Specialty gases for chip fabrication

South Korean specialty gas company, subsidiary of SK Group (better known for SK Hynix chips). World's largest NF3 producer with >40% global market share. First Korean company to domestically produce NF3 (2001). Supplies Samsung, SK Hynix, and global foundries.

World's largest NF₃ AND one of top WF₆ producers; subsidiary of SK Group. Revenue ~₩1.2T (2024). Operates Gyeongbuk (Yeongju) facility for both NF₃ and WF₆ using shared HF/F₂ feedstock infrastructure. SK Materials is the only company in the world that is simultaneously a top-3 producer of both NF₃ (chamber cleaning) and WF₆ (CVD tungsten) — making it a dual critical chokepoint for advanced semiconductor manufacturing.

State-owned energy company of Qatar; world's largest LNG producer (77M MT/year capacity, targeting 142 MT/year by 2029-30). North Field is one of the world's largest natural gas reserves. Qatar produces elemental sulfur as a byproduct of gas processing and LNG operations. Qatar's sulfur exports are approximately 0.18M MT/year (per one market data point), though Qatar's Hormuz exposure makes it a key transit chokepoint for regional sulfur flows even if its own production is modest relative to Saudi Arabia or Canada.

Air Products and Chemicals (NYSE: APD; Allentown, PA; ~$12B revenue) licenses the APCI (Air Products and Chemicals, Inc.) natural gas liquefaction process technology used in many small- and mid-scale LNG liquefaction trains worldwide, including utility peak-shaving plants. The APCI propane pre-cooled mixed refrigerant (C3MR) process dominates large baseload LNG export trains globally (used in >90% of world's baseload LNG capacity), but Air Products also licenses adapted cycles for smaller peak-shaving applications. Air Products competes with Linde Engineering for small-scale liquefaction process technology licensing. Air Products is also the world's largest industrial gas producer, supplying nitrogen and other gases used in LNG facility construction and purging.

American industrial gas and hydrogen infrastructure company (NYSE: APD, HQ Allentown PA; ~$12B revenue); world's 3rd-largest industrial gas company and the leading investor in large-scale green hydrogen projects globally. Air Products produces industrial gases (oxygen, nitrogen, hydrogen, helium) globally and is the operator of several major helium liquefaction plants (including facilities in Wyoming and internationally). Air Products' NEOM clean hydrogen project in Saudi Arabia (joint venture with ACWA Power and NEOM company) — the world's largest planned green hydrogen production facility — will produce green hydrogen (from solar/wind electrolysis) exported as ammonia and ultimately reconverted to hydrogen in global markets. Air Products is the one major industrial gas company most committed to the 'hydrogen economy' vision — its CEO Seifi Ghasemi has publicly stated that Air Products would transform from an industrial gas company into a clean hydrogen infrastructure company. The same company that provides helium to hospital MRI machines is simultaneously building the largest green hydrogen plant on Earth in the Saudi desert.

Iceblick Ltd (Odessa, Ukraine) was the world's largest semiconductor-grade neon producer by volume before February 2022 — producing approximately 15-30% of global semiconductor-grade neon from crude neon sourced as a byproduct of Ukrainian steel production. Iceblick also produces krypton, xenon, and argon for industrial and specialty gas markets. The company's neon purification capacity is located in Odessa, which was not occupied during Russia's 2022 invasion but was subjected to missile attacks and port blockades affecting operations. Iceblick has resumed partial operations post-2022 but the Ukrainian steel industry (a primary crude neon source) has been severely reduced by the war, limiting crude neon feedstock availability.

Linde Electronics (the semiconductor gases division of Linde plc) is the second-largest global WF₆ producer. Revenue of semiconductor gases division ~$4B (est. 2024). Produces WF₆ at Alfa (NJ) and international facilities. Linde Electronics is one of only 3–4 qualified WF₆ suppliers globally. Post-merger integration of Praxair's specialty gas business expanded Linde's WF₆ capacity. Supplies TSMC, Intel, Samsung, and GLOBALFOUNDRIES on multi-year contracts.

Linde plc (NYSE/FWB: LIN; HQ Dublin, Ireland; operational HQ Guildford UK; ~$32B revenue 2023) is the world's largest industrial gas company. Linde owns and operates one of the two largest liquid oxygen cryogenic tanker fleets globally — thousands of vacuum-insulated trailers delivering LOX to hospitals, steel mills, chemical plants, and semiconductor fabs in 80+ countries. Linde does not primarily manufacture its own tankers (purchases from Chart Industries and other OEMs) but specifies custom vacuum-insulated designs for its fleet. Linde's medical oxygen business (hospital LOX supply) is the dominant fleet use case. Linde also supplies liquid oxygen rocket propellant to aerospace customers including NASA and commercial launch operators.

