All pages
- John Kirkaldy (1853-1920)
- John Kirkaldy (2)
- John Kirkaldy and Son
- John Kirkaldy and Sons
- John Kirkconel
- John Kirkham
- John Kitching
- John Kitching (2)
- John Kitson
- John Knape and Son
- John Knight
- John Knight (1850-1899)
- John Knight (Gloucester)
- John Knight (of Kidderminster)
- John Knight and Co
- John Knill and Co
- John Knott and Sons
- John Knowelden
- John Knowles
- John Knowles (Wednesbury)
- John Knowles and Co
- John Knowles and Sons
- John Knowlson
- John Koenlyside and Co
- John Kruesi
- John Kyle
- John Kyle (1861-1911)
- John Kyle Prendergast
- John Kynaston Cross
- John L'Anson
- John L. Austin
- John L. Beckett
- John L. Bogert
- John L. Browne
- John L. Capenhurst
- John L. Collyer
- John L. Cridlan
- John L. D. Gailey
- John L. Dolson and Sons
- John L. Dunk
- John L. Haughton
- John L. Hodgson
- John L. Hogan
- John L. Kennedy and Co
- John L. Kitching
- John L. Mease
- John L. Sardy
- John L. Thomas
- John L. Veitch
- John L. Weston
- John LI. Warden Page
- John Laing
- John Laing Construction
- John Laing Group
- John Laing and Co
- John Laing and Co (Rhodesia)
- John Laing and Son
- John Laird
- John Laird, Sons and Co
- John Laird (1834-1898)
- John Laird Wright
- John Laird and Son
- John Lakeman Hodge
- John Lakey
- John Lamb
- John Lamb (of Newcastle)
- John Lamb Murray Morrison
- John Lamb and Co
- John Lambe Rigden
- John Lambert
- John Lambie
- John Lambrick Vivian
- John Lamond Blair
- John Lamplugh Kirk
- John Lancaster
- John Lancaster (1815-1883)
- John Lancaster (1815-1884)
- John Lancaster (of Manchester)
- John Lancaster and Co
- John Lancaster and Co (of London)
- John Lancelot Smith
- John Land
- John Lander
- John Lane
- John Lane Higgins
- John Lang
- John Lang and Co
- John Lang and Sons
- John Langridge
- John Lankester Parker
- John Lankford
- John Lanyon
- John Larking
- John Latham and Co
- John Latta
- John Laurence Hall
- John Laurence Hodgson
- John Laurie
- John Lausen Co
- John Lavender
- John Lavington Larkworthy
- John Law
- John Law Hunter
- John Lawrence
- John Lawrence Baird
- John Lawrence Benthall
- John Lawrence Dickinson
- John Lawrence Fallon
- John Lawrence Hodgson
- John Lawrence Robinson Pastfield
- John Lawson
- John Lawson, Son and Co
- John Lawson (1805-1901)
- John Lawson (1837-1895)
- John Lawson (Halifax)
- John Lawson Johnston
- John Lawson and Sons
- John Lawton Berry
- John Lawton Haddan
- John Laybourne
- John Lea
- John Lea Claridge
- John Leach
- John Leach and Sons
- John Leadbeater
- John Leake Dexter
- John Lean
- John Leary
- John Leckie
- John Leckie and Co
- John Lee
- John Lee (of Derby)
- John Lee (of London)
- John Lee Hodgson
- John Lee and Co
- John Lee and Son
- John Lee and Son (Grantham)
- John Lee and Sons
- John Leech
- John Leech and Sons
- John Leeming and Son
- John Lees
- John Lees (1827-1861)
- John Lees (of Oldham)
- John Lees Crosthwait
- John Lees and Brother
- John Lees and Co
- John Leggat
- John Leigh
- John Leigh Bradbury
- John Leigh and Brothers
- John Leng and Co
- John Lennard
- John Lennox
- John Lennox (1913-1945)
- John Lennox Kincaid Jamieson
- John Leo Nicolas
- John Leonard
- John Leonard Eve
- John Leonard King
- John Leonard Miller
- John Leonard Rose, B.Sc.
