| 871 | Mechanical Chart Recorders | Company Product |
| 872 | Mechanical Components | Company Product |
| 873 | Mechanical Contractors | Company Product |
| 874 | Mechanical Controls Dual Function | Company Product |
| 875 | Mechanical Controls Single Function | Company Product |
| 876 | Mechanical Copy Lathes | Company Product |
| 877 | Mechanical Coupling Rubber Pin Bush | Company Product |
| 878 | Mechanical Diaphragm Pumps | Company Product |
| 879 | Mechanical Digital Lock With Lever | Company Product |
| 880 | Mechanical Digital Locks | Company Product |
| 881 | Mechanical Dock Levelers | Company Product |
| 882 | Mechanical Engine Rubber Mountings | Company Product |
| 883 | Mechanical Engineering | Company Product |
| 884 | Mechanical Engineering Works | Company Product |
| 885 | Mechanical Engineers | Company Product |
| 886 | Mechanical Equipment, Plant & Machinery | Company Product |
| 887 | Mechanical Feed Vertical Drilling Machines | Company Product |
| 888 | Mechanical Impact Glove | Company Product |
| 889 | Mechanical Jack | Company Product |
| 890 | Mechanical Limit Switches | Company Product |
| 891 | Mechanical Linear Actuators | Company Product |
| 892 | Mechanical Lockout | Company Product |
| 893 | Mechanical Materials Products & Components | Company Product |
| 894 | Mechanical Mobile Filing System | Company Product |
| 895 | Mechanical Multiple Switch | Company Product |
| 896 | Mechanical Polishing | Company Product |
| 897 | Mechanical Position Switch | Company Product |
| 898 | Mechanical Presses | Company Product |
| 899 | Mechanical Pressure Switches | Company Product |
| 900 | Mechanical Pullers | Company Product |