| SIC Code | Business or Product | Registrants |
|---|
|  | | |
| 4785 | Inspection services connected with transportation | * |
| 1796 | Installation of machinery and other industrial equipment-contractors | * |
| 6153 | Installment notes, buying of | 182 |
| 6153 | Installment paper dealer | 182 |
| 6141 | Installment sales finance, other than banks | 194 |
| 2752 | Instant printing, except photocopy service | * |
| 1542 | Institutional building construction, nonresidential-general contractors | * |
| 3714 | Instrument board assemblies, motor vehicle | 366 |
| 3812 | Instrument landing system instrumentation, airborne or airport | 124 |
| 3728 | Instrument panel mockups: aircraft training units | 158 |
| 3825 | Instrument relays, all types | 93 |
| 3825 | Instrument shunts | 93 |
| 3495 | Instrument springs, precision: made from purchased wire | * |
| 3612 | Instrument transformers, except portable | 23 |
| 3829 | Instrumentation for reactor controls, auxiliary | 131 |
| 3695 | Instrumentation type tape, blank | 14 |
| 3841 | Instruments and apparatus, except electromedical: medical, surgical, ophthalmic, and veterinary | 654 |
| 3825 | Instruments for measuring electrical quantities | 93 |
| 3825 | Instruments, electric: for testing electrical characteristics | 93 |
| 3841 | Instruments, microsurgical: except electromedical | 654 |
________
* There are SEC Registrants, but only at the 2- or 3-digit SIC Code levels. |
