New Jersey is home to a vibrant semiconductor manufacturing sector, crucial in creating the electronic components that power modern technology. Companies within this industry develop and produce products ranging from wafer fabrication equipment to photonics solutions. This sector is evolving rapidly, driven by advancements in AI, IoT, and 5G technologies, making the supply of innovative semiconductor solutions more imperative than ever. As demand for electronics continues to grow globally, New Jersey’s semiconductor firms are poised to play an increasingly pivotal role in meeting industry needs, reflecting broader trends in technological innovation and efficiency.


This list highlights 19 notable semiconductor manufacturing companies based in New Jersey, varying in size from under 10 to over 500 employees. Established between 1958 and 2011, these firms focus on diverse specializations such as photonics, RF technologies, and chemical management systems. The companies are spread across several New Jersey locations, including Moorestown, South Plainfield, and Edison. Each organization caters to specific market requirements, ensuring quality components and solutions for the semiconductor sector.


Continue reading to discover the top semiconductor manufacturing companies in New Jersey.


Top 19 Semiconductor Manufacturing Companies in New Jersey


1. Hisense Photonics

  • Website: hisensephotonics.com
  • Ownership type: Private
  • Headquarters: South Plainfield, New Jersey, United States (USA)
  • Employee distribution: United States (USA) 82%, China 18%
  • Founded year: 2000
  • Headcount: 51-200
  • LinkedIn: hisense-photonics

Hisense Photonics Inc. is a technology company based in South Plainfield, New Jersey, founded in 2000. The company focuses on photonics, providing critical products like wafers and chips that serve the technology and electronics sectors. With a workforce of around 21 employees on LinkedIn, Hisense Photonics engages in manufacturing and engineering roles that emphasize process integration and product development. Their operations are primarily based in the United States, with a smaller presence in China, reflecting their involvement in the global semiconductor market. Hisense Photonics plays a vital role in supplying essential components for electronic devices, contributing to the broader semiconductor manufacturing ecosystem.


2. S-Cubed

  • Website: s-cubed.com
  • Ownership type: Corporate
  • Headquarters: Montville, New Jersey, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: March 2025
  • Founded year: 1994
  • Headcount: 11-50
  • LinkedIn: s-cubed-inc

S-Cubed, founded in 1994 and based in Montville, New Jersey, is a semiconductor equipment manufacturer that specializes in photolithography systems and related technologies. The company designs and produces advanced equipment tailored for semiconductor fabrication, focusing on enhancing production efficiency and yield. Their product lineup includes sophisticated lithography systems capable of processing wafers up to 300mm, surface treatment equipment, and thermal reflow systems. S-Cubed's tools are engineered with a strong emphasis on customization, allowing them to meet the unique needs of their clients in the semiconductor industry. With a dedicated workforce of around 31 employees, S-Cubed has established itself as a reliable partner for semiconductor manufacturers looking to improve their processes and outcomes.


3. Denton Vacuum

  • Website: dentonvacuum.com
  • Ownership type: Private
  • Headquarters: Moorestown, New Jersey, United States (USA)
  • Employee distribution: United States (USA) 82%, Singapore 12%, China 6%
  • Founded year: 1964
  • Headcount: 11-50
  • LinkedIn: denton-vacuum

Denton Vacuum, founded in 1964 and based in Moorestown, New Jersey, is a technology company that specializes in thin film deposition systems. With a workforce of around 48 employees, the company has carved out a niche in providing advanced solutions for the semiconductor and opto-electronics industries. Their products are designed to produce high-quality films for applications such as sensors, power devices, and energy storage. Denton Vacuum's systems are utilized by manufacturers and research institutions that require precision and reliability in their processes. The company has developed a range of products, including ion beam deposition systems and various other deposition technologies, which are crucial for semiconductor manufacturing. Their commitment to innovation is evident in their extensive portfolio of patents and proprietary technologies, which focus on ion energy and plasma control, enabling low-damage and contamination-free film production.


