| 104 | ML Pettini | v Lancashire | Old Trafford, Manchester | 2011 | a21465 |
| 104 | OA Shah | v Gloucestershire | Castle Park Cricket Ground, Colchester | 2011 | a21480 |
| 104 | FIN Khushi | v Glamorgan | The Cloud County Ground, Chelmsford | 2022 | a29370 |
| 104 | T Westley | v Glamorgan | The Cloud County Ground, Chelmsford | 2022 | a29370 |
| 103* | PJ Prichard | v Lancashire | Old Trafford, Manchester | 1986 | a4921 |
| 103 | ME Waugh | v Nottinghamshire | Castle Park Cricket Ground, Colchester | 1988 | a5784 |
| 103* | GA Gooch | v Scotland | County Ground, Chelmsford | 1990 | a6608 |
| 103* | JP Stephenson | v Worcestershire | County Ground, Chelmsford | 1993 | a8159 |
| 103 | PJ Prichard | v Lancashire | Old Trafford, Manchester | 1997 | a10688 |
| 103 | A Flower | v Leicestershire | Grace Road, Leicester | 2003 | a15249 |
| 103* | ML Pettini | v Middlesex | The Ford County Ground, Chelmsford | 2007 | a18230 |
| 102 | MH Denness | v Warwickshire | Castle Park Cricket Ground, Colchester | 1978 | a2227 |
| 102* | BR Hardie | v Sussex | County Ground, Chelmsford | 1987 | a5319 |
| 102 | GA Gooch | v Nottinghamshire | County Ground, Chelmsford | 1990 | a6483 |
| 102* | JP Stephenson | v Hampshire | County Ground, Chelmsford | 1993 | a8223 |
| 102 | PJ Prichard | v Glamorgan | County Ground, Chelmsford | 1996 | a9950 |
| 102 | WI Jefferson | v Northamptonshire | County Ground, Northampton | 2002 | a14563 |
| 102* | RC Irani | v Lancashire | Old Trafford, Manchester | 2004 | a16004 |
| 102 | V Chopra | v Middlesex | The Ford County Ground, Chelmsford | 2007 | a18230 |
| 102* | ML Pettini | v Worcestershire | County Ground, New Road, Worcester | 2014 | a23429 |
| 102 | RN ten Doeschate | v Sussex | The Cloudfm County Ground, Chelmsford | 2017 | a25558 |
| 102* | RN ten Doeschate | v Nottinghamshire | The Cloudfm County Ground, Chelmsford | 2017 | a25669 |
| 101 | B Ward | v Bedfordshire | County Ground, Chelmsford | 1971 | a482 |
| 101 | GA Gooch | v Hertfordshire | Lucas Lane, Hitchin | 1981 | a3026 |
| 101* | KWR Fletcher | v Sussex | County Ground, Hove | 1982 | a3311 |
| 101 | GA Gooch | v Glamorgan | Southchurch Park, Southend-on-Sea | 1994 | a8723 |
| 101* | RC Irani | v Gloucestershire | College Ground, Cheltenham | 1995 | a9352 |
| 101 | N Hussain | v Middlesex | County Ground, Chelmsford | 1998 | a11162 |
| 101* | RS Bopara | v Somerset | County Ground, Taunton | 2006 | a17437 |
| 101 | RS Bopara | v Ireland | Castle Avenue, Dublin | 2007 | a18225 |
| 101* | V Chopra | v Hampshire | The Ford County Ground, Chelmsford | 2009 | a19933 |
| 101* | ML Pettini | v Yorkshire | Headingley, Leeds | 2009 | a20014 |
| 101* | AN Cook | v Yorkshire | Headingley, Leeds | 2010 | a20761 |
| 101* | RS Bopara | v Lancashire | The Essex County Ground, Chelmsford | 2015 | a24163 |
| 100 | B Taylor | v Derbyshire | The Park, Buxton | 1971 | a494 |
| 100 | GA Gooch | v Yorkshire | County Ground, Chelmsford | 1981 | a3057 |
| 100* | KS McEwan | v Combined Universities | County Ground, Chelmsford | 1985 | a4421 |
| 100 | GA Gooch | v Warwickshire | County Ground, Chelmsford | 1986 | a4801 |
| 100* | GA Gooch | v Hampshire | County Ground, Chelmsford | 1989 | a6005 |
| 100 | ME Waugh | v Northamptonshire | County Ground, Northampton | 1992 | a7528 |
| 100 | GA Gooch | v British Universities | County Ground, Chelmsford | 1996 | a9815 |
| 100 | SG Law | v Durham | County Ground, Chelmsford | 1996 | a9941 |
| 100 | SG Law | v Worcestershire | County Ground, Chelmsford | 1997 | a10603 |
| 100 | A Flower | v Kent | St Lawrence Ground, Canterbury | 2003 | a15231 |
| 100 | RC Irani | v Sussex | County Ground, Hove | 2006 | a17567 |
| 100 | JD Ryder | v Sussex | The 1st Central County Ground, Hove | 2016 | a24752 |
| 100 | T Westley | v Somerset | The Cooper Associates County Ground, Taunton | 2017 | a25580 |
