| 1 | Ibstock PLC | Unitedkingdom | Ibstock | Leicester Road | Leicestershire | LE67 6HS | ibstock.***** | 2015 | $464,234,022 | 1,849 | N/A | N/A | N/A |
| 2 | Forterra Building Products LIMITED | Unitedkingdom | Grange Park | Grange Park Court | Northamptonshire | NN4 5EA | forterra.***** | 2014 | $436,462,913 | 1,472 | N/A | N/A | N/A |
| 3 | Wienerberger LIMITED | Unitedkingdom | Cheadle | Wienerberger House | Manchester, Greater Manchester | SK8 3SA | wienerberger.***** | 1944 | $389,692,917 | 1,350 | N/A | N/A | N/A |
| 4 | Ibstock Brick LIMITED | Unitedkingdom | Ibstock | Leicester Road | Leicestershire | LE67 6HS | ibstock.***** | 1899 | $308,821,280 | 1,315 | N/A | N/A | N/A |
| 5 | Ibstock Manufacturing Services LIMITED | Unitedkingdom | Ibstock | Leicester Road | Leicestershire | LE67 6HS | ibstock.***** | 2019 | $150,473,337 | 2 | N/A | N/A | N/A |
| 6 | Fireplace World Huddersfield | Unitedkingdom | Huddersfield | St Thomas'S Road | Kirklees, West Yorkshire | HD1 3LF | corbyofwindsor.***** | 2003 | $89,774,050 | 500 | N/A | N/A | N/A |
| 7 | Michelmersh Brick Holdings PLC | Unitedkingdom | Danehill | Freshfield Lane | East Sussex | RH17 7HH | mbhplc.***** | 1997 | $88,873,382 | 437 | N/A | N/A | N/A |
| 8 | Michelmersh Brick UK LIMITED | Unitedkingdom | Danehill | Freshfield Lane | East Sussex | RH17 7HH | mbhplc.***** | 1935 | $71,137,243 | 318 | N/A | N/A | N/A |
| 9 | Hanson Packed Products LIMITED | Unitedkingdom | Maidenhead | Arena Court | Windsor and Maidenhead | SL6 8QZ | hanson.***** | 1888 | $57,543,889 | 251 | N/A | N/A | N/A |
| 10 | Imperial Bricks LTD | Unitedkingdom | Bridgnorth | The Crowgreaves | Shropshire | WV15 5LT | imperialhandmadebricks.***** | 2010 | $36,031,998 | 65 | N/A | N/A | N/A |
| 11 | Pd Edenhall LIMITED | Unitedkingdom | Risca | Dan-Y-graig Road | Caerphilly | NP11 6DP | edenhall.***** | 1998 | $33,574,801 | 175 | N/A | N/A | N/A |
| 12 | Wavin | Unitedkingdom | Swadlincote | Forest Works | Derbyshire | DE11 8BQ | wavin.***** | 2011 | $14,492,378 | 76 | N/A | N/A | N/A |
| 13 | Freshfield Lane Brickworks LIMITED | Unitedkingdom | Danehill | Freshfield Lane | East Sussex | RH17 7HH | mbhplc.***** | 1964 | $14,389,201 | 75 | N/A | N/A | N/A |
| 14 | Mahon And Mcphillips (stratford) LIMITED | Unitedkingdom | Holford | Holford Way | Birmingham, West Midlands | B6 7AX | N/A | 1977 | $14,197,344 | 74 | N/A | N/A | N/A |
| 15 | Cloane Fireplaces | Unitedkingdom | Magherafelt | 4 Cloane Road | Mid Ulster | BT45 7LW | cloaneconstruction.***** | 1989 | $12,278,785 | 64 | N/A | N/A | N/A |
| 16 | Iko LIMITED | Unitedkingdom | White House | 14 Sanda Road | Antrim and Newtownabbey | BT37 9UB | ikogroup.***** | 2014 | $11,976,699 | 28 | N/A | N/A | N/A |
| 17 | Carlton Main Brickworks LIMITED | Unitedkingdom | Grimethorpe | Clayburn Road | Barnsley, South Yorkshire | S72 7BE | michelmersh.***** | 1950 | $11,703,216 | 61 | N/A | N/A | N/A |
