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Semiconductor equipment companies make money by selling highly specialized systems to chip manufacturers, then earning additional revenue from servicing, spare parts, upgrades, software and other products that support those systems throughout their working lives. New-tool sales rise and fall with fabrication-plant investment, while the installed base creates follow-on opportunities after a tool is delivered.
The business model in one view
A semiconductor-equipment supplier is a business-to-business capital-goods company. Its customers operate wafer-fabrication plants (fabs), assembly and packaging facilities, or other production lines. Those customers buy tools that perform specific manufacturing and measurement steps rather than a general-purpose machine.
The supplier’s economics have two connected parts:
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- Systems revenue: sales of new production, inspection or process-control equipment.
- Installed-base revenue: field service, spare parts, upgrades, software, automation and selected refurbished or non-leading-edge tools for equipment already in use.
These categories are not an industry-wide accounting template. Each company defines its segments differently and reports on its own fiscal calendar, so a percentage from one supplier should not be treated as the “typical” mix for every vendor.
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What semiconductor equipment companies sell
Chip production requires many tightly controlled steps. Equipment suppliers specialize in one or more of them, and a single fab may buy tools from numerous vendors.
Deposition, etch and cleaning systems
Deposition tools add extremely thin films to a wafer. Etch systems remove selected material to create the intended structures. Cleaning systems remove particles and residues between process steps. Lam Research identifies deposition, etch and clean among its principal wafer-fabrication systems, along with other equipment for leading-edge production.
Inspection, metrology and process control
Inspection systems look for defects. Metrology tools measure dimensions and other characteristics that determine whether a process is staying within specification. Process-control software combines measurements and inspection results so a manufacturer can identify drift, isolate a cause and improve yield. KLA’s portfolio illustrates this model: its offerings center on inspection, metrology, process-control software and related services rather than on the same process tools sold by every other supplier.
Materials engineering and advanced packaging
Some suppliers cover a broader range of materials-engineering steps and advanced packaging. Applied Materials describes Semiconductor Systems as its largest net-revenue segment and presents a portfolio spanning materials engineering, process control and packaging-related manufacturing. Packaging tools become increasingly important as manufacturers connect multiple dies or add more complex package structures.
Factory automation and supporting software
Fabs use software and automation to move wafers, schedule tools, monitor conditions and manage production data. These products can be sold with a system, added later as an upgrade, or included in a service relationship. They are part of the equipment supplier’s monetization model even though they are not themselves wafer-processing chambers.
How suppliers earn revenue after the initial sale
Field service and maintenance
Once a tool is installed, the customer needs qualified technicians, preventive maintenance, calibration and troubleshooting. Suppliers sell field-service coverage and other support that help keep equipment available for production. KLA states that its revenue comes primarily from product sales and related service contracts; Lam and Applied Materials also identify service activities as important parts of their customer-support businesses.
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Spare parts and consumables
Production tools contain components that wear, become contaminated or must be replaced during scheduled maintenance. Suppliers sell those spare parts to the fab, often using their knowledge of the exact configuration installed at the customer. Parts demand can continue even when the customer is not buying a new generation of equipment.
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A customer may improve an existing system instead of replacing it. Upgrades can add process capability, improve throughput, support a new material or extend the useful life of a tool. Lam groups upgrades with customer-support-related revenue, while Applied Global Services includes related support offerings.
Software and automation add-ons
Software licenses, factory-automation products and process-control capabilities can be sold alongside hardware or added to an installed system. These products may generate license, implementation or support revenue, but the available company disclosures do not establish one common industry-wide subscription model.
Refurbished and non-leading-edge equipment
Not every customer needs the newest process node. Mature-node, specialty-device, power, analogue and other manufacturers may buy older or less advanced systems. Lam identifies its Reliant product line and other non-leading-edge products within customer-support-related revenue. Applied Global Services likewise includes some 200 mm and other non-leading-edge tools. This gives suppliers a way to monetize equipment and capabilities beyond the newest leading-edge systems.
These follow-on streams should not automatically be described as recurring subscriptions. The companies disclose that services, parts, upgrades and related products are sold, but the disclosures do not provide a single comparable service-revenue percentage for the entire industry or prove that every support contract renews on a subscription basis.
Why fab investment determines new-equipment demand
A fab buys equipment when it adds capacity, moves to a more advanced process, changes its product mix or replaces aging tools. Lam links demand to customer investment in wafer-fabrication capacity, technology advancement and support for the installed base. KLA says customer capital spending is influenced by expected market demand, government regulation and capacity constraints.
