| 2701 | Solenoid Actuated Spool Compact Valves | Company Product |
| 2702 | Solenoid Actuated Spool Valves | Company Product |
| 2703 | Sales | Company Product |
| 2704 | Shuttle Valves | Company Product |
| 2705 | Standard Fittings | Company Product |
| 2706 | Squirt Systems | Company Product |
| 2707 | Special Access Grease Couplers | Company Product |
| 2708 | Super Speed Packers | Company Product |
| 2709 | Sample Coolers | Company Product |
| 2710 | Steam Converting | Company Product |
| 2711 | Steam Conditioning | Company Product |
| 2712 | Superheated Steam | Company Product |
| 2713 | Steam Coolers | Company Product |
| 2714 | Spray Injection | Company Product |
| 2715 | Surface Blowdown Valves | Company Product |
| 2716 | Spill Back Valves | Company Product |
| 2717 | Self Acting Temperature Regulators | Company Product |
| 2718 | Self Acting Pressure Regulators | Company Product |
| 2719 | Self-Monitoring Electrodes | Company Product |
| 2720 | Steam And Pressurized Hotwater Boilers | Company Product |
| 2721 | Single Electrode | Company Product |
| 2722 | Spill Back | Company Product |
| 2723 | Sea Water Cooling | Company Product |
| 2724 | Self Regulated | Company Product |
| 2725 | Surplussing Valves | Company Product |
| 2726 | Steam Hotwater Boilers | Company Product |
| 2727 | Steam Drum Drains | Company Product |
| 2728 | Sludge | Company Product |
| 2729 | Self-Acting | Company Product |
| 2730 | Self-Operated | Company Product |