Best Semiconductor and Photonic Materials Companies in United States
The 149 best Semiconductor and Photonic Materials companies in United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Inpria.
Among the directories tracking Semiconductor and Photonic Materials companies across the United States, this one ranks 149 of them by disclosed equity funding and recent funding momentum, with $382M in total disclosed capital across the field. No unicorns here. What you get instead is a concentrated picture of a materials sector where real revenue dwarfs funding figures by orders of magnitude. The global market sits at roughly $66.7B in 2024, forecast to reach $78.4B by 2028 at a 4.65% CAGR, driven by chip manufacturing expansion and advanced packaging demand.
The validated filing numbers are what I find most clarifying. Seven filers post a combined revenue pool of roughly $8.4B, with a sector median of $317M and median growth of 8% YoY. Applied Materials pulls $7.0B alone, 22x that median, even after a 2% YoY dip. Microsemi Corp sits at $469M, up 8%. CMC Materials clocks $317M, up 10%. So when you look at directory leaders like Inpria ($69M funded) or Thintronics ($23M), understand they're operating in a revenue environment where the floor is high and the ceiling is enormous. Investors like Intel Capital and Samsung Venture Investment are already paying attention to exactly that gap.
- Quince Market Insights
Ranked: Best Semiconductor and Photonic Materials companies in United States
| # | Company | Disclosed funding | Last round | Employees | Founded | Market signals (1y) | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Inpria Provider of photoresists and other thin films | $69M | 76 mo ago | 39 | 2007 | — | 464 patents EUV lithography photoresists using organotin/organometallic chemistries for patterning | — |
| 2 | Rubicon Provider of monocrystalline sapphire products for optical and industrial applications | $49M | 103 mo ago | 12 | 2001 | — | 286 patents Integrated waste collection logistics, monitoring, and hydraulic pump control systems | — |
| 3 | Voltaix Provides material for semiconductor industry | $46M | 166 mo ago | 185 | 1986 | — | 45 patents Silicon‑nitrogen compound synthesis, especially catalytic dehydrogenative production of trisilylamine and aminosilanes. | — |
| 4 | ZettaCore Nanotechnology based materials for semiconductor applications | $44M | 200 mo ago | 10 | 1999 | — | 59 patents Surface functionalization of metal/oxide substrates for electronic and photonic device integration | — |
| 5 | NexPlanar Produces Chemical mechanical planarization (CMP) pad | $42M | 155 mo ago | 100 | 2003 | — | 182 patents Advanced CMP polishing pads and fabrication methods for semiconductor wafer planarization. | — |
| 6 | SemEquip Offers research, development, and manufacturing of implant materials for memory chips and semiconductors | $34M | 250 mo ago | 1,075 | 2000 | — | 244 patents Boron cluster synthesis and ion implantation for semiconductor defect engineering | — |
| 7 | Thintronics Developer of insulator technology for high-performance electronics and data transfer | $23M | 22 mo ago | — | 2019 | — | 25 patents Curable polymer films for PCB manufacturing and electronic circuit insulation | 4 job openings · 1 award |
| 8 | LightPath Manufacturer of custom VIS & IR optics and thermal imaging solutions 67Product top 14%Innovation top 20%Funding top 22%Growth top 33% All 11 signals ▾Producttop 14% Innovationtop 20% Fundingtop 22% Growthtop 33% Newstop 36% Talenttop 46% Techtop 49% Marketbottom 48% Fin. healthbottom 46% Globalbottom 45% Partnersbottom 35% Product: 6 distinct product lines · Company stage: Public Innovation: 6 product lines rank vs industry peers · Fliar Intelligence Index 67/100 | $16M | 5 mo ago | 327 | 1985 | 18 signals ▲100% Earnings · Leadership · Contracts | — | 4 job openings · 1 internship · 1 partnership |
| 9 | HexaTech Manufacturer of high-quality aluminum nitride substrates for semiconductor devices | $12M | 90 mo ago | 18 | 2001 | — | 32 patents Aluminum nitride single-crystal substrates for high-power and optoelectronic devices | — |
| 10 | EpiWorks Developer of semiconductor wafers | $8M | 302 mo ago | 57 | 1997 | — | 10 patents Manufacturing multi-junction semiconductor photovoltaic cells for high-efficiency solar power. | — |
| 11 | Kyma Tech Provider of Finnish-language radio broadcasts | $6M | 76 mo ago | 13 | 1998 | — | — | — |
| 12 | IntelliEPI Manufacturer of semiconductor epitaxial wafers using MBE epi-growth technology | $5M | 19 mo ago | 70 | 1999 | — | — | — |
| 13 | Cactus Materials Semiconductor fabrication company specializing in imaging chips and AI hardware chips | $5M | 28 mo ago | 18 | 2016 | — | — | 1 job opening |
| 14 | Lightscape Materials Manufacturer of PCB, display and semiconductor materials | $4M | 206 mo ago | — | 2009 | — | 95 patents Patents concentrated in chemistry & materials | — |
| 15 | Divimath Designs and develops integrated circuit chips and related materials | $3M | 92 mo ago | — | 2013 | — | 2 patents Full-duplex wireless communication systems and protocols | — |
| 16 | Colnatec Manufacturer of crystal film measurement systems | $3M | 177 mo ago | 6 | 2009 | — | — | — |
| 17 | Astrileux Manufacturer of IC and semiconductor materials | $3M | 55 mo ago | — | 2014 | — | 7 patents Advanced EUV photomask designs with reflective/non‑reflective layer architectures | — |
| 18 | SunRay Scientific Provider of custom engineered interconnect solutions for advanced electronic packages | $2M | 46 mo ago | 13 | 2012 | — | 6 patents Advanced methods for high‑density electronic component interconnection and packaging | — |
| 19 | Great Lakes Crystal Technologies Manufacturer of single-crystal diamond plates, substrates, and epitaxial wafers 13Talent top 38%Funding top 43%Global bottom 29%Market bottom 20% All 4 signals ▾Talenttop 38% Fundingtop 43% Globalbottom 29% Marketbottom 20% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Funding: Raised $2.4M across 9 rounds · 9 rounds over 2 yrs (4.5/yr) rank vs industry peers · Fliar Intelligence Index 13/100 | $2M | 13 mo ago | 6 | 2019 | — | — | — |
| 20 | Inlustra Technologies Gallium Nitride (GaN) semiconductor substrates | $2M | 184 mo ago | — | 2005 | — | — | — |
| 21 | Acme Advanced Materials Developed process to produce SiC wafers in Microgravity | $1M | 137 mo ago | — | 2013 | — | — | — |
| 22 | SCI Engineered Materials Supplier and manufacturer of advanced materials for PVD Thin Film applications | $1M | 200 mo ago | 23 23 → 24 (+4%) | 1987 | 5 signals ▲400% Earnings · Buyback | — | — |
| 23 | Orthogonal Developer of advanced photoresist solutions for high-resolution OLED displays | $1000K | 75 mo ago | 12 | 2009 | — | 108 patents High‑resolution photolithography processes for organic electronic devices using fluoropolymer resists | — |
| 24 | Vorticity Developer of custom processors | $150K | 82 mo ago | 1 | 2019 | — | 15 patents Specialized hardware accelerators (systolic arrays) for high‑performance PDE solving. | — |
| 25 | OptiGrate Manufacturer of volume bragg gratings and photo-thermo-refractive | $150K | 111 mo ago | 26 | 1999 | — | 3 patents Advanced volume diffractive gratings for laser pulse shaping and optical component fabrication. | — |
Top 12 Semiconductor and Photonic Materials companies in United States
#1
Public · Orlando, Florida · founded 1985 · 327 employees$16.3Mraised▾
Manufacturer of custom VIS & IR optics and thermal imaging solutions. It designs and manufactures optical and infrared solutions, including molded glass aspheric lenses, infrared and thermal imaging assemblies, and IR cameras. The company also produces chalcogenide glass lenses engineered for diverse applications and environments. Its services encompass freeform optics fabrication, infrared glass manufacturing, assembly, integration, and optical design and engineering.
- Jan 2026Post IPO$10.8K
- Sep 2025Post IPO$8M
- Jan 2018Post IPO$2.3M
- Jan 2015Post IPO$1.3M
#2
Series A · San Francisco, California · founded 2019$23Mraised▾
Developer of insulator technology for high-performance electronics and data transfer. It optimizes interconnect insulation, enabling high data rates at low power consumption. The company's technology reduces channel loss, delivering low power consumption for high-speed interconnects. It provides solutions for AI data centers, networking, RF microwave, and devices, impacting design for interactive, wearable, and edge AI applications. The company's unified insulator platform spans compute, switching, and networks, reducing loss for RF systems with better connectivity and higher signal quality.
#3
Seed · East Lansing, Michigan · founded 2019 · 6 employees$2.4Mraised▾
Manufacturer of single-crystal diamond plates, substrates, and epitaxial wafers. It produces these materials for applications such as quantum sensing, advanced packaging for AI chips, and high-power electronics. The company utilizes proprietary CVD reactor designs and growth processes. Its CVD reactors are designed and built domestically, and its diamond substrates are grown domestically. The company also focuses on diamond materials and device R&D.
- May 2025Grant (prize money)$1.3M
- Mar 2025Grant (prize money)$2.3M
- Mar 2025Grant (prize money)$192.1K
- Jan 2025Grant (prize money)$2.7M
#4
Public · Richardson, Texas · founded 1999 · 70 employees$5.3Mraised▾
Manufacturer of semiconductor epitaxial wafers using MBE epi-growth technology. It supplies semiconductor epitaxial wafers to communication chip manufacturing companies. The company focuses on research and development, fostering innovation through a team of scientists and engineers with expertise in IIIV pHEMT/HBT/Laser/IR detector growth, MBE production sensor implementation, and MBE hardware technology development.
- Nov 2024Grant (prize money)$4.1M
- Jun 2020Grant (prize money)$200K
- Jun 2012Grant (prize money)$1M
#5
Acquired · Corvallis, Oregon · founded 2007 · 39 employees$68.8Mraised▾
Inpria Corporation is a pioneer in extending semiconductor lithography with inorganic photoresists for patterning. Its patented photo-condensed molecular oxides offer users the unique ability to deposit directly from solution- atomically smooth, intrinsically dense, and directly photopatternable metal oxide films, enabling advanced performance with simplified processing. The company spun out of Oregon State University research and has the ability to make the material at its Corvallis Lab.
- Feb 2020Series C$31M
- Jul 2017Series B$23.5M
- Mar 2016Series A—
- Jun 2014Series A$5.4M
#6
Seed · Tempe, Arizona · founded 2016 · 18 employees$4.5Mraised▾
Cactus Materials is an innovative technology company specializing in semiconductor fabrication, space applications, and nano-materials. They focus on developing state-of-the-art solutions in ceramic materials and precision engineering.
- Feb 2024Seed$3.7M
- Jul 2023Grant (prize money)$200K
- Jun 2023Seed$800K
- Jun 2021Grant (prize money)$1.3M
#7
Public · Bensenville, Illinois · founded 2001 · 12 employees$49.1Mraised▾
Provider of monocrystalline sapphire products for optical and industrial applications. It offers polished and ground sapphire, windows, tubes, rods, complex shapes, and ultra-thin parts. The company supplies sapphire feedstock and caters to various industries requiring high-performance materials. These industries include defense, electronics, aerospace, sensors, semiconductors, medical, and optics. The products are known for their hardness, strength, transparency, thermal conductivity, and chemical inertness, making them suitable for extreme environments.
- Nov 2017Post IPO—
- Oct 2006Series C$11.6M
- Sep 2005Series C$2.5M
- Sep 2005Series C$2.5M
#8
Deadpooled · Englewood, Colorado · founded 1999 · 10 employees$44Mraised▾
Zettacore was an advanced materials company focussed on molecular memory applications. Their process used specially designed molecules that could store and utilize much more data than typical semiconductors. They planned to develop molecular memory as a better alternative to embedded DRAM. The company gathered lot of funding from marque names in the VC industry but was closed down around 2011 as the technology could not be commercialized successfully.
- Sep 2009Grant (prize money)$1.9M
- May 2009Series C$21M
- Sep 2008Grant (prize money)$1.9M
- Jan 2004Series B$17.5M
#9
Acquired · Branch, Arkansas · founded 1986 · 185 employees$46.5Mraised▾
Voltaix is a provider of semiconductor materials used in the production of semiconductor and advanced photovoltaic cells. The company sells its products through the major international gas distributors and is recognized worldwide for excellence in the synthesis and production of high purity gases and chemicals that enhance the performance of electronic, photonic, and solar devices. It also provides germanium-based semiconductor materials. In 1998 the company acquired Florida Scientific Laboratories, Inc. Voltaix was acquired by Air Liquide in September, 2013.
- Aug 2012Series D$15M
- Mar 2010Series C$10M
- Jul 2009Series B$9M
- Jul 2008Series A$12.5M
#10
Acquired · Hillsboro, Oregon · founded 2003 · 100 employees$41.6Mraised▾
Manufacturer of CMP (chemical mechanical planarization) pads using proprietary nano-domain technology for the production of semiconductors and hard drives. The company develops pads used to plane the surface of a semiconductor wafer before laying down the next layer of electrical circuits.
#11
Acquired · Billerica, Massachusetts · founded 2000 · 1075 employees$34.3Mraised▾
Developer of cluster ion implantation sub-systems and ion source materials intended for the manufacturing of logic and memory chips. The company manufactures and develops technical ceramic products, ceramic powders and components for defense, industrial, automotive and commercial applications.
#12
Series B · United States · founded 2001 · 18 employees$11.6Mraised▾
Manufacturer of high-quality aluminum nitride substrates for semiconductor devices. These substrates enable the fabrication of advanced III-nitride based devices with superior performance and longevity. The manufacturing process results in significantly fewer defects compared to competing technologies, leading to breakthroughs in high Al content AlGaN and other III-N based devices. Applications include UV-C LEDs for disinfection, deep UV lasers for biological threat detection, high-voltage switching devices, and radio frequency components.
- Dec 2018Conventional Debt$175K
- Jun 2018Series B$2.7M
- Oct 2014Conventional Debt$500K
- Feb 2014Grant (prize money)$3.4M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Semiconductor and Photonic Materials coverage by sub-theme.
Regulatory-risk over time flat
Funding & growth over time
funding rising · growth rising
How research on Semiconductors is moving in the United States
A read on the academic research around Semiconductors — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 8,739 United States-affiliated papers.
- Georgia Institute of Technology489
- IMEC343
- Intel325
- Purdue University West Lafayette218
- Industrial Technology Research Institute177
- Photonics56→121
- Photonic integrated circuit49→81
- Artificial neural network3→29
- Detector25→48
- Scalability53→73
- Photonics45→59
- Artificial neural network2→14
- Rapid single flux quantum2→12
- Detector20→29
- Image sensor2→11
- Photonics10→28
- Hardware security module6→13
- Thermal10→16
- Automotive industry2→8
- Photonic integrated circuit9→14
Where semiconductors is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing semiconductors patents in the United States
United States semiconductors patent filing is cooling — 112,775 filings from 8,000 assignees (2016–2025), led by IBM, Applied Materials, Intel; annual filings 11572→7675.
- IBM19691
- Applied Materials13119
- Intel11689
- Micron Technology10011
- Texas Instruments4804
- LAM RES4667
- Sandisk Technologies3051
- Qualcomm2897
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.