| 18 | HP&D Holdco LIMITED | Unitedkingdom | Brierley Hill | Dreadnought Works Pensnett | Dudley, West Midlands | DY5 4TH | N/A | 2019 | $11,524,715 | 69 | N/A | N/A | N/A |
| 19 | Raeburn Brick LIMITED | Unitedkingdom | Carmichael | East Avenue | South Lanarkshire | G72 0JB | raeburnbrick.***** | 1984 | $9,818,200 | 42 | N/A | N/A | N/A |
| 20 | Wienerberger | Unitedkingdom | Dukinfield | Windmill Lane | Manchester, Greater Manchester | M34 2JF | wienerberger.***** | 2003 | $9,695,202 | 50 | N/A | N/A | N/A |
| 21 | Corus Panels And Profiles | Unitedkingdom | Tewkesbury | Severn Drive | Gloucestershire | GL20 8TX | N/A | 2009 | $8,977,404 | 50 | N/A | N/A | N/A |
| 22 | Manchester Brick Specialists LIMITED | Unitedkingdom | Bradley Fold | 34 Bury New Road | Manchester, Greater Manchester | M25 0LD | matching-brick-company.***** | 2013 | $7,917,290 | 19 | N/A | N/A | N/A |
| 23 | Kevington Building Products LIMITED | Unitedkingdom | Worth Abbey | Unit 52 | West Sussex | RH10 4NQ | kevington.***** | 1987 | $7,900,419 | 200 | N/A | N/A | N/A |
| 24 | The York Handmade Brick CO. LIMITED | Unitedkingdom | Farlington | Forest Lane | North Yorkshire | YO61 1TU | yorkhandmade.***** | 1998 | $7,476,457 | 25 | N/A | N/A | N/A |
| 25 | Northcot Brick LIMITED | Unitedkingdom | Moreton-in-marsh | Station Road | Gloucestershire | GL56 9LH | northcotbrick.***** | 1925 | $6,509,141 | 60 | N/A | N/A | N/A |
| 26 | Wienergeber | Unitedkingdom | Sittingbourne | Smeed Dean Works | Kent | ME10 3TN | wienerberger.***** | 2014 | $6,284,182 | 35 | N/A | N/A | N/A |
| 27 | Jsj Leisure | Unitedkingdom | Godalming | John Stanley Jeffries Swimmi Summers Road | Surrey | GU7 3BH | placesleisure.***** | 1974 | $6,221,872 | 34 | N/A | N/A | N/A |
| 28 | Furness Brick & Tile Company Limited(the) | Unitedkingdom | Askam in Furness | Askam Brickworks | Cumbria | LA16 7HF | furnessbrick.***** | 1898 | $6,166,159 | 40 | N/A | N/A | N/A |
| 29 | Ibstock | Unitedkingdom | Ibstock | Leicester Road | Leicestershire | LE67 6HS | ibstock.***** | 2016 | $6,139,392 | 32 | N/A | N/A | N/A |
| 30 | Phoenix Building Products | Unitedkingdom | Kipping'S Cross | Unit 20-21 | Kent | TN22 3HQ | phoenixbp.***** | 2005 | $5,784,697 | 30 | N/A | N/A | N/A |
| 31 | Ketley Brick Company,limited(the) | Unitedkingdom | Brierley Hill | Dreadnought Works | Dudley, West Midlands | DY5 4TH | dreadnought-tiles.***** | 1961 | $5,264,461 | 8 | N/A | N/A | N/A |
| 32 | Ibstock Kevington | Unitedkingdom | Stowmarket | Unit 24 Tomo Industrial Estate Tomo Road | Suffolk | IP14 5AY | ibstock.***** | 2002 | $4,195,162 | 22 | N/A | N/A | N/A |
| 33 | Pd Bricks | Unitedkingdom | Shepton Mallet | Merehead Quarry | Somerset | BA4 4SQ | pd-edenhall.***** | 1973 | $4,129,606 | 23 | N/A | N/A | N/A |