- John Leonard Vaizey
- John Leonard Veitch
- John Leonard Wyer
- John Leopold Egan
- John Leslie
- John Leslie (1766-1832)
- John Leslie Brockhouse
- John Leslie Hunthold Bishop
- John Leslie Lutyens
- John Leslie Victor Dexter
- John Lester Stevenson
- John Lethbridge
- John Lethbridge (1675-1759)
- John Lethbridge (d.1830)
- John Letters and Co
- John Lever and Co
- John Levers
- John Leverton
- John Levick
- John Levick (1819-1875)
- John Levick (1840-1915)
- John Levick (1865-1941)
- John Levis Fraser
- John Lewer
- John Lewis
- John Lewis (1836-1928)
- John Lewis (1848-1930)
- John Lewis (USA)
- John Lewis (b.1842)
- John Lewis (of Swansea)
- John Lewis Eyre
- John Lewis Felix Target
- John Lewis Harper Thomas
- John Lewis Larrad
- John Lewis Longstaffe
- John Lewis Partnership
- John Lewis Redfern
- John Lewis Ricardo
- John Lewis and Co
- John Lewis and Sons
- John Lewis and Sons (Abergavenny)
- John Lex Long
- John Ley
- John Leyland
- John Leyland (d.1918)
- John Liddell
- John Liddell (1830-1924)
- John Liddell (1830- )
- John Liddell Carr
- John Liddle Carr
- John Lidstone
- John Lightfoot
- John Lightfoot (1832-1872)
- John Lilley
- John Lilley and Gillie
- John Lilley and Son
- John Lillie
- John Lilly
- John Lindsay
- John Lindsay Eric Smith
- John Lindsley
- John Line and Sons
- John Lingford
- John Linn
- John Linneker
- John Linton
- John Lintorn Arabin Simmons
- John Linwood
- John Lionel Cridlan
- John Lionel Eardley Ogier
- John Lionel Hood
- John Lisemore
- John List
- John Lister
- John Liver and Co
- John Livingston and Sons
- John Llewellin
- John Lloyd
- John Lloyd (2)
- John Lloyd (3)
- John Lloyd (of Birmingham)
- John Lloyd (of Lilleshall)
- John Lloyd (of London)
- John Lloyd Bentley
- John Lloyd Warden Page
- John Lloyd Williams
- John Lloyd and Sons
- John Loake
- John Lobb
- John Lochtie
- John Lock
- John Locke
- John Locke and Co
- John Lockett
- John Lockhart Brunton
- John Lockhead Adam
- John Lockie
- John Lockwood
- John Lockwood Marsh
- John Lodge
- John Logie Baird
- John Lomas and Sons
- John Lomax
- John Lombe
- John Long
- John Long (2)
- John Long (3)
- John Long (of Leeds)
- John Long Colley
- John Longbotham
- John Longbottom
- John Longbottom and Co
- John Longmuir Penman Brodie
- John Longworth
- John Lonsdale's Sons
- John Lord
- John Lord (2)
- John Lord (d.1849)
- John Lort
- John Losh (1723-1789)
- John Losh (1756-1814)
- John Louch
- John Louden
- John Louden (2)
- John Loudon Macadam
- John Loudon McAdam
- John Lough and Co
- John Louis Jullion
- John Love
- John Love, Junior, and Co
- John Love (2)
- John Love (of Kirkcaldy)
- John Loveland and Sons
- John Lovell Browne
- John Lovering
- John Lovering and Co
- John Loveys and Co
- John Loving
- John Lowdon
- John Lowe
- John Lowe (1798-1866)
- John Lowe (1882-1944)
- John Lowe (b.1911)
- John Lowthian Bell
- John Loxham
- John Lubbock (2)
- John Lucas Research
- John Lucian Blake
- John Lucius O'Flyn
- John Lum Stothert
- John Lumb
- John Lumb and Co
- John Lumley-Robinson
- John Lund
- John Lunt
- John Luscombe
- John Lusk and Co
- John Lyall
- John Lymn
- John Lynch
- John Lyndon
- John Lynn and Co
- John Lyon and Co
- John Lyons
- John Lyons (of Sheffield)
- John Lysaght
- John Lysaght's Bristol Works
- John Lysaght (1832-1895)
- John Lysaght (Person)
- John M'Millan
- John M. Baxter
- John M. Bevan
- John M. C. Paton
- John M. Clitheroe
- John M. Cuthbertson
- John M. Dunlop and Co
- John M. Fisher
- John M. Goodwin
- John M. Henderson
- John M. Henderson (of Aberdeen)
- John M. Henderson and Co
- John M. Horner
- John M. Ilsley