Semiconductor Packaging Manufacturers in the US

Global Foundries

Essex Junction, Vermont

Its technology portfolio includes FD-SOI (FDX), FinFET, RF-SOI, SiGe, silicon photonics, advanced packaging (2.5D/3D), BCD, power GaN, and quantum-process platforms. GlobalFoundries serves customers in aerospace and defense, automotive, data center and communications infrastructure, home and industrial IoT, and smart mobile devices.

Green Mountain Semiconductor, Inc.

Burlington, Vermont

Green Mountain Semiconductor, Inc. was founded in 2015 in Burlington, Vermont, by three friends and colleagues who began collaborating on semiconductor design projects.

Integrated Semiconductor Solutions - ISS

Santa Ana, California

Integrated Semiconductor Solutions (ISS) is based in Santa Ana, California. The company was founded in 2001 by Troy Gray, who serves as CEO.

JJISCO, INC

Oconomowoc, Wisconsin

JJISCO, Inc. has been supporting customer requirements from its headquarters in Oconomowoc, Wisconsin since 1998.

Massachusetts Bay Technologies

Stoughton, Massachusetts

Massachusetts Bay Technologies (MBT) was founded in 1999 in Stoughton, Massachusetts. The company began as a specialist in the engineering, manufacture, and distribution of discrete silicon RF and microwave semiconductor devices, single-layer ceramic capacitors, and thin-film products.

Pyramid Semiconductor

Sunnyvale, California

Pyramid Semiconductor is headquartered in Sunnyvale, California. The company was formed in January 2003 through the acquisition of all product lines from Performance Semiconductor, continuing support for all previously supported parts under the same part numbering scheme.

QBit Semiconductor LTD.

Littleton, Massachusetts

QBit Semiconductor LTD. was founded in 2016 in Littleton, Massachusetts, by a core R&D team that originated from Qualcomm's imaging-processing engineering group.

SPI Semicon

Ogden, Utah

SPI Semicon operates from Ogden, Utah, tracing its roots to 1970 when two industry leaders — Semicon Systems and Semiconductor Products — merged to form the company. The combined entity brought together decades of packaging expertise under one roof, establishing a foundation that now spans facilities in the United States and the Philippines.

SemiGen, Inc

Londonderry, New Hampshire

SemiGen, Inc. was founded in 2009 in Londonderry, New Hampshire, to serve as a multi‑faceted partner for electronic device manufacturers.

Skyworks Solutions

Irvine, California5000-9999 employees

Skyworks Solutions was founded in 1962 and is headquartered in Irvine, California. The semiconductor company designs and manufactures radio frequency (RF) and analog semiconductors, including amplifiers, switches, and filters.

Spectrum Semiconductor Materials

San Jose, California

Spectrum Semiconductor Materials operates from San Jose, California, in the heart of Silicon Valley. The company was founded in 1990 and has since served as a worldwide authorized distributor of integrated circuit packages and lids for semiconductor assembly.

Streamline Electronics Manufacturing, Inc. (SEM)

Fremont, California

Streamline Electronics Manufacturing, Inc. (SEM) was founded in 1994 and is headquartered in Fremont, California, in the heart of Silicon Valley.

Telink Semiconductor

Tustin, California

Telink Semiconductor is headquartered in Tustin, California, and was founded in 2014. No founder names or ownership structure are disclosed in the available sources.

Trusted Semiconductor Solutions

Brooklyn Park, Minnesota

Semiconductor Solutions was founded in 2006 and is based in Brooklyn Park, Minnesota. The company operates as a small business concern and non‑traditional defense contractor with DoD Category 1A Accreditation.

Wafer World Inc.

West Palm Beach, Florida

Wafer World Inc. was founded in 1997 in West Palm Beach, Florida.

AG Semiconductor Services, LLC.

Stamford, Connecticut

AG Semiconductor Services (AGSS) is headquartered in Stamford, Connecticut. The company was founded in 1999 and has grown into a major supplier of used semiconductor manufacturing equipment.

ALIGN PRECISION - Tusacloosa (Plant II)

Cottondale, Alabama

Align Precision operates Plant II in Cottondale, Alabama, serving aerospace, defense, semiconductor, and other high‑technology sectors with precision‑manufactured components and assemblies. The company does not disclose its founding year, ownership structure, or founders in the available data.

Advantest America Inc

New York, New York

Advantest America Inc. is headquartered in New York, New York, and operates as the United States subsidiary of Advantest Corporation, which was founded in 1954 in Tokyo.

Agave Semiconductor

Phoenix, Arizona

Agave Semiconductor is a Phoenix, Arizona-based semiconductor company focused on motor control integrated circuits. Its founder has been featured in local business media discussing the Arizona startup ecosystem.

Apogee Semiconductor

Plano, Texas

Apogee Semiconductor was founded in 2017 in Plano, Texas, launched with a National Science Foundation grant to solve the reliability problem of commercial off-the-shelf (COTS) components in space and defense applications. The founding team established the company as a U.S.-based supplier of radiation-hardened power, analog, and mixed-signal integrated circuits.

C&D Semiconductor Services, Inc.

San Jose, California

C&D Semiconductor Services, Inc. was founded in 1989 in San Jose, California, as a supplier of photoresist processing equipment for the semiconductor industry.

Camgian

Starkville, Mississippi

Camgian was founded in 2006 in Starkville, Mississippi, by Dr. Gary Butler, establishing its roots in advanced technology and defense innovation.

Capital Semiconductor

Orlando, Florida

Capital Semiconductor is headquartered in Orlando, Florida. The company specializes in designing and manufacturing sensors and electronic modules for harsh environments, offering design and manufacturing services alongside analog and mixed-signal IP development.

Creative Devices, Inc.

Middletown, Delaware

Creative Devices, Inc. is based in Middletown, Delaware.

EIC Semiconductor Inc

Irwindale, California

EIC Semiconductor Inc is headquartered in Irwindale, California. The company operates as a manufacturer of discrete semiconductor devices.