48 companies in this supply chain, sorted by market share.
World's largest EV and grid storage battery maker. 45% share of Chinese EV battery market in 2024; dominant LFP grid storage manufacturer. Has US supply relationships via Ford, BMW; building factory in Michigan via LRS JV (subject to political uncertainty).
Supplies these inputs
Grid-Scale Battery Storage (LFP/Li-ion)
Replaceability
Substitutability 25% · 36 mo to replace
Business segments
- EV Battery Cells & Packs (LFP / NMC)55% rev
- Grid-Scale Energy Storage (LFP)25% rev
- Sodium-Ion Batteries (SIB) — Emerging5% rev
- Battery Materials & Mining10% rev
Cleveland, Ohio-based integrated steel producer (NYSE: CLF); formed through acquisitions of AK Steel (2020) and ArcelorMittal USA (2020) — now the largest flat-rolled steel producer in North America. Key plate facilities: Burns Harbor, Indiana (carbon/HSLA plate + heat treating); Gary, Indiana (same grade mix); Coatesville, Pennsylvania (EAF-based, 800,000 tons/year, 450+ steel chemistries including military alloy, quench-and-temper capability). Also serves automotive as AK Steel legacy. The Coatesville PA facility is one of the most technically capable US plate mills — produces complex alloys including military armor plate. Iron ore mining operations in Minnesota/Michigan (Minorca Mine, Tilden Mine, Empire Mine) provide integrated raw material supply from Great Lakes region.
Supplies these inputs
Grain-Oriented Electrical Steel (GOES / CRGO)
Replaceability
Substitutability 20% · 18 mo to replace
Business segments
- Grain-Oriented Electrical Steel (GOES) — Sole US Producer12% rev
- Flat-Rolled Steel (Automotive, Appliance, General)55% rev
- Specialty Plate (Military Armor + Structural)12% rev
- Iron Ore & Pellet Production (Minnesota/Michigan)21% rev
One of the largest energy infrastructure companies in North America; holds natural gas and NGL storage assets including salt cavern storage. Kinder Morgan's Products Pipelines segment operates refined products and NGL pipelines with associated storage. Also a leading operator of liquefied natural gas (LNG) facilities and CO2 pipelines for enhanced oil recovery. Less dominant in LPG salt cavern storage specifically vs. Enterprise/Energy Transfer/ONEOK, but holds meaningful storage capacity.
Supplies these inputs
Natural Gas (Pipeline-Grade)
Replaceability
Substitutability 45% · 60 mo to replace
Business segments
- Natural Gas Pipelines and Storage (Primary)65% rev
- LNG Terminals and Export15% rev
- CO2 Pipelines (Enhanced Oil Recovery)10% rev
- Products Pipelines10% rev
Southwire Company LLC (private, HQ Carrollton GA; ~$8B+ revenue; founded 1950 by Roy Richards Sr.) is the United States' largest wire and cable manufacturer AND the inventor of the SCR (Southwire Continuous Rod) continuous copper rod casting process (patented 1963). The SCR process — which feeds molten cathode copper into a continuous casting wheel and immediately hot-rolls to 8mm rod — was developed at Carrollton and Southwire licenses SCR technology globally; most of the world's rod mills outside the Properzi licensees use SCR-derived processes. Southwire operates multiple rod mills in the US (Carrollton GA primary; also Hawesville KY, Russellville AR). As the US's dominant domestic rod supplier, Southwire supplies many US cable manufacturers that cannot source elsewhere. Southwire Carrollton faced EPA Superfund listing due to historical copper smelting/refining waste; the site has since been remediated.
Supplies these inputs
High-Voltage Transmission Conductors (ACSR/ACCC)
Replaceability
Substitutability 60% · 18 mo to replace
Business segments
- Copper Rod (SCR Process)25% rev
- Building Wire35% rev
- Power Cable & Utilities25% rev
- Industrial & Specialty15% rev
Leading smart meter and IoT solutions provider; major North American gas meter manufacturer
Supplies these inputs
Advanced Metering Infrastructure (AMI) / Smart Meters
Replaceability
Substitutability 55% · 18 mo to replace
Business segments
- Smart Electric Meters & AMI Systems45% rev
- Gas Meters & Distribution Automation20% rev
- Smart Water Meters & AMI15% rev
- Network Communications (GenX/CENTRON RF)10% rev
Owns Elster Group; major global gas meter manufacturer including North American market
Supplies these inputs
Advanced Metering Infrastructure (AMI) / Smart Meters
Replaceability
Substitutability 55% · 18 mo to replace
Russian state-owned uranium enrichment trading company, wholly owned by Rosatom. Supplied ~27% of US LEU before the August 2024 US import ban. Russia holds ~44% of global uranium enrichment capacity (USEC). Imposed its own export ban on US-bound LEU in November 2024.
