| 1920 | Sabot manufacturing | |
| 2411 | Saccharin, manufacturing | |
| 2424 | Sachet, scented, manufacturing | |
| 1711 | Sacks and bags, made in broad fabric weaving mills | |
| 2102 | Sacks, multiwall, made from purchased uncoated paper | |
| 1721 | Saddle cloths, manufacturing | |
| 9249 | Saddle horse rental services, recreational | |
| 2424 | Saddle soaps, manufacturing | |
| 2029 | Saddle trees, wood, manufacturing | |
| 1911 | Saddlery leather, manufacturing | |
| 2893 | Saddlery parts, metal, manufacturing | |
| 5260 | Saddlery repair | |
| 5260 | Saddlery repair shops | |
| 5139 | Saddlery, wholesale | |
| 1912 | Saddles and parts, leather, manufacturing | |
| 3592 | Saddles, bicycle, manufacturing | |
| 3591 | Saddles, motorcycle, manufacturing | |
| 2893 | Safe and vault locks (except time), manufacturing | |
| 2899 | Safe deposit boxes and chests, metal, manufacturing | |
| 6302 | Safe deposit companies | |
| 2899 | Safe doors and linings, metal, manufacturing | |
| 6023 | Safe moving, local | |
| 2899 | Safes, metal, manufacturing | |
| 1912 | Safety belts, leather, manufacturing | |
| 1810 | Safety clothing, manufacturing | |
| 7421 | Safety consulting services | |
| 5150 | Safety deposit boxes, sales and installation of | |
| 5239 | Safety equipment, retail | |
| 5139 | Safety equipment, wholesale | |
| 3320 | Safety eye glasses, manufacturing | |
| 2429 | Safety fuses, blasting, manufacturing | |
| 2610 | Safety glass (including motor vehicle), made from purchased glass | |
| 2610 | Safety glass (including motor vehicle), made in glass making plants | |
| 9301 | Safety glove supply service | |
| 1810 | Safety gloves, all materials, manufacturing | |
| 3320 | Safety goggles, manufacturing | |
| 2899 | Safety hats, metal, manufacturing | |
| 2520 | Safety hats, plastic, manufacturing | |
| 2899 | Safety pins, manufacturing | |
| 9199 | Safety promotion associations and agencies, public | |