| 2131 | Solids Detection | Company Product |
| 2132 | Solids Flow Detection | Company Product |
| 2133 | Solids Flowmeters | Company Product |
| 2134 | Solids Level Point Detection | Company Product |
| 2135 | Solinoid Valves | Company Product |
| 2136 | Soltaire 120/ 250 | Company Product |
| 2137 | Solutions | Company Product |
| 2138 | Solvent & Removers | Company Product |
| 2139 | Solvent Based Sealers | Company Product |
| 2140 | Solvent Cleaning Machines | Company Product |
| 2141 | Solvent Degreaser | Company Product |
| 2142 | Solvent Products | Company Product |
| 2143 | Solvent Recovery Equipment | Company Product |
| 2144 | Solvent Sprayer | Company Product |
| 2145 | Solvent-Based Paint | Company Product |
| 2146 | Solvent-Based Primers | Company Product |
| 2147 | Solvent-Based Wood Care | Company Product |
| 2148 | Solventless or Waterless Hand Cleaners | Company Product |
| 2149 | Solvents | Company Product |
| 2150 | Sonic Coring | Company Product |
| 2151 | Sonic Coring Method | Company Product |
| 2152 | Sonic Coring Test | Company Product |
| 2153 | Sonic Echo | Company Product |
| 2154 | Sorbitol | Company Product |
| 2155 | Sound Analysers | Company Product |
| 2156 | Sound Attenuators | Company Product |
| 2157 | Sound Barrier | Company Product |
| 2158 | Sound Barrier Sheet | Company Product |
| 2159 | Sound Control Structures & Equipment | Company Product |
| 2160 | Sound Dampening Materials | Company Product |