While the United States may have been the initial leader in manufacturing electronic components, the country no longer has the global lead. Admittedly, many of the top global companies are an amalgamation of a number of companies including formerly US based ones.

As of 2020, the United States was the third largest manufacturer behind China and Hong Kong. China makes about 23% of all exported electronic components, according to 2017 numbers from Investopedia. The United States did an annual 6.8% of the total electronic component market in 2017. Below are the top 10 US companies in the electronics component industry.

Amphenol Corporation is the major producer of electronic components in the world with over 60 locations around the world. They produce components for the military and aerospace industries, automotive, wireless technology and infrastructure, medical, audio, and associated information technology products. The companies includes a number of subsidiaries including Amphenol Advanced Sensor/Nova Sensor, Amphenol Advanced Sensor/Telaire, Amphenol Advanced Sensor/Thermometrics, Amphenol Aerospace Operations, Amphenol Audio / Entertainment, 

Amphenol I/O, Amphenol ICC, Amphenol ICC, Amphenol Industrial Operations, Amphenol LTW, 

Amphenol RF, Amphenol Sine Systems, Amphenol Solar, Amphenol Spectra-Strip, Amphenol Tuchel.

Dolby Laboratories, Inc. creates audio, visual, and voice technologies for cinemas, home theaters, PCs, mobile devices, and games. Dolby licenses its audio noise reduction and audio encoding/compression technologies to consumer electronics manufacturers.

Hubbell Incorporated is known for electrical and electronic products for non-residential and residential construction, industrial, and utility applications. Hubbell Incorporated operates manufacturing facilities in the United States, Canada, Switzerland, Puerto Rico, Mexico, the People's Republic of China ("China"), Italy, the United Kingdom, Brazil and Australia. 

Acuity Brands, Inc. is a leader in LED lighting, controls, and daylighting. Product offerings include indoor and outdoor fixtures for commercial, institutional, industrial, infrastructure, and residential applications. Target uses include electrical distributors, retail home improvement centers, electric utilities, contractors, utility distributors, municipalities, national accounts, catalogs, and lighting showrooms.

AVX Corporation is a leading international manufacturer of an extensive variety of electronic components, including capacitors, inductors, filters, resistors, couplers, diodes, and circuit protection devices, as well as a broad range of innovative sensor, control, interconnect and antenna solutions. AVX has 29 research, design, manufacturing, and customer support facilities located in 16 countries.