| 34 | Sussex Hand Made Brick LIMITED | Unitedkingdom | Fairlight | Fourteen Acre Lane | East Sussex | TN35 4NB | sussexhandmadebrick.***** | 2006 | $3,821,530 | 15 | N/A | N/A | N/A |
| 35 | W.T. Lamb & Sons LIMITED | Unitedkingdom | Broadfield North | Nyewood Court | West Sussex | RH14 9RZ | lambsbricks.***** | 1983 | $3,726,491 | 15 | N/A | N/A | N/A |
| 36 | Fireside | Unitedkingdom | Shripney | Fairlands | West Sussex | PO22 9BJ | plumbase.***** | 2005 | $3,432,404 | 18 | N/A | N/A | N/A |
| 37 | Fireplace Megastore | Unitedkingdom | Garden City | Expressway Business Park | Flintshire | CH5 2TF | fireplacemegastore.***** | 2008 | $3,411,413 | 19 | N/A | N/A | N/A |
| 38 | North East Conservatory Solutions LTD | Unitedkingdom | Blaydon | Unit 16, Blaydon Trade Park | Gateshead, Tyne and Wear | NE21 5TR | conservatoryroofsuk.***** | 2014 | $3,392,707 | 27 | N/A | N/A | N/A |
| 39 | Oil - Dri (U.K.) LIMITED | Unitedkingdom | Wisbech | Bannisters Row | Cambridgeshire | PE13 3HZ | oil-dri.***** | 1975 | $3,309,559 | 5 | N/A | N/A | N/A |
| 40 | Bulmer Brick And Tile Company Limited(the) | Unitedkingdom | Henny Street | The Brickfields | Essex | CO10 7EF | bulmerbrickandtile.***** | 1936 | $3,183,234 | 30 | N/A | N/A | N/A |
| 41 | Phoenix Building Products LTD | Unitedkingdom | Croydon | Addington Business Centre | London | CR0 9UG | phoenixbp.***** | 2009 | $3,124,422 | 34 | N/A | N/A | N/A |
| 42 | Premium Cutting Services LIMITED | Unitedkingdom | Parklands | Units 1 & 2 Scotia Industrial Estate | Stoke-on-trent | ST6 4HG | N/A | 2013 | $3,119,204 | 26 | N/A | N/A | N/A |
| 43 | Chris Robinson Fireplaces | Unitedkingdom | Rawtenstall | 1 Langwood Avenue | Lancashire | BB4 5PQ | chrisrobinsonfireplaces.***** | 1999 | $2,877,840 | 15 | N/A | N/A | N/A |
| 44 | 1st Choice Fireplaces | Unitedkingdom | Red Hill | 36 Homeside Road | Bournemouth | BH9 3EJ | checkatrade.***** | 2014 | $2,877,840 | 15 | N/A | N/A | N/A |
| 45 | Anglian Remedial Solutions | Unitedkingdom | Swaffham | 15 Providence Terrace | Norfolk | PE37 7LZ | woodburningstoves-norfolk.***** | 2014 | $2,844,518 | 15 | N/A | N/A | N/A |
| 46 | Kenoteq LTD | Unitedkingdom | Gorgie | Citypoint 65 Haymarket Terrace | City of Edinburgh | EH12 5HD | N/A | 2019 | $2,572,324 | 9 | N/A | N/A | N/A |
| 47 | Stonebridge Fireplaces | Unitedkingdom | Ilkeston | Stonebridge Fireplacesbelfield Street | Derbyshire | DE7 8DU | stonebridgedirect.***** | 2000 | $2,513,672 | 14 | N/A | N/A | N/A |
| 48 | Firecraft Manufacturing | Unitedkingdom | Syston | 1159 Melton Road | Leicestershire | LE7 2JS | firecraft.***** | 1980 | $2,378,951 | 13 | N/A | N/A | N/A |
| 49 | Lound Hive LIMITED | Unitedkingdom | Romsey | Woodington House | Hampshire | SO51 6DQ | N/A | 2020 | $2,295,588 | 1 | N/A | N/A | N/A |
