| Firm
| Maker's Mark
| Date & Device
| Location
|
| Isaac Smith
|
| 1821 gage plate
(gauge plate)
| Birmingham
|
| N. Smith & Co.
|
| 1784 open hand
| Sheffield
|
| William Smith
|
| 1812 semiquaver
| Birmingham
|
| Staniforth, Parkin & Co.
|
| 1784 dagger
| Sheffield
|
| Benjamin Stot
|
| 1811 triton
| Duke Street Sheffield Park Sheffield
|
| Robert Sutcliff & Co.
|
| 1786
| Sheffield
|
| Sykes & Co.
|
| 1784 equal cross
| Sheffield
|
| Stephen Thomas
|
| 1813 snake
| 45 Thorp Street
Birmingham
|
| Edward Thomason's & Dowler
|
| 1807 comet
| Birmingham
|
| Edward Thomason's & Dowler
|
| 1807 comet
| Birmingham
|
| Tonks
|
| 1807 square
| Birmingham
|
| Tonks
|
| 1824 umboralla
umbrella
| Birmingham
|
| Tudor & Co.
| 

| 1784 half moon
| Sheffield
|
| Samuel Turley
|
| 1816 coach wheel
| Birmingham
|
| John Turton
|
| 1820 egg
| 8 Church Street
Birmingham
|
| Joseph Tyndall
|
| 1813 globe
| Mosely St., Deritend
Birmingham
|
| Waterhouse & Co.
|
| 1807 acorn
| Birmingham
|
| J. & J. Waterhouse & Co.
|
| 1833 fleur de lis
| Birmingham
|
Waterhouse & Co.
John Waterhouse & Edward Hatfield & Co.
|
| 1836 phoenix
| Portobello Place
Sheffield
|
| Watson, Fenton & Bradbury
|
| 1795 ship
| Methodist Meeting Yard
Sheffield
|
| Watson, Pass & Co.
|
| 1811 georgium sidus
| Sheffield
|
| John White
|
| 1811 eagle's head
| Birmingham
|
| Henry Wilkinson & Son
|
| 1836 cross keys
| Norfolk Street
Sheffield
|
| Joseph Willmore
|
| 1807 triangle
| Birmingham
|
| William Woodward
|
| 1814 pisces
| Bishopsgate Street
Birmingham
|
| Samuel Worton
|
| 1821 scissors
| near the Five Ways
Birmingham
|
| John Wright & George Fairbairn
|
| 1809 trumpet
| Sheffield
|
| S. & C. Young & Co.
|
| 1813 miter
| Union Street
Sheffield
|