| •••••••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Other | |
| ••••••••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Other | |
| ••••••••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Active | |
| ••••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Active | |
| •••••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Other | |
| ••••••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Other | |
| •••••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Active | |
| •••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Active | |
| •••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Other | |
| •••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Other | |
| ••••••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Other | |
| ••••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Active | |
| ••••••••••• | SPRAGUE-GOODMAN ELECTRONICS INC | Functional Equivalent | Obsolete | |
| •••••••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Active | |
| ••••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Active | |
| •••••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Other | |
| •••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Other | |
| ••••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Other | |
| ••••••••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Other | |
| ••••••• | KNOWLES PRECISION DEVICES | Functional Equivalent | Other | |