| 50 | Leeds Marble Centre | Unitedkingdom | Tyersal | Unit 40-41, Alma Works | Bradford, West Yorkshire | BD4 8RY | pudseymarble.***** | 2008 | $2,288,269 | 12 | N/A | N/A | N/A |
| 51 | Rekers (U.K.) LIMITED | Unitedkingdom | Tamworth | Unit 23 Lichfield Trading Estate Lagrange | Staffordshire | B79 7XD | rekers.***** | 1985 | $2,155,006 | 2 | N/A | N/A | N/A |
| 52 | Robert Robinson & Son | Unitedkingdom | Londonderry Derry | Alla Sandpit | Derry and Strabane | BT47 4JA | N/A | 1947 | $2,110,416 | 11 | N/A | N/A | N/A |
| 53 | Cleeg, Bob | Unitedkingdom | Larches | 374 Blackpool Road | Lancashire | PR2 2DS | N/A | 1997 | $1,975,029 | 11 | N/A | N/A | N/A |
| 54 | Toast | Unitedkingdom | Barton Stacey | Fitzhead | Hampshire | SO21 3RQ | toast-fireplaces.***** | 1996 | $1,918,559 | 10 | N/A | N/A | N/A |
| 55 | Colinwell Concrete LIMITED | Unitedkingdom | Holywood | 14 Tarawood | County Down | BT18 0HS | colinwell.***** | 1962 | $1,774,617 | 16 | N/A | N/A | N/A |
| 56 | Deks Industries | Unitedkingdom | Portishead | Unit 14 Garanor Way | North Somerset | BS20 7XE | dektite.***** | 2003 | $1,716,203 | 9 | N/A | N/A | N/A |
| 57 | Dan Construction Mihai LTD | Unitedkingdom | Cardiff | C/o 14482154 - Companies House Default Address | Cardiff | CF14 8LH | N/A | 2022 | $1,669,902 | 35 | N/A | N/A | N/A |
| 58 | Magilligan Field Centre | Unitedkingdom | Limavady | 375 Seacoast Road | Causeway Coast and Glens | BT49 0LF | sites.***** | 1977 | $1,525,513 | 8 | N/A | N/A | N/A |
| 59 | Fireplaces Of Yesteryear | Unitedkingdom | Wetherby | 3 Crossley Street | Leeds, West Yorkshire | LS22 6RT | N/A | 1980 | $1,525,513 | 8 | N/A | N/A | N/A |
| 60 | Nepean Timber & Marble Importers | Unitedkingdom | Whitcliffe | Unit 22 George Street Mills | Kirklees, West Yorkshire | HD3 4JD | N/A | 1991 | $1,436,384 | 8 | N/A | N/A | N/A |
| 61 | P D Bricks Chester Works | Unitedkingdom | Larkton | River Lane | Cheshire West and Chester | CH4 8RH | pd-edenhall.***** | 2011 | $1,417,510 | 8 | N/A | N/A | N/A |
| 62 | Apex Brickcutters LIMITED | Unitedkingdom | Liphook | 1 Iron Hill | Hampshire | GU30 7LP | apexbrickcutters.***** | 1989 | $1,382,985 | 15 | N/A | N/A | N/A |
| 63 | Fresh Out The Gulag LIMITED | Unitedkingdom | Cardiff | C/o 13070396 - Companies House Default Address | Cardiff | CF14 8LH | N/A | 2020 | $1,342,992 | 7 | N/A | N/A | N/A |
| 64 | Premier Brick Slips LTD | Unitedkingdom | Newcastle Upon Tyne | Unit 8 Abercorn House | Newcastle Upon Tyne, Tyne and Wear | NE16 6EA | N/A | 2016 | $1,342,992 | 7 | N/A | N/A | N/A |
| 65 | Dog Lane Blockworks LIMITED | Unitedkingdom | Horsford | Dog Lane | Norfolk | NR10 3DH | N/A | 1969 | $1,266,981 | 4 | N/A | N/A | N/A |
| 66 | Phoenix Equity Partners Iv 'b' L.P. | Unitedkingdom | Marylebone | 5th Floor | London | W1B 5DG | N/A | 2001 | $1,202,546 | 50 | N/A | N/A | N/A |
