| S J | S. J. / Spear & Jackson (Ashberry) Ltd |
| S J C E S M | S. J. C. E. S. M. - Sheffield & District Joint Council for Ex-Service Men |
| S M | S. M. & Co Ltd |
| Safety | Safety Razor Blanks Ltd |
| Salt | Jonathan Salt |
| Samuel | Barnett Samuel |
| Samuel | H. Samuel |
| Sanders | Albert Sanders |
| Sanders | Sanders & Bowers Ltd |
| Sanderson | Charles Sanderson |
| Sanderson | John Sanderson |
| Sanderson | John Sanderson |
| Sanderson | John Sanderson & Son (1929) Ltd |
| Sanderson | Naylor & Sanderson (Sanderson Brothers & Company) |
| Sanderson | Sanderson Bros & Newbould |
| Sanderson | Sanderson Brothers & Company |
| Sanderson | William Sanderson & Sons |
| Sanenwood | Sanenwood Products Ltd |
| Sansom | Sansom & Davenport |
| Sansom | Thomas Sansom & Sons / William Sansom & Company |
| Sarjeant | John Alfred Sarjeant |
| Sauer | Sauer, Eyre & Company |
| Savage | George Savage & Son |
| Savage | W. S. Savage & Company |
| Saville | C. W. Saville |
| Saville | Gilbert Saville Steel Works Ltd |
| Saville | Keeler & Saville |
| Sawtell | Taylor Sawtell Ltd |
| Sayles | Sayles, Hancock & Company |
| Sayles | William Sayles |
| Saynor | Samuel & John Saynor / Thomas Saynor |
| Saynor | Saynor, Cooke & Ridal |
| Saynor | W. Saynor (Sheffield) Ltd |
| Scargill | Thomas Scargill |
| Schindler | Louis Schindler |
| Schofield | Isaac Schofield |
| Schofield | John Bagshaw Schofield |
| Schofield | Joseph Schofield |
| Schofield | Schofields (Yorkshire) Ltd |
| Schofield | Webb, Schofield & Company |
| Scholes | James Albert Scholes |
| Schwab | Sternberger & Schwab |
| Scott | Scott & Sons |
| Seaman | A. Seaman & Co |
| Seaman | Hobson, Seaman & Company |
| Searls | William S. Searls & Company |
| Sears | William John Sears |
| Sedgwick | James Sedgwick |
| Sellers | G. H. Sellers & Company |
| Sellers | John Sellers & Sons |
| Senior | Paget & Senior Ltd |
| Senior | Travis, Senior & Travis |
| Serrated | Serrated Knives Ltd |
| Servis | Servis |
| Settle | Thomas Settle & Company / John & Thomas Settle |
| Seymour | Seymour & Smith Ltd |
| Shallcross | William Shallcross |
| Shannon | Shannon |
| Sharp | John Sharp(e) & Company |
| Sharrard | Sharrard, Mosby & Company Ltd |
| Sharrow | Sharrow, Colley & Company |
| Shaw | Frederick Shaw |
| Shaw | George Shaw |
| Shaw | Henry Shaw |
| Shaw | John Shaw & Sons |
| Shaw | Jonathan Shaw |
| Shaw | Robert Shaw / G. & E. Shaw |
| Shaw | Shaw & Fisher |
| Shaw | Stan Shaw |
| Sheffield | London & Sheffield Cutlery Company Ltd |
| Sheffield | Sheffield Cutlery Co-operative Productive Society |
| Sheffield | Sheffield Cutlery Co. |
| Sheffield | Sheffield Cutlery Company |
| Sheffield | Sheffield Cutlery Manufacturers Ltd |
| Sheffield | Sheffield Cutlery Supply Company |
| Sheffield | Sheffield Flatware Company Ltd |
| Sheffield | Sheffield Metal Company Ltd |
| Sheffield | Sheffield Plate Manufacturing Co. |
| Sheffield | Sheffield Scissors, Razor & Tool Company Ltd |
| Sheffield | Sheffield Shears Company Ltd |
| Sheffield | Sheffield Silver Plate & Cutlery Company (1923) Ltd |
| Sheffield | Sheffield Stainless Cutlery Co Ltd |
| Sheffield | Sheffield Steel Products Ltd |
| Sheffield | Sheffield ‘Blanks’ Ltd |
| Sheffield | The Sheffield Razor Company Ltd |
| Sheldon | Sheldon Cutlery Co Ltd |
| Sheldon | Thomas Sheldon |
| Shemeld | Shemeld & Company |
| Shemeld | Shemeld & Oakes |