4. KDF, Inc.

  • Website: kdf.com
  • Ownership type: Private
  • Headquarters: Rockleigh, New Jersey, United States (USA)
  • Founded year: 1986
  • Headcount: 11-50
  • LinkedIn: kdf-inc-

KDF, Inc., based in Rockleigh, New Jersey, has been operational since 1986. The company focuses on manufacturing physical vapor deposition equipment and sputtering systems, which are vital for semiconductor fabrication. KDF provides a range of products including OEM parts, repair services, and training, all tailored to meet the needs of semiconductor fabs and other high-tech industries. Their commitment to quality and customer support has positioned them as a significant player in the thin film technology market. Notably, KDF acquired the MRC batch and etch product lines from Tokyo Electron in 1998, enhancing their presence in numerous fabs worldwide. Their systems are designed to cater to various process requirements, making them a reliable choice for semiconductor manufacturers.


5. Heller Industries

  • Website: hellerindustries.com
  • Ownership type: Private
  • Headquarters: Florham Park, New Jersey, United States (USA)
  • Employee distribution: United States (USA) 66%, South Korea 12%, India 12%, Other 10%
  • Founded year: 1960
  • Headcount: 201-500
  • LinkedIn: heller-industries

Heller Industries, Inc., founded in 1960 and based in Florham Park, New Jersey, is a private manufacturing company that focuses on producing reflow ovens and curing ovens tailored for the electronics sector. Their equipment is integral to processes such as consumer electronics assembly and semiconductor packaging. Heller's offerings include convection reflow ovens, vacuum/voidless reflow ovens, and pressure curing ovens, all designed to ensure high-quality soldering and curing. The company serves a global market, with a significant presence in regions like South Korea, India, and China. Heller Industries is committed to innovation, providing solutions that enhance efficiency and reliability in electronic manufacturing processes.


6. R&D Altanova

  • Website: rdaltanova.com
  • Ownership type: Corporate
  • Headquarters: South Plainfield, New Jersey, United States (USA)
  • Employee distribution: Pakistan 50%, United States (USA) 39%, Taiwan 8%, Other 3%
  • Latest funding: November 2021
  • Founded year: 1969
  • Headcount: 501-1000
  • LinkedIn: r-%26-d-circuits-inc--nj

R&D Altanova, based in South Plainfield, New Jersey, has been a key player in the semiconductor industry since its founding in 1969. The company specializes in advanced test interface solutions, which are essential for both wafer sort and final test applications. Their offerings include PCB manufacturing, engineering for signal integrity, and assembly and testing of electronic components. R&D Altanova serves a clientele that consists primarily of large integrated device manufacturers and semiconductor foundries, who depend on their expertise for efficient testing solutions. The company has a global presence with offices in the United States, Costa Rica, and Asia, ensuring they can meet the needs of their international customers. R&D Altanova is committed to innovation and quality, continuously improving their technologies to support the latest advancements in the semiconductor field, including applications in 5G, AI, and IoT.


7. Cast

  • Website: cast-inc.com
  • Ownership type: Private
  • Headquarters: Woodcliff Lake, New Jersey, United States (USA)
  • Employee distribution: United States (USA) 68%, Greece 32%
  • Founded year: 1993
  • Headcount: 11-50
  • LinkedIn: castcores

CAST, based in Woodcliff Lake, New Jersey, is a technology company founded in 1993 that specializes in silicon IP cores. Their offerings include a range of processors, compression solutions, and security technologies tailored for various applications. CAST serves clients primarily in the automotive, aerospace, and technology sectors, providing them with efficient and reliable components for electronic systems. The company operates by supplying advanced IP cores that can be integrated into customer products, enhancing performance and functionality. With a workforce of around 31 employees, CAST has a notable presence in the industry, particularly in the development of IP cores for mission-critical systems, including those used in defense and aerospace applications.


8. Princeton Optronics

  • Website: princetonoptronics.com
  • Ownership type: Venture Capital
  • Headquarters: Trenton, New Jersey, United States (USA)
  • Latest funding: March 2017
  • Founded year: 1993
  • Headcount: 11-50
  • LinkedIn: princeton-optronics

Princeton Optronics, based in Trenton, New Jersey, is a technology company founded in 1993. It specializes in photonic devices, particularly lasers and photodetectors, which are essential components in various applications across industries such as telecommunications, medical devices, and industrial automation. The company focuses on developing innovative solutions that enhance the functionality and efficiency of light-based technologies. With a small team of around 17 employees, Princeton Optronics operates in a niche market, providing customized products that cater to specific customer needs. Their expertise in photonics positions them as a relevant player in the semiconductor manufacturing sector, particularly in the development of advanced light and sensor solutions.