| 67 | Bovingdon Brickworks LIMITED | Unitedkingdom | Flaunden | Pudds Cross, Leyhill Road | Hertfordshire | HP3 0NW | bovingdonbricks.***** | 1959 | $1,198,769 | 1 | N/A | N/A | N/A |
| 68 | Cheshire Brickmakers LIMITED | Unitedkingdom | Hollinfare | Moss Side Lane | Warrington | WA3 6HH | N/A | 1937 | $1,151,037 | 13 | N/A | N/A | N/A |
| 69 | Times Past Fireplaces | Unitedkingdom | Poulton-le-fylde | Units 5a & 5b | Lancashire | FY6 8JS | thefireplacesuperstore.***** | 1987 | $1,144,134 | 6 | N/A | N/A | N/A |
| 70 | By The Fireside | Unitedkingdom | Broxbourne | Old Nazeing Road | Hertfordshire | EN10 6RJ | btfonline.***** | 1979 | $1,128,664 | 6 | N/A | N/A | N/A |
| 71 | Apex Block Cutters LIMITED | Unitedkingdom | Hardingstone | 22-24 Harborough Road | Northamptonshire | NN2 7AZ | apexbuildingproducts.***** | 1995 | $1,077,698 | 1 | N/A | N/A | N/A |
| 72 | Gill & Punter Racing Supplies | Unitedkingdom | Shere | The Barn, Shere Rd | Surrey | GU5 9BW | N/A | 1958 | $1,077,288 | 6 | N/A | N/A | N/A |
| 73 | Firecraft Fireplace | Unitedkingdom | Chorley | 74 Park Road | Lancashire | PR7 1QX | firecraftfireplaces.***** | 1988 | $1,034,140 | 6 | N/A | N/A | N/A |
| 74 | Matclad LIMITED | Unitedkingdom | Rhosrobin | Unit 51 Rhosddu Industrial Estate | Wrexham | LL11 4YL | matclad.***** | 2009 | $1,017,259 | 13 | N/A | N/A | N/A |
| 75 | Direct Brick Consumables | Unitedkingdom | Moorhouse | Unit 3 Brooklands Road | Doncaster, South Yorkshire | DN6 7BA | directbrickonline.***** | 2014 | $959,280 | 5 | N/A | N/A | N/A |
| 76 | Canova Clay LIMITED | Unitedkingdom | Sheffield | Canova Clay Ltd | Sheffield, South Yorkshire | S36 4HG | N/A | 2024 | $959,190 | 5 | N/A | N/A | N/A |
| 77 | S C Roof Structures CO | Unitedkingdom | Hurlston | Burscough Indstl Est | Lancashire | L40 8JS | N/A | 1987 | $953,446 | 5 | N/A | N/A | N/A |
| 78 | Chesterfield Roofing Centre | Unitedkingdom | Chesterfield | Unit 5 Armytage Indstl Est | Derbyshire | S41 9ET | N/A | 1994 | $953,446 | 5 | N/A | N/A | N/A |
| 79 | Tamworth Fireplaces | Unitedkingdom | Wilnecote | Sterling Park | Staffordshire | B77 5DQ | tamworthfireplace.***** | 2011 | $948,173 | 5 | N/A | N/A | N/A |
| 80 | Apex Brickcutters (midlands) LIMITED | Unitedkingdom | Haslemere | Aruna House | Surrey | GU27 2QA | apexbrickcutters.***** | 2009 | $917,555 | 14 | N/A | N/A | N/A |
| 81 | Fireplace Design Centre | Unitedkingdom | Walthamstow | Unit 6 Hall Lane Chingford Industrial Centre | London | E4 8DJ | something-different.***** | 2019 | $914,981 | 5 | N/A | N/A | N/A |
| 82 | Miller Brickwork LTD | Unitedkingdom | Whitstable | Unit 128c | Kent | CT5 3QT | millerbrickwork.***** | 2020 | $905,306 | 6 | N/A | N/A | N/A |
| 83 | J J S Marble | Unitedkingdom | Brimstage | Unit 19 23 | Wirral, Merseyside | CH62 3PY | jjsmarblefireplaces.***** | 1995 | $897,740 | 5 | N/A | N/A | N/A |
