30 Semiconductor companies in United States

30 Semiconductor companies in United States with 48 founders and decision-makers, led by Austin. 32 verified founder emails. Updated 2026-10-03.

Key findings

• FindMeMail tracks 30 Semiconductor companies in United States, with 48 founders and decision-makers listed.
• Austin is the top city, with 2 of them (7%), followed by Santa Clara (2).
• The most common team size is 1-10 employees (83% of companies).
• 7 (23%) were founded in the last three years.
• 13 have a recorded funding round; the most common is Grant (4).
• 19 companies (63%) have at least one verified founder email, 32 verified emails in total.

Breakdown

Top cities

• Austin: 2 (7%)
• Santa Clara: 2 (7%)
• Newark: 1 (3%)
• Leonia: 1 (3%)
• Palo Alto: 1 (3%)
• Coralville: 1 (3%)
• West Lafayette: 1 (3%)
• Pittsburgh: 1 (3%)

Team size (employees)

• 1-10: 25 (83%)
• 101-250: 3 (10%)
• 1001-5000: 1 (3%)
• 251-500: 1 (3%)

Latest funding round

• Grant: 4 (13%)
• Seed: 3 (10%)
• Venture - Series Unknown: 3 (10%)
• Pre-Seed: 1 (3%)
• Convertible Note: 1 (3%)
• Series A: 1 (3%)

Founded (last 10 years)

• 2017: 2 (7%)
• 2018: 2 (7%)
• 2019: 1 (3%)
• 2025: 7 (23%)

Recently added Semiconductor companies in United States

• QLuster Photonics — West Lafayette, United States: Atom-compatible, chip-integrated single-photon emitters for quantum networking and distributed quantum computing.
• Mimir Systems — La Crosse, United States: Saas, Research Q&A, Verifiable Citations
• K1 Semiconductor — Chicago, United States: K1 Semiconductor is a deep‑tech startup focused on engineering ultra‑high‑performance semiconductor wafers.
• Tessellate 2D — Newark, United States: Tessellate 2D is a semiconductor manufacturing company that provides 2D semiconductors for next-generation computer chips.
• XTRIUM — Austin, United States: XTRIUM is a groundbreaking AI startup to help OEMs make the right material decisions, 100x faster
• GPU Supply Co — Sheridan, United States: A specialized B2B distributor of enterprise GPUs, AI infrastructure, and hyperscale storage solutions
• Trimagnetix — Seattle, United States: Nanomagnetic-based Semiconductor Manufacturing
• Lunar Accents Design — Kennesaw, United States: Lunar Accents Design manufactures custom LED lighting solutions, including LED aircraft landing lights.
• Si-TECH — Topsfield, United States: Si-TECH sells silicon wafers and provides wafer processing services for the semiconductor industry.
• Besstech — Troy, United States: Besstech LLC is a lithium-ion component design and engineering company, helping companies improve the performance of lithium ion component.
• H2OPTX — San Jose, United States: H2OPTX provides solutions for full 3D chemical imaging of solid dosage formulations.
• Mezel Mods — Albuquerque, United States: Begin your pinball machine accessorizing adventure with Mezel Mods!
• Reduced Energy Microsystems — San Francisco, United States: Reduced Energy Microsystems develops the world’s most energy-efficient silicon for embedded computer vision and artificial intelligence.
• Innovas Technologies — Coralville, United States: Innovas Technologies provides automatic condenser and chiller tube cleaning systems that improve energy efficiency and reduce maintenance.
• Boston Microtechnology — Burlington, United States: Boston Microtechnology is a semiconductor company that specializes in the development of CMOS-integrated isolated AC/DC conversion.
• Scalar Magnetics — Cuyahoga Falls, United States: Scalar Magnetics develops nuclear magnetic resonance-based chemical analysis technologies.
• Tessolar — Woburn, United States: Tessolar has design innovation to improve solar photovoltaic system performance and reduce installed system costs.
• J2 Materials — Morton Grove, United States: J2 Materials is focused on the production of high-purity materials for emerging semiconductor applications.
• Endpoint Security Inc — College Station, United States: Secure Wireless Communications for the Internet of Things
• Hex Five Security — Redwood City, United States: Hex Five is the creator of MultiZone® Security, the quick and safe way to build high-grade security firmware for embedded systems.
• CrossFire Technologies — Saint Paul, United States: CrossFire Technologies develops and manufactures electronic systems using its patented interconnect and integration processes.
• Liquid X — Pittsburgh, United States: Liquid X is an electronic company that enables users to print metal traces and films that deliver results comparable to the bulk metal.
• Ant Group — Suffolk, United States: Ant Group provides innovative supply chain management solutions.
• Kulite Semiconductor Products — Leonia, United States: Kulite is first name in pressure transducers for scientists & engineers working at the cutting edge of research and design in their fields.
• Ambiq Micro — Austin, United States: Ambiq Micro is a semiconductor manufacturing company that develops mixed-signal solutions for wireless electronics.
• xMEMS — Santa Clara, United States: xMEMS designs solutions and applications by integrating smart methodologies for a range of consumer electronics devices.
• Ampere Computing — Santa Clara, United States: Ampere Computing is a fabless semiconductor company that develops processors for servers in large-scale cloud computing environments.
• Navitas Semiconductor — Torrance, United States: Navitas Semi specializes in next-generation semiconductors, offering GaNFast Power ICs and GeneSiC MOSFETs for consumer electronics and data centers.
• D-Wave Quantum — Palo Alto, United States: D-Wave Systems designs and manufactures quantum computing and superconducting electronics.
• Vertical Semiconductor — Cambridge, United States: Vertical Semiconductor is reinventing power conversion for the current computing infrastructure.

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Frequently asked questions

How many Semiconductor companies in United States are there?

FindMeMail currently lists 30 Semiconductor companies in United States with at least one founder or decision-maker identified. The count updates daily as new companies are added.

Where are most Semiconductor companies in United States based?

Austin (2), Santa Clara (2), Newark (1).

How do I contact founders of Semiconductor companies in United States?

32 verified founder emails are available for these companies on FindMeMail. Create a free account to get 50 free reveals, then buy one-time credit packs from $12.

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Methodology: counts include companies in the FindMeMail database with at least one identified founder or decision-maker. Data refreshes automatically as new companies are added.