9. GPR Company

  • Website: gprco.com
  • Ownership type: Private
  • Headquarters: Fairfield, New Jersey, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1979
  • Headcount: 51-200
  • LinkedIn: gprcompany

GPR Company, Inc., founded in 1979 and based in Fairfield, New Jersey, is a contract manufacturer that specializes in precision machining and custom manufacturing solutions. With a workforce of around 22 employees, GPR has built a solid reputation over more than four decades for delivering high-quality components and assemblies. They cater to various industries, including aerospace, defense, and notably, semiconductor equipment. GPR's capabilities include precision CNC machining, vacuum chamber manufacturing, and complex assembly solutions, all of which are crucial for the semiconductor sector. Their commitment to quality is underscored by their ISO 9001:2015 certification, ensuring that they meet stringent manufacturing standards. GPR's advanced facilities are equipped with state-of-the-art CNC machines, enabling them to handle intricate designs and close tolerances required in semiconductor applications.


10. OSI Laser Diode Inc

  • Website: laserdiode.com
  • Ownership type: Private
  • Headquarters: Edison, New Jersey, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 2011
  • Headcount: 51-200
  • LinkedIn: osi-laser-diode-inc

OSI Laser Diode Inc., founded in 2011 and based in Edison, New Jersey, is a private company that specializes in the manufacturing of optoelectronic components, including laser diodes and photodiodes. The company serves a variety of sectors, including telecommunications, medical, and industrial, providing high-quality products that are crucial for optical testing and signal detection. OSI Laser Diode Inc. is committed to reliability and performance, offering custom solutions tailored to meet specific customer needs. Their manufacturing capabilities include III-V fabrication, device characterization, and a range of packaging options, ensuring that they can meet the demands of their clients effectively. With a workforce of around 19 employees, the company maintains a focused approach to its operations, emphasizing quality and customer satisfaction.


11. Intense, Inc.

  • Website: intenseco.com
  • Ownership type: Corporate
  • Headquarters: Hanover, New Jersey, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Latest funding: January 2010
  • Founded year: 1999
  • Headcount: 11-50
  • LinkedIn: intense

Intense, Inc., founded in 1999 and based in Hanover, New Jersey, is a company that specializes in high power laser diodes and systems. They provide advanced laser solutions tailored for the medical, defense, and industrial sectors, emphasizing reliability and performance. The company operates with a business model that prioritizes design, manufacturing, and customer service. Intense, Inc. is known for its patented Quantum Well Intermixing (QWI) technology, which enhances the power, brightness, and reliability of their laser products. Their offerings include a range of visible and infrared laser diodes, modules, and systems, catering to various applications such as photodynamic therapy, industrial imaging, and military uses. Intense, Inc. has not reported any recent funding, indicating a stable operational model since their last funding round in 2010.


12. Process Research Products

  • Website: processresearch.com
  • Ownership type: Private
  • Headquarters: Trenton, New Jersey, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1958
  • Headcount: 11-50
  • LinkedIn: process-research-products

Process Research Products (PRP), established in 1958 and based in Trenton, New Jersey, is a manufacturer of specialty chemicals tailored for various industries, including semiconductor and automotive. The company focuses on producing high-quality chemical solutions that enhance precision cutting, grinding, and lapping processes, particularly for semiconductor wafers. PRP's product line includes synthetic lapping vehicles, grinding coolants, and cleaning agents, which are critical in the fabrication of semiconductors. Their expertise in dispersing solids in liquids allows them to create custom formulations that meet specific manufacturing needs. With a commitment to quality, PRP is ISO 9001:2015 certified and maintains a robust R&D lab to support ongoing product development and technical assistance. Their global distribution network further extends their reach within the semiconductor supply chain, making them a notable player in this specialized market.