Supplies these inputs
Low-Enriched Uranium (LEU) Nuclear Fuel
Replaceability
Substitutability 35% · 24 mo to replace
Business segments
- Uranium Enrichment Services & LEU Trading85% rev
- Stable Isotope Production & Export10% rev
- High-Assay LEU (HALEU) — Emerging5% rev
World's largest polysilicon producer by capacity (~910,000 MT); also makes solar cells, modules, and animal feed — the dual-use company that pivoted from aquaculture to solar manufacturing.
Supplies these inputs
Solar-Grade Polysilicon
Replaceability
Substitutability 25% · 24 mo to replace
Business segments
- Polysilicon55% rev
- Solar Cells (PV Cells)25% rev
- Solar Modules10% rev
- Aquaculture Feed (Tongwei's Original Business)10% rev
South Korean manufacturer of large power transformers for US grid. Korea is the top import source for US LPTs by value. Hyundai Electric's transformer division has long-term US utility supply agreements.
Supplies these inputs
Large Power Transformers (LPTs) & Generator Step-Up Units
Replaceability
Substitutability 40% · 24 mo to replace
World's largest uranium producer (~22% of global mine output). State-owned by Kazakhstan. Revenue ~$3B (2024). Operates 26 uranium mines using in-situ recovery (ISR) method — low-cost, environmentally controlled. Kazakhstan produces ~21,000 tU/yr. Primary customer base includes Orano, Urenco, Cameco, CGNPC, and TENEX. Major geopolitical concern: landlocked Kazakhstan routes uranium through Russia (via rail to Baltic ports) or China for Western delivery.
Supplies these inputs
Low-Enriched Uranium (LEU) Nuclear Fuel
Replaceability
Substitutability 50% · 24 mo to replace
Business segments
- Uranium Mining (ISR Method)85% rev
- Sales & Marketing (Uranium Trading)10% rev
- Other Products & Services5% rev
Japan's largest and world's #3 steel producer; parent of Standard Steel LLC (the only North American forged rail wheel producer, acquired 2011). Also blocked from acquiring US Steel Corporation (Biden administration denied in January 2025 on national security grounds). The irony: US regulators blocked Nippon Steel from buying a general US steel company for 'national security' reasons, while Nippon Steel already wholly owns the company that provides 100% of the forged steel wheels for US freight railcars — a product with no domestic alternative. Nippon Steel is also a major rail producer for Japanese and global markets.
Supplies these inputs
Grain-Oriented Electrical Steel (GOES / CRGO)
Replaceability
Substitutability 30% · 18 mo to replace
Business segments
- Sheet & Strip Steel (Automotive, Construction)40% rev
- Plate & Structural Steel20% rev
- Rail & Wheels (Standard Steel subsidiary)10% rev
- Tubular Products15% rev
French state-majority-owned nuclear fuel cycle company. Revenue ~€4.5B (2024). Operates Georges Besse II enrichment plant at Tricastin (France) — ~7.5 million SWU/yr capacity. Also mines uranium in Niger and Kazakhstan, and provides conversion services. The largest single Western enrichment facility. Signed multiple long-term supply contracts with US utilities post-Russian import ban. Orano is 80% owned by French state via CEA and Caisse des Dépôts.
Supplies these inputs
Low-Enriched Uranium (LEU) Nuclear Fuel
Replaceability
Substitutability 55% · 12 mo to replace
Business segments
- Uranium Mining25% rev
- Uranium Conversion15% rev
- Uranium Enrichment (Georges Besse II)35% rev
- Nuclear Fuel Fabrication15% rev
Prysmian Group (BIT: PRY, HQ Milan; ~€16B revenue) is the world's largest cable and wire systems manufacturer (cables for energy transmission, telecoms, building wiring, industrial applications). Prysmian does not produce its own copper rod at scale; it acquires rod as the primary input for its cable manufacturing operations across Europe, the Americas, and Asia. Post-merger with General Cable (2018, ~$3B), Prysmian operates 106 facilities in 50+ countries. As the world's largest cable maker, Prysmian's copper rod purchasing volume makes it one of the largest single buyers of copper rod globally — its sourcing decisions significantly influence rod pricing and availability in European and North American markets.