| Shepherd | Bells & Shepherd |
| Shepherd | Benjamin Shepherd |
| Shepherd | John Shepherd / George Shepherd |
| Shepherd | Joseph Shepherd |
| Shepherd | Marshes & Shepherd |
| Shiers | B. Shiers & Co |
| Shiers | F. Shiers & Co |
| Shipman | Stephen Shipman |
| Shirley | Clarke, Shirley & Co |
| Shirley | W. Shirley & Company |
| Shirtcliffe | Charles & Matthew Shirtcliffe |
| Shirtcliffe | Frederick William Shirtcliffe |
| Shirtcliffe | John Shirtcliffe / Robert C. Shirtcliffe & Son Ltd |
| Shirtcliffe | W. R. Shirtcliffe & Son |
| Shore | Shore & Rotherham |
| Shore | Shore & Son |
| Shore | W. H. Shore |
| Short | Thomas Short Jun. |
| Shortland | George Shortland & Son |
| Sibray | Sibray, Hall & Company Ltd |
| Siddall | George Siddall |
| Siddall | H. Siddall |
| Silver | Silver & Steelcrafts Ltd |
| Simpson | J. & G. Simpson |
| Simpson | John Simpson |
| Simpson | Waite & Simpson |
| Singleton | F. Singleton Ltd |
| Singleton | Singleton & Priestman Ltd |
| Sipelia | Sipelia Group |
| Sippel | B. & J. Sippel Ltd |
| Sissons | John Sissons & Company |
| Sissons | Smith, Sissons & Co |
| Sissons | W. & G. Sissons |
| Skellington | Skellington |
| Skelton | C. T. Skelton & Company Ltd |
| Skidmore | Robert Skidmore / William Skidmore |
| Skidmore | William Skidmore & Company Ltd |
| Skinner | Ebenezer Skinner |
| Skinner | John Crossland Skinner |
| Skinner | John Skinner |
| Skinner | Samuel Skinner & Company |
| Slack | Slack & Barlow (Sheffield) Ltd |
| Slack | Slack & Grinold |
| Slack | Slack Brothers |
| Slater | Crookes & Slater |
| Slater | Herbert M. Slater Ltd |
| Slater | Joseph Slater & Son |
| Slater | Roberts & Slater |
| Slater | Slater Brothers / Herbert M. Slater Ltd |
| Slinn | C. E. Slinn & Co |
| Smallwood | T. Smallwood & Son |
| Smith | Brown & Smith |
| Smith | Cousins and Smith |
| Smith | Deakin, Smith & Company |
| Smith | George Smith & Son |
| Smith | George Smith & Sons |
| Smith | Hargreaves, Smith & Company |
| Smith | James Smith & Brother |
| Smith | Jessop & Smith Ltd |
| Smith | Jonathan Smith |
| Smith | Joseph Fletcher Smith |
| Smith | Joseph Smith |
| Smith | Joseph Smith & Sons |
| Smith | Josephus Smith |
| Smith | Nathaniel Smith & Company |
| Smith | P. Beaumont Smith |
| Smith | Peter Cadman, Son & Smith |
| Smith | Robert D. Smith |
| Smith | Rodgers & Smith |
| Smith | Samuel Smith |
| Smith | Smith & Hall |
| Smith | Smith & Hawksley |
| Smith | Smith & Horton |
| Smith | Smith & Moorhouse |
| Smith | Smith & Seymour Ltd |
| Smith | Smith, Sissons & Co |
| Smith | Smith, Tate, Hoult & Tate |
| Smith | Thomas Smith |
| Smith | Thomas Smith |
| Smith | Thomas Smith |
| Smith | William Smith |
| Smith | Wm. Smith & Co |
| Smithies | W. T. L. Smithies |
| Smiths | Smiths, Knowles, Creswick & Company |
| Snape | Mary Snape |
| Snowden | W. G. Snowden |
| Söhne | Gebrüder, Richartz & Söhne |
| Sorby | George Sorby |
| Sorby | John Sorby & Sons |
| Sorby | Sorby, Hobson & Sorby |
| South | Edward South & Company |
| Southern | Southern & Richardson Ltd |
| Southern | W. G. Southern |
| Southern | Wilson & Southern |
| Sowden | John Sowden & Sons Ltd |
| Spencer | Brailsford & Spencer |
| Spencer | Edward Spencer |
| Spencer | Johnson, Spencer & Company |
| Spencer | Matthias Spencer & Sons |
| Spencer | William Spencer |
| Spong | Spong & Co |
| Spoon | Spoon & Fork Products Ltd |
