| Start - End | Name, occupation and work address |
|---|---|
| 1877 - 1909 | Brand, James, civil engineer and contractor, 123 Hope Street |
| 1909 - 1911 | Brand, Charles J. (of Charles Brand & Son, contractors, 188 West Regent Street) |
| 1914 - 1914 | Thomson, Gilbert, M.A., C.E. (of Gilbert Thomson & Ferguson, civil engineers, 164 Bath Street)Next door to 9 Marchmont Terrace Around the corner to 15 Bowmont Gardens |