| SIC Codes: | 3675 3676 3678 3674 3672 3671 3661 |
| NAICS Codes: | 334419 334413 334412 334417 334416 |
Companies in this industry manufacture semiconductors and other electronic components. Products include diodes, transistors, integrated circuits, silicone wafers, and other solid-state and semiconductor components. Companies that make capacitors, resistors, and transformers, as well as electron tubes (cathode ray tubes and vacuum tubes), printed circuit assemblies, and connectors are also included in this industry.