| 3181 | Steel Processing & Fabricating Equipment | Company Product |
| 3182 | Steel Products | Company Product |
| 3183 | Steel Props | Company Product |
| 3184 | Steel Protective Coatings | Company Product |
| 3185 | Steel Putty | Company Product |
| 3186 | Steel Rectangular Pipe | Company Product |
| 3187 | Steel Reinforcement Work | Company Product |
| 3188 | Steel Road Plates | Company Product |
| 3189 | Steel Rod Cutting Services | Company Product |
| 3190 | Steel Rollers | Company Product |
| 3191 | Steel Rolling Doors | Company Product |
| 3192 | Steel Roofings | Company Product |
| 3193 | Steel Round Bar | Company Product |
| 3194 | Steel Sawing | Company Product |
| 3195 | Steel Scaffold | Company Product |
| 3196 | Steel Scale | Company Product |
| 3197 | Steel Sections | Company Product |
| 3198 | Steel Sheets | Company Product |
| 3199 | Steel Shot Abrasives | Company Product |
| 3200 | Steel Silo | Company Product |
| 3201 | Steel Silos | Company Product |
| 3202 | Steel Slag | Company Product |
| 3203 | Steel Spring Washers | Company Product |
| 3204 | Steel Square Pipe | Company Product |
| 3205 | Steel Stockists & Dealers | Company Product |
| 3206 | Steel Strapping Bands | Company Product |
| 3207 | Steel Strappings | Company Product |
| 3208 | Steel Strips | Company Product |
| 3209 | Steel Structural Supported Platform System | Company Product |
| 3210 | Steel Structural Works | Company Product |