13. ECI Technology, Inc, a KLA Company

  • Website: ecitechnology.com
  • Ownership type: Corporate
  • Headquarters: Totowa, New Jersey, United States (USA)
  • Employee distribution: United States (USA) 83%, Taiwan 6%, South Korea 6%, Other 5%
  • Latest funding: $460.0M, September 2021
  • Founded year: 1987
  • Headcount: 201-500
  • LinkedIn: eci-technology-inc

ECI Technology, Inc., a KLA Company, is a manufacturer based in Totowa, New Jersey, specializing in chemical management systems tailored for the semiconductor, photovoltaic, and printed circuit board industries. Founded in 1987, ECI has developed a reputation for providing advanced monitoring and control solutions that help manufacturers optimize their processes, minimize waste, and enhance efficiency. Their product offerings include systems for surface preparation, interconnects, and wafer-level packaging, which are critical in semiconductor fabrication. ECI's technology is integral to maintaining quality standards in high-volume manufacturing environments. The company has a global presence, with a significant portion of its operations in the United States and additional offices in Taiwan, South Korea, Japan, and Canada. In 2021, ECI Technology secured substantial funding, reflecting investor confidence in their innovative capabilities and market position.


14. QEI-RF Corp

  • Website: qei-rf.com
  • Ownership type: Private
  • Headquarters: Monroe, New Jersey, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1971
  • Headcount: 11-50
  • LinkedIn: qei-rf-corp

QEI-RF Corp, based in Monroe, New Jersey, has been operational since 1971. Initially focused on broadcast equipment, the company has evolved to specialize in RF power delivery systems. Their product lineup includes RF generators and matching networks, which are vital for thin film applications in the semiconductor and industrial coatings sectors. QEI-RF serves a global customer base, including scientific laboratories and the broadcast community. The company prides itself on its ability to provide both standard and custom solutions tailored to specific application needs. With a commitment to quality, QEI-RF is ISO 9001:2015 certified, ensuring that their products meet rigorous standards. Their recent developments in RF technology, particularly for semiconductor applications, highlight their ongoing relevance in this field.


15. Astrodyne TDI

  • Website: astrodynetdi.com
  • Ownership type: Private Equity
  • Headquarters: Hackettstown, New Jersey, United States (USA)
  • Employee distribution: United States (USA) 79%, Malaysia 9%, China 6%, Other 5%
  • Latest funding: April 2008
  • Founded year: 1960
  • Headcount: 501-1000
  • LinkedIn: astrodyne

Astrodyne TDI, founded in 1960 and based in Hackettstown, New Jersey, is a manufacturer focused on power supplies and EMI filters. With a workforce of approximately 355 employees, the company operates under private equity ownership. Astrodyne TDI serves a variety of industries, including medical, industrial, military, aerospace, and notably, semiconductor manufacturing. Their products are engineered to meet the rigorous demands of these sectors, ensuring reliability and efficiency in critical applications. The company offers a wide range of power solutions, including AC/DC and DC/DC power supplies, as well as EMI/EMC filters, which are essential for maintaining signal integrity in electronic devices. Astrodyne TDI's involvement in semiconductor fabrication equipment highlights their importance in the semiconductor ecosystem, as their power solutions are designed to conform to industry standards such as SEMI F47, which addresses voltage sag tolerance in semiconductor manufacturing equipment.


16. NTE Electronics, Inc

  • Website: nteinc.com
  • Ownership type: Private
  • Headquarters: Bloomfield, New Jersey, United States (USA)
  • Employee distribution: United States (USA) 100%
  • Founded year: 1979
  • Headcount: 51-200
  • LinkedIn: nte-electronics-inc

NTE Electronics, Inc. is a private company based in Bloomfield, New Jersey, established in 1979. The firm specializes in supplying electronic components, with a strong emphasis on semiconductors, connectors, and thermal management solutions. NTE serves a wide array of clients in the electronics manufacturing sector, providing essential components for various applications. Their product offerings include a comprehensive range of semiconductors such as diodes, transistors, and rectifiers, alongside other electronic components like circuit protection devices and connectors. NTE operates both as a distributor and a manufacturer, ensuring a steady supply of high-quality products to meet industry demands. The company has maintained a consistent presence in the market, focusing on quality and reliability in its offerings, which are crucial for the performance of electronic devices.