Japanese specialty fluorine chemicals company (TSE: 4286, HQ Sōja, Gunma; ~¥70B revenue); one of Japan's two dominant LiPF6 (lithium hexafluorophosphate) producers alongside Stella Chemifa, together producing approximately 25-30% of global LiPF6. Kanto Denka's LiPF6 synthesis route uses high-purity HF and phosphorus pentafluoride (PF5) in anhydrous conditions — a highly moisture-sensitive synthesis requiring specialized chemical manufacturing infrastructure. Kanto Denka also produces SF6 (sulfur hexafluoride, used as a dielectric insulating gas in high-voltage electrical switchgear), ClF3 (chlorine trifluoride, used in semiconductor chamber cleaning), and electronic-grade fluorine gases for semiconductor manufacturing — one Japanese specialty chemicals company supplying both the semiconductor fab and the EV battery supply chain from the same fluorine chemistry platform.

Japanese chemical conglomerate (TYO: 4183, HQ Tokyo); recognized as the quality leader for ultra-high-purity electronic grade IPA for semiconductor applications, achieving parts-per-billion impurity levels. In Q2 2024, Mitsui Chemicals introduced a bio-based IPA derived from renewable acetone with 25,000 MT/year initial capacity — part of Japan's push toward bio-based chemicals. Mitsui is one of the world's leading specialty chemical companies with deep ties to the Mitsui Group keiretsu (same group as Mitsui & Co. trading, Mitsui Fudosan real estate, etc.). Mitsui Chemicals' IPA is particularly important for Japanese and Taiwanese semiconductor fabs. The company that dominates bio-based IPA is also part of the same industrial group that owns one of Japan's largest steel mills (Nippon Steel was historically Mitsui-linked).

Ukrainian specialty gas company (Odesa/Odessa, Ukraine); one of the two major Ukrainian semiconductor-grade neon producers before and during the 2022 Russian invasion. Cryoin's Odesa facility processes crude neon from Ukrainian steel mill ASUs into semiconductor-grade product (5N purity — 99.999%) for export to Asian and European chip manufacturers. Unlike Ingas in Mariupol, Cryoin's Odesa facility was not directly destroyed in the early months of the war — Odesa, while subject to missile attacks, remained under Ukrainian control. Cryoin reportedly supplied approximately 20-30% of global semiconductor-grade neon pre-war. Cryoin's continued operations represent a tenuous supply lifeline for semiconductor manufacturers — operating in a country at war, subject to electricity shortages, and under constant threat from Russian missile strikes on Ukraine's energy infrastructure (which Russia systematically targeted starting in late 2022). Each Russian strike on Ukrainian power infrastructure disrupted Cryoin's neon purification operations.

World's largest industrial gas company; provides gas odorant distribution and blending services globally including ethyl mercaptan. Air Liquide distributes and markets mercaptan gas odorants to LPG and natural gas utilities. Also a leading producer of industrial gases (oxygen, nitrogen, hydrogen, noble gases) for healthcare, industry, and energy. Air Liquide is listed among the top ethyl mercaptan market participants; primarily as a specialty gas blender/distributor rather than a primary mercaptan chemical producer.

Japanese specialty chemicals manufacturer; third-largest NF₃ producer globally. Revenue ~¥200B (2024). Produces NF₃, WF₆, and fluorinated compounds at Ube, Yamaguchi and international plants. ~12% NF₃ global share. Also a major glass manufacturer (flat glass, optical glass). Central Glass is uniquely positioned as both a glass and specialty gas manufacturer — its HF (hydrofluoric acid) feedstock operations feed both divisions.

Ukrainian rare gas company (Mariupol, Donetsk Oblast); was the world's largest supplier of semiconductor-grade neon before the Russian invasion of Ukraine in February 2022. Ingas produced crude neon from the Mariupol Ilyich Iron & Steel Works (one of Ukraine's largest steel plants) — a massive ASU byproduct stream that was purified to semiconductor grade (5N+ purity) for sale to chip manufacturers globally. Ingas reportedly supplied approximately 25-30% of global semiconductor-grade neon. The company's facilities in Mariupol were effectively destroyed or seized during Russia's brutal siege of Mariupol in March-April 2022 — the same siege that made Mariupol's Azovstal Steel Plant famous for the Ukrainian military's last stand. When Ingas stopped operating, a significant fraction of global semiconductor neon supply disappeared overnight. TSMC, Samsung, Intel, and other major chip manufacturers scrambled to find alternative sources.

Japan's largest and world's fifth-largest industrial gas company. MATHESON rebranded to Nippon Sanso MATHESON in April 2026. Particularly strong in electronics-grade specialty gases: NF3, WF6, SiH4, GeH4 for semiconductor fabs.

ExxonMobil is a major helium producer from its North West Shelf LNG operations in Western Australia. The Gorgon LNG facility co-produces helium under agreements with Air Products and Air Liquide. Australia's share of global helium supply has grown from ~3% to ~10% as North West Shelf and Gorgon operations ramped up. Australian helium is strategically important as a non-Qatar, non-Russian source for US and Asian semiconductor fabs.

US specialty gas company owned by Taiyo Nippon Sanso Corporation (TNSC/Nippon Sanso Holdings, Japan). Revenue ~$2.5B (2024, US operations). Major supplier of semiconductor-grade helium (6N) to US and Asian fabs. Matheson is a key TSMC and Intel helium supplier. TNSC ownership means Matheson can access Japanese helium supply infrastructure and government-backed helium reserve programs.