Industry: 3264—Porcelain Electrical Supplies
Establishments primarily engaged in manufacturing porcelain electronic and other electrical insulators, molded porcelain parts for electrical devices, spark plug and steatitic porcelain, and electronic and electrical supplies from clay and other ceramic materials.
| Alumina porcelain insulators | Magnets, permanent: ceramic or ferrite |
| Beryllia porcelain insulators | Porcelain parts, molded: for electrical and electronic devices |
| Cleats, porcelain | Spark plugs, porcelain |
| Ferrite | Titania porcelain insulators |
| Insulators, porcelain | Tubes, porcelain |
| Knobs, porcelain | |
| Codes |
Titles | Total Marketable US Businesses |
| 32640000 | Porcelain electrical supplies | 55 |
| 32649901 | Cleats, porcelain | 3 |
| 32649902 | Ferrite and ferrite parts | 5 |
| 32649903 | Insulators, electrical: porcelain | 20 |
| 32649904 | Knobs, porcelain | 2 |
| 32649905 | Magnets, permanent: ceramic or ferrite | 32 |
| 32649906 | Porcelain parts for electrical devices, molded | 3 |
| 32649907 | Spark plugs, porcelain | 1 |
| 32649908 | Tubes, porcelain | 2 |