17. Synergy Microwave Corporation


Synergy Microwave Corporation, founded in 1982 and based in Paterson, New Jersey, is a technology company that specializes in RF and microwave signal sources and processing products. With a workforce of around 25 employees, the company has carved out a niche in the semiconductor industry by providing essential components such as voltage-controlled oscillators, phase-locked translators, and various types of filters. Their products are primarily utilized in telecommunications, aerospace, and defense applications, highlighting their role in critical sectors that depend on advanced signal processing technologies. Synergy Microwave is committed to innovation and quality, ensuring that their offerings meet the rigorous demands of their clients. The company operates as a private entity and has not reported any recent funding activities.


18. Fuji Electric Corp. of America

  • Website: americas.fujielectric.com
  • Ownership type: Corporate
  • Headquarters: Edison, New Jersey, United States (USA)
  • Employee distribution: United States (USA) 81%, Colombia 12%, Uganda 3%, Other 3%
  • Latest funding: April 2016
  • Founded year: 1970
  • Headcount: 201-500
  • LinkedIn: fuji-electric-corp--of-america

Fuji Electric Corp. of America, established in 1970 and based in Edison, New Jersey, is a power electronics manufacturer that specializes in a wide array of products, including drives, semiconductors, and power generation equipment. The company serves various industries such as manufacturing, food and beverage, and oil and gas, providing solutions that enhance operational efficiency and reliability. Their semiconductor offerings include IGBT modules, discrete IGBTs, SiC devices, and power MOSFETs, which are critical for applications in energy management and automation. Fuji Electric is committed to innovation and quality, ensuring that their products meet the rigorous demands of modern industrial applications. With a workforce of approximately 154 employees, the company maintains a strong presence in the Americas, supported by a network that extends to Colombia, Uganda, and Canada.


19. Astg


Analytical Science and Technologies Group, Inc. (Astg) is a private company based in Newton, New Jersey, founded in 2002. With a workforce of around 27 employees, Astg focuses on analytical sciences and technologies, particularly in the area of gas handling and analysis systems. Their products and services cater to various industries, including semiconductor manufacturing, where they play a crucial role in ensuring gas purity and compliance with stringent quality standards. Astg offers a range of solutions, such as ultra-high purity gas monitoring systems and consulting services, which are vital for maintaining the integrity of semiconductor processes. Their expertise in gas purity verification and environmental monitoring positions them as a key partner for companies in the semiconductor sector, helping to navigate the complexities of gas management and quality assurance.



Semiconductor Manufacturing Insights: Key Companies in New Jersey


CompanyHeadquarterSizeFoundedOwnership
Hisense PhotonicsSouth Plainfield, New Jersey, United States (USA)51-2002000Private
S-CubedMontville, New Jersey, United States (USA)11-501994Corporate
Denton VacuumMoorestown, New Jersey, United States (USA)11-501964Private
KDF, Inc.Rockleigh, New Jersey, United States (USA)11-501986Private
Heller IndustriesFlorham Park, New Jersey, United States (USA)201-5001960Private
R&D AltanovaSouth Plainfield, New Jersey, United States (USA)501-10001969Corporate
CastWoodcliff Lake, New Jersey, United States (USA)11-501993Private
Princeton OptronicsTrenton, New Jersey, United States (USA)11-501993Venture Capital
GPR CompanyFairfield, New Jersey, United States (USA)51-2001979Private
OSI Laser Diode IncEdison, New Jersey, United States (USA)51-2002011Private
Intense, Inc.Hanover, New Jersey, United States (USA)11-501999Corporate
Process Research ProductsTrenton, New Jersey, United States (USA)11-501958Private
ECI Technology, Inc, a KLA CompanyTotowa, New Jersey, United States (USA)201-5001987Corporate
QEI-RF CorpMonroe, New Jersey, United States (USA)11-501971Private
Astrodyne TDIHackettstown, New Jersey, United States (USA)501-10001960Private Equity
NTE Electronics, IncBloomfield, New Jersey, United States (USA)51-2001979Private
Synergy Microwave CorporationPaterson, New Jersey, United States (USA)1-101982Private
Fuji Electric Corp. of AmericaEdison, New Jersey, United States (USA)201-5001970Corporate
AstgNewton, New Jersey, United States (USA)51-2002002Private


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