| 84 | Mario Clad LTD | Unitedkingdom | Central | Unit 2, Liver Industrial Estate,, Long Lane | Liverpool, Merseyside | L9 7ES | N/A | 2018 | $895,074 | 10 | N/A | N/A | N/A |
| 85 | Next Generation Scm LIMITED | Unitedkingdom | Saint Giles | 71-75 Shelton Street | London | WC2H 9JQ | techgeneration.***** | 2024 | $839,173 | 5 | N/A | N/A | N/A |
| 86 | Forterra | Unitedkingdom | Wilnecote | Hedging Lane | Staffordshire | B77 5EU | hansons.***** | 2016 | $835,689 | 40 | N/A | N/A | N/A |
| 87 | DIRECTBRICK&STONE LTD | Unitedkingdom | Thorp Arch | Unit 715 A | Leeds, West Yorkshire | LS23 7FY | N/A | 2022 | $795,657 | 10 | N/A | N/A | N/A |
| 88 | Thermulon LTD | Unitedkingdom | Thorpe Larches | Netpark Incubator | Durham | TS21 3FD | thermulon.***** | 2019 | $789,418 | 8 | N/A | N/A | N/A |
| 89 | Tudorstone Building Materials LIMITED | Unitedkingdom | Leeds | Benson House | Leeds, West Yorkshire | LS1 4JP | N/A | 1998 | $767,423 | 4 | N/A | N/A | N/A |
| 90 | Peco Of Hampton | Unitedkingdom | Hampton | 139 Station Road | London | TW12 2AL | peco-of-hampton.***** | 1977 | $762,756 | 4 | N/A | N/A | N/A |
| 91 | Marble Fireplace Centre | Unitedkingdom | Tettenhall Wood | 94 Lord Street | Wolverhampton, West Midlands | WV3 0QL | N/A | 2007 | $762,756 | 4 | N/A | N/A | N/A |
| 92 | Woodcraft | Unitedkingdom | Downpatrick | 9 Kilmore Village | Newry, Mourne and Down | BT30 9HP | N/A | 1997 | $762,756 | 4 | N/A | N/A | N/A |
| 93 | Merthyr Marble & Stone CO | Unitedkingdom | Merthyr Tydfil | E F I Industrial Estate, Brecon Road | Merthyr Tydfil | CF47 8RB | N/A | 1986 | $762,756 | 4 | N/A | N/A | N/A |
| 94 | The Fireplace | Unitedkingdom | Huntingdon | Flat 9 | Cambridgeshire | PE29 2AY | flameboyant.***** | 1997 | $762,756 | 4 | N/A | N/A | N/A |
| 95 | All Fires | Unitedkingdom | Hazel Grove | 213 London Road | Manchester, Greater Manchester | SK7 4HS | N/A | 2011 | $762,756 | 4 | N/A | N/A | N/A |
| 96 | Perkins,richard A H, | Unitedkingdom | Newton Solney | The Cottage | Derbyshire | DE15 0RB | N/A | 1989 | $762,446 | 4 | N/A | N/A | N/A |
| 97 | Natural Stone Fireplace CO | Unitedkingdom | Londonderry Derry | Unit 5b | Derry and Strabane | BT48 0LU | N/A | 1997 | $762,446 | 4 | N/A | N/A | N/A |
| 98 | Glasgow Architectural Salvage | Unitedkingdom | Drumchapel | Unit 1 | Glasgow City | G14 0AP | glasgowarchitecturalsalvage.***** | 2003 | $758,537 | 4 | N/A | N/A | N/A |
| 99 | Morley Fire Place Company | Unitedkingdom | Leeds | Unit 28 Market Hall | Leeds, West Yorkshire | LS27 8DS | leedsfireplaces.***** | 2011 | $737,030 | 4 | N/A | N/A | N/A |
| 100 | Fireworld Fireplaces | Unitedkingdom | Central | 15 Childwall Priory Road | Liverpool, Merseyside | L16 7PA | fire-world.***** | 2013 | $731,984 | 4 | N/A | N/A | N/A |