| Sporle | Anthony Sporle |
| Sporle | Robert Sporle |
| Sporle | Sporle & Newton |
| Spurr | Peter Spurr & Son |
| Spurr | Richard Spurr |
| St Clair | George E. St Clair |
| Stables | Maurice Stables Ltd |
| Stacey | Ebenezer Stacey & Sons |
| Stacey | George Stacey |
| Stacey | Henry V. Stacey |
| Stacey | Jackson, Stacey & Smith |
| Stacey | John Stacey |
| Stacey | Stacey & Bourne |
| Stacey | Stacey Brothers |
| Stacey | Stacey Brothers & Company |
| Stacey | Stacey, Henry & Horton |
| Stacey | Stacey, Pease & Company |
| Stafford | John Stafford |
| Stainless | British Stainless Products Ltd |
| Stainless | The Stainless |
| Stainless | The Stainless & Rustless Steel Company Ltd |
| Stainless | The Stainless Cutlery Co Ltd |
| Staley | Maw & Staley |
| Stamford | Joseph Stamford & Company |
| Standard | Standard Cutlery Co |
| Standex | Standex |
| Standfield | Standfield, Newbould & Baildon |
| Staniforth | Arthur Worrall Staniforth |
| Staniforth | Bierton & Staniforth |
| Staniforth | Charles Staniforth |
| Staniforth | George Staniforth |
| Staniforth | John Walter Staniforth & Company |
| Staniforth | Roberts & Staniforth |
| Staniforth | Samuel Staniforth Ltd |
| Staniforth | Staniforth, Parkin & Company |
| Staniforth | Thomas Staniforth |
| Staniforth | Thomas Staniforth |
| Staniforth | William Thomas Staniforth |
| Staniland | Gregory & Staniland |
| Staniland | John Staniland |
| Staniland | Richard Staniland |
| Staniland | Wainwright & Staniland |
| Stanley | Stanley, Lister & Kay |
| Stanley | The Stanley Works (Great Britain) Ltd |
| Stansfield | Stansfield Brothers |
| Staton | Staton & Ellis |
| Stead | John Stead & Company Ltd |
| Stead | Richard Stead & Son |
| Steele | Moorhouse, Rushworth & Steele |
| Steer | Steer & Webster |
| Stenton | William Stenton & Son / R. S. Stenton |
| Stephenson | John Stephenson (Cutlers) Ltd |
| Stephenson | Stephenson & Wilson Ltd |
| Sternberger | Sternberger & Schwab |
| Stevenson | Job Stevenson / Stevenson & Law |
| Stevenson | Leonard R. Stevenson Ltd |
| Stevenson | R. Stevenson & Co |
| Stirling | Thomas Stirling & Company |
| Stokes | Charles Stokes & Son |
| Stokes | Jukes Coulson & Company / Jukes Coulson, Stokes & Company |
| Stokes | Stokes, Ayres & Co |
| Stone | Miles Stone & Co |
| Stones | Frederick Stones |
| Stones | Thomas Stones & Company |
| Stones | W. Stones & Son |
| Stork | Samuel Stork & Sons |
| Storr | Parsisson & Storr |
| Stovin | John Stovin |
| Stratford | Henry Stratford Ltd |
| Stratford | William Stratford |
| Stringer | Joseph Stringer & Sons |
| Stringer | S. & G. Stringer |
| Styring | Charles Styring & Son |
| Styring | Styring & Hadfield |
| Suckley | Holy, Newbould & Suckley |
| Surmanco | Surmanco Ltd |
| Sutcliff | Robert Sutcliff |
| Sutherland | Sutherland & Rhoden Ltd |
| Sutton | Webster, Robinson & Sutton |
| Swallow | Joseph Swallow |
| Swann | Swann-Morton Ltd |
| Swift | Fee & Swift |
| Swift | Gibson & Swift |
| Swift | John Swift / Thomas Swift / William & James Swift |
| Swift | Samuel Burgin Swift |
| Swift | William Swift |
| Swift | William Swift & Company |
| Swift | Wilson Swift |
| Swinden | Albert Edward Swinden |
| Swinden | Rowland Swinden |
| Swinden | Swinden Clayton |
| Swordplay | Swordplay |
| Sykes | Birks, Withers & Sykes |
| Sykes | Edwin Sykes |
| Sykes | Sykes & Company |
| Sylvester | W. Sylvester & Co |
