| SIC Code | Business or Product | Registrants |
|---|
|  | | |
| 3644 | Insulators, electrical: except glass and ceramic | * |
| 3229 | Insulators, electrical: glass | * |
| 3264 | Insulators, porcelain | * |
| 2834 | Insulin preparations | 1,955 |
| 2833 | Insulin: bulk, uncompounded | 207 |
| 3299 | Insulsleeves (foundry materials) | * |
| 6411 | Insurance adjusters | 157 |
| 6411 | Insurance advisory services | 157 |
| 6411 | Insurance agents | 157 |
| 6411 | Insurance brokers | 157 |
| 6512 | Insurance buildings, operation of | 228 |
| 6321 | Insurance carriers, accident | 624 |
| 6321 | Insurance carriers, health | 624 |
| 6311 | Insurance carriers, life | 577 |
| 6331 | Insurance carriers: fire, marine, and casualty | 486 |
| 6411 | Insurance claim adjusters, not employed by insurance companies | 157 |
| 9651 | Insurance commissions – government | – |
| 6411 | Insurance educational services | 157 |
| 6411 | Insurance information bureaus | 157 |
| 6411 | Insurance inspection and investigation services | 157 |
________
* There are SEC Registrants, but only at the 2- or 3-digit SIC Code levels. |
