This U.S. industry comprises establishments primarily engaged in manufacturing electronic components (except electron tubes; bare printed circuit boards; semiconductors and related devices; electronic capacitors; electronic resistors; coils, transformers and other inductors; connectors; and loaded printed circuit boards). Manufacturing electron tubes--are classified in U.S. Industry 334411, Electron Tube Manufacturing; Manufacturing bare printed circuit boards--are classified in U.S. Industry 334412, Bare Printed Circuit Board Manufacturing; Manufacturing semiconductors and related devices--are classified in U.S. Industry 334413, Semiconductor and Related Device Manufacturing; Manufacturing electronic capacitors--are classified in U.S. Industry 334414, Electronic Capacitor Manufacturing; Manufacturing electronic resistors--are classified in U.S. Industry 334415, Electronic Resistor Manufacturing; Manufacturing electronic inductors--are classified in U.S. Industry 334416, Electronic Coil, Transformer, and Other Inductor Manufacturing; Manufacturing electronic connectors--are classified in U.S. Industry 334417, Electronic Connector Manufacturing; Loading components onto printed circuit boards or whose output is loaded printed circuit boards--are classified in U.S. Industry 334418, Printed Circuit Assembly (Electronic Assembly) Manufacturing; and Manufacturing communications antennas--are classified in Industry 334220, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing.