Top 8 Silicon Powder Producers/Wholesale Suppliers in the United States

When it comes to sourcing high-purity silicon metal powder, finding a supplier that actually manufactures the material—not just resells it—can make a big difference. In the U.S., there are only a handful of companies that have the equipment, expertise, and certifications to process silicon powder in-house. These manufacturers offer more than just materials—they provide consistency, traceability, and the technical know-how to meet demanding industrial and research-grade requirements.

In this article, we spotlight U.S.-based suppliers that are doing the real work behind the scenes—grinding, refining, and producing silicon powder under strict quality standards. Whether you’re sourcing for semiconductors, ceramics, metallurgy, or solar applications, these companies bring the kind of credibility and control that offshore distributors often lack. Let’s take a closer look at the producers who are setting the standard for American-made silicon metal powder.

SiliFuse (Xiamen) Technology Co., Ltd.

• Address: Zhaoan County, Zhangzhou City, Fujian Province, China
• Phone Number: +86 755-23443400
• Website: https://silicon-powders.com/

SiliFuse (Xiamen) Technology Co., Ltd. is a China-based silicon powder manufacturer that specializes in 325 mesh ultra-pure silicon powder for high-tech applications. With over 20 years of experience in silicon manufacturing and materials science, the company blends deep technical expertise with a sharp focus on purity and consistency. Their products are designed for industries like semiconductors, solar, and advanced ceramics—where even minor impurities can be a dealbreaker.

While their operations are rooted in Xiamen, a major export and R&D hub, SiliFuse serves clients across the globe, including the U.S. Their strength lies in combining high-end manufacturing with flexible supply chain support. For American companies looking for a reliable offshore partner that understands the importance of material traceability and purity, SiliFuse brings both the experience and infrastructure to deliver.

Atlantic Equipment Engineers, Inc.

• Address: 24 Industrial Ave, PO Box 181, Upper Saddle River, NJ
• Phone Number: (201) 828-9400
• Website: https://micronmetals.com/

Micron Metals, operated by Atlantic Equipment Engineers, has been in the business of high-purity metal powders for decades. Based in the U.S., they supply silicon metal powder in various mesh sizes, serving industries like metallurgy, aerospace, and electronics. Their silicon powder is available in both standard and custom specifications, making them a go-to for labs and industrial buyers looking for consistent quality and purity.

What sets them apart is their control over sourcing and packaging, allowing them to maintain ISO-certified standards across their product line. Unlike generic distributors, Micron Metals handles their materials in-house and offers reliable delivery, tight particle sizing, and purity control—all essential for advanced manufacturing and research applications.

Noah Chemicals

• Address: 1 Noah Park, San Antonio, TX 78249, United States
• Phone Number: +1 210-691-2000
• Website: https://www.noahchemicals.com/

Noah Chemicals blends the precision of lab-scale production with the scale of industrial manufacturing. Their in-house team processes elemental silicon into fine powders at various mesh sizes, typically between 100 and 325 mesh. Whether the end use is high-tech ceramics or solar-grade silicon products, they’ve built their name on repeatable quality.

They’re particularly well-suited for buyers who need transparency, U.S.-based operations, and the ability to handle tight purity tolerances. If you need more than just a bag of powder—like documentation, compliance, and custom particle sizing—Noah is equipped to deliver.

Accumet Materials Co LLC

• Address: 200 Executive Blvd # 2B, Ossining, NY 10562, United States
• Phone Number: +1 914-762-1540
• Website: https://www.accumetmaterials.com/

Accumet Materials, located in Ossining, New York, specializes in custom-engineered materials, including silicon metal powders with tight purity and particle size control. They produce fine silicon powders for use in electronics, ceramic components, and high-performance coatings, working directly with clients to meet unique technical requirements.

Their strength lies in advanced materials processing—from raw metal form into refined powder—all within their U.S. operation. Accumet is known for its responsiveness and ability to fulfill small-batch or custom orders. For clients who care about application-specific specs and high-end use cases, they bring true technical expertise to the table.

Belmont Metals Inc

• Address: 330 Belmont Ave, Brooklyn, NY 11207, United States
• Phone Number: +1 718-342-4900
• Website: https://www.belmontmetals.com/

Belmont Metals has been a mainstay in non-ferrous metal manufacturing since 1896, when George Henning first opened shop on Belmont Avenue in Brooklyn. Over the past century, the company has evolved from a local metal dealer into a full-scale metal production facility spanning 80,000 square feet. Today, Belmont specializes in a wide range of alloys—lead, zinc, bronze, brass, solder, and babbitt metals—manufactured using modern induction and gas-fired furnaces, backed by advanced in-house quality control and spectrographic labs.

While they do offer silicon-bearing alloys and list silicon powder in their product catalog, Belmont is not a dedicated producer of standalone, high-purity silicon metal powder. Instead, their focus is on custom alloy compositions and form factors like ingots, pellets, and granules. For clients looking for metallurgical-grade blends with silicon as an ingredient—not lab-grade silicon powder—Belmont provides long-standing expertise and responsive service from their Brooklyn facility.

Phelly Materials USA Inc

• Address: 15 Industrial Ave, Upper Saddle River, NJ 07458, United States
• Phone Number: +1 201-385-5998
• Website: https://phelly.com/

Headquartered in the U.S., Phelly Materials is a well-established manufacturer of advanced metal powders, though their core product line is focused on titanium and cobalt alloys—not silicon. Their in-house PREP (Plasma Rotating Electrode Process) allows them to create highly spherical powders used in thermal spraying and implant coatings, with applications across aerospace, electronics, and medical sectors. Phelly also handles machining, sintering, and other critical metal processing operations under one roof.

They stand out for their focus on high-quality, reproducible output in demanding industries. ISO-certified and FDA-compliant for biomedical products, Phelly maintains strict quality systems that support consistency and traceability. While they aren’t a fit for silicon powder buyers, they are a top-tier choice for those needing specialized metal powders with tight specs and rigorous documentation.

Silrec Corporation

• Address: 1792 Alysheba Way #380, Lexington, KY 40509, United States
• Phone Number: +1 859-225-0974
• Website: https://silrec.com/

With decades of processing experience, Silrec stands out as an American silicon powder producer and recycler, not just a supplier. Their Lexington facility can convert silicon scrap, chunks, or wafers into fine powder form—often used by universities, solar manufacturers, or materials labs. This gives customers both material traceability and domestic production benefits.

By operating a vertically integrated processing setup, Silrec ensures control over particle size, purity, and chain-of-custody—from recycling to final packaging. That makes them a logical choice when buyers need guaranteed U.S.-made silicon powder, complete with stringent process documentation and quality control.

Stanford Advanced Materials

• Address: 23661 Birtcher Dr, Lake Forest, CA 92630, United States
• Phone Number: +1 949-407-8904
• Website: https://www.samaterials.com/

Stanford Materials Corporation (SMC), based in California, has built its reputation over more than two decades by manufacturing ultra-high-purity silicon powder—from lab-grade to semiconductor material. Their catalog includes silicon metal and powders with purities ranging from 99.9% to 99.999%, available in multiple mesh sizes (e.g., -100, -200, -325 mesh). SMC doesn’t just distribute—they produce silicon in-house, handling everything from refining to packing, which gives buyers traceability and control over particle specs.

Their customers range from solar cell developers to electronics firms and advanced material researchers. Since they manufacture directly, they can support custom particle sizing and provide detailed technical sheets on purity and trace metal content. That kind of manufacturing expertise and quality documentation sets them apart in silicon powder sourcing

NC Elements

• Address: 5448 Apex Peakway #145 Apex, NC
• Phone Number: +1 (919) 694-1688
• Website: https://ncelements.com/

NC Elements operates a true silicon powder production line in the U.S., blending, milling, and packaging material in-house based on customer needs. Their focus on semiconductor- and medical-grade materials underscores their manufacturing focus rather than distribution-only operations.

Offering both stock and custom powder solutions, NC Elements appeals to buyers who need technical support, tailored specifications, and domestic sourcing. Their vertical approach supports consistent quality and control over every batch of silicon powder they supply.

How to Choose the Right Silicon Powder Producers/Wholesale Suppliers in the USA

Finding the right silicon powder supplier in the U.S. isn’t just about comparing prices—it’s about knowing who actually makes the stuff. A lot of companies will list silicon powder in their catalog, but that doesn’t mean they’re the ones producing it. If you need consistency, custom specs, or traceability, it really helps to work with someone who has their own production setup and knows the material inside and out.

So what should you watch for? Look for signs they actually manufacture—like in-house grinding, purity testing, or R&D labs. Check if they can tweak mesh sizes or purity levels for your needs. Certifications like ISO or FDA compliance are a good sign they take quality seriously. Understanding how to evaluate certificates of analysis and asking the right technical questions will help you distinguish real manufacturers from distributors.