Supplies these inputs
High-Voltage Transmission Conductors (ACSR/ACCC)
Replaceability
Substitutability 60% · 18 mo to replace
Business segments
- Energy Cables & HVDC Submarine Systems40% rev
- Optical Fiber & Telecom Cables20% rev
- Building & Construction Wiring25% rev
- Industrial, OEM & Aerospace15% rev
Skyworks Solutions Inc. (Irvine CA; Nasdaq: SWKS; ~$3.8B revenue FY2024; formed 2002 by merger of Alpha Industries and Conexant's wireless division) is the world's third-largest GaAs RF semiconductor company. Skyworks is heavily weighted toward smartphone RF ICs (power amplifiers, front-end modules for Samsung, Huawei era, Apple secondary supplier) and has been expanding into IoT (smart home, industrial IoT) and automotive RF. Skyworks operates a GaAs fabrication facility in Newbury Park CA — one of the few remaining US-soil compound semiconductor fabs producing at commercial scale. Skyworks also uses WIN Semiconductors (Taiwan) as a foundry partner for wafer production overflow. Skyworks' revenue profile is among the most Apple-dependent in the semiconductor industry: Apple historically represented ~60-65% of Skyworks' annual revenue, though this has declined as Broadcom expanded Apple RF content and Skyworks diversified.
Supplies these inputs
Advanced Metering Infrastructure (AMI) / Smart Meters
Business segments
- Mobile55% rev
- Broad Markets45% rev
Largest NdFeB permanent magnet producer in China and the world. State-affiliated; partly owned by Chinese Academy of Sciences (CAS). Revenue ~¥8B (2024). Produces ~30,000 MT/yr of sintered NdFeB magnets for EV motors, wind turbines, and consumer electronics. Pioneered the original Sanhuan process and holds key patents in China. Critical to Siemens Gamesa, Vestas, and most Chinese wind turbine OEMs.
Supplies these inputs
Neodymium-Iron-Boron (NdFeB) Permanent Magnets
Replaceability
Substitutability 20% · 48 mo to replace
Business segments
- Sintered NdFeB Permanent Magnets80% rev
- Bonded NdFeB Magnets12% rev
- Raw Materials & Alloys8% rev
Second-largest global polysilicon producer; ~80,000 MT Xinjiang capacity + Inner Mongolia expansion. Revenue ~¥20B (2024). Also manufactures wafers. GCL pioneered FBR (granular polysilicon) technology at scale, dramatically cutting production costs. Subject to UFLPA enforcement targeting its Xinjiang operations. GCL also has supply agreements with multiple US solar panel manufacturers through intermediate wafer/cell/module steps.
Supplies these inputs
Solar-Grade Polysilicon
Replaceability
Substitutability 20% · 18 mo to replace
Business segments
- Solar-Grade Polysilicon (Siemens + FBR)55% rev
- Silicon Wafers (GCL Wafer / GCL-Si)25% rev
- GCL Group Parent — Natural Gas Distribution20% rev
Largest pure-play natural gas producer in the US, formed October 2024 from the merger of Chesapeake Energy and Southwestern Energy. Produces ~57 Bcf/d (~15.5% of US supply), primarily from Appalachian (Marcellus/Utica) and Haynesville basins. No ticker yet as of April 2026; shares trade under new entity.
Supplies these inputs
Natural Gas (Pipeline-Grade)
Replaceability
Substitutability 50% · 3 mo to replace
Business segments
- Appalachian Gas (Marcellus/Utica)55% rev
- Haynesville Gas (Louisiana)40% rev
- Midstream & Services5% rev
Chinese sintered NdFeB magnet manufacturer (SZSE: 300748, HK: 6680) headquartered in Ganzhou, Jiangxi Province — the center of China's heavy rare earth industry. 25,000 tonnes/year capacity as of 2024 (doubled from 13,000 tonnes in 2022). Specializes in high-performance N54-grade magnets for EV motors rated to +200°C operating temperature. One of China's 'six leading magnet producers'; received early export licenses under April 2025 controls. Primary EV and wind turbine magnet supplier for Chinese and global automotive OEMs.
Supplies these inputs
Neodymium-Iron-Boron (NdFeB) Permanent Magnets
Replaceability
Substitutability 20% · 48 mo to replace
Business segments
- High-Performance Sintered NdFeB Magnets85% rev
- Standard NdFeB Magnets15% rev
