1847-1985, tool makers, instrument makers; engineers, Manchester, England Kendall and Gent Limited 1847 - 1985
1883-1889, engineers; manufacturer of turbine generators, Gateshead, England Clarke, Chapman, Parsons and Company 1883 - 1889
1915-1960, engineering company, British Garrard Engineering and Manufacturing Company Limited 1915 - 1960
active, 1916-1994, engineers; scientific instrument maker, Bounds Green, London, England R W Munro Limited 1864
active 1808-1984, engineers; ironfounders, South Stockton, Yorkshire Head Wrightson and Company Limited
1897-1911, engineers; shipbuilders; armament manufacturers, River Don Works, Sheffield, Yorkshire; Barrow-in-Furness, Lancashire, England, British Vickers Sons & Maxim Limited
1910-1921, telegraph engineers/ instrument makers, submarine cable manufacturers, London, British Reid Brothers, Engineers, Limited