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This creates cyclical exposure. When chip demand looks strong, manufacturers may approve new fabs or expand existing lines, creating orders for many categories of equipment. If demand weakens or inventories rise, customers can delay projects, reduce utilization and defer purchases. Service and parts sales can continue during a downturn, but they do not make every supplier’s revenue immune to capital-spending cycles.
Timing also differs by market. Foundry and logic manufacturers may spend to adopt a new process technology, while memory manufacturers’ purchases can be tied to capacity additions and memory-market conditions. A supplier that sells primarily into one segment can therefore experience a different cycle from a supplier with a broader customer base.
A company example: Lam Research’s FY2026 reporting
Lam Research’s fiscal year ended June 28, 2026, provides a concrete example of how a supplier separates new systems from support activity. The figures below are company-specific and rounded as reported; the two categories add to approximately the total because of rounding.
| Lam Research FY2026 category | Reported revenue | What the category includes |
|---|---|---|
| Total revenue | $23.233 billion | Company-wide FY2026 revenue |
| Systems revenue | $14.885 billion | New leading-edge deposition, etch, clean and other wafer-fabrication equipment |
| Customer support-related revenue and other | $8.347 billion | Services, spares, upgrades and non-leading-edge Reliant products |
Lam also reported its FY2026 leading- and non-leading-edge equipment and upgrade revenue by customer market: foundry 54%, memory 39% and logic/integrated device manufacturing 7%. That market mix is a view of where specified equipment and upgrade revenue came from; it is not the same measure as the systems-versus-support split in the table.
How other suppliers illustrate different mixes
Applied Materials: a broad portfolio
Applied Materials’ fiscal 2024 filing describes Semiconductor Systems as its largest net-revenue segment. Its Applied Global Services business includes services, spare parts, factory-automation software and some tools sold into 200 mm and other non-leading-edge markets. The filing is older than the Lam and KLA examples, so it is useful for understanding portfolio structure rather than for making a current, like-for-like financial comparison.
KLA: measurement and yield economics
KLA’s 2026 filing describes revenue primarily from product sales and related service contracts. Its emphasis on inspection, metrology, process-control software and yield management shows why “semiconductor equipment” does not mean one uniform product category. A process-control supplier can monetize measurement data and software in addition to selling the inspection or metrology system itself.
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What makes the economics attractive—and difficult
High technical specialization
Equipment must meet demanding requirements for precision, uptime, contamination control and repeatability. Developing a qualified system requires substantial engineering, applications support and customer collaboration. Once a tool is accepted in a production process, the supplier’s detailed knowledge of that configuration can support parts, service and upgrade sales.
Long qualification and switching cycles
Replacing a production tool is not simply a purchasing decision. The customer must install it, qualify the process, verify yield and integrate it with factory controls. Those steps can slow adoption of a new supplier but can also make an established position valuable. The exact length of qualification varies by tool and customer; the cited company filings do not establish one universal timeline.
Exposure to concentrated customers and markets
Large chipmakers account for significant industry spending, and a supplier may have meaningful exposure to foundry, logic or memory customers. A delay by one major customer or a change in technology plans can affect orders. Reported market percentages should therefore be read with the named company, fiscal period and definition attached.
Research and development burden
Process technology changes continually. Suppliers must fund research, development and applications engineering to keep pace with new materials, smaller features, three-dimensional structures and advanced packaging. A product that is technically successful but arrives after a customer’s process decision may miss a major sales opportunity.
How to compare semiconductor equipment companies correctly
Comparisons are useful only when the measures are aligned. Use the following checklist before treating two reported percentages or revenue totals as comparable:
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- Identify the tool specialization. Separate lithography, deposition, etch, cleaning, inspection, metrology, process control and packaging rather than grouping every product as equivalent equipment.
- Separate new systems from support. Check whether a figure includes services, spare parts, upgrades, software, refurbished tools or non-leading-edge products.
- Check the customer-market definition. Foundry, logic, memory and integrated-device-manufacturer categories may be defined differently across filings.
- Check geography and reporting basis. A company may report revenue by customer location, shipment destination, operating segment or another basis. Do not combine those views without reading the company’s definition.
- Keep billings separate from revenue. Orders or industry billings indicate equipment spending activity; they are not automatically the same as a supplier’s recognized sales.
How large is the market?
SEMI reported $117.1 billion in global semiconductor-equipment billings for 2024, according to the U.S. House committee report attributing the figure to SEMI’s April 9, 2025 report. This is a global industry billings figure for 2024, not 2026 market revenue, not one company’s sales and not a company-specific systems-versus-service split. Billings also should not be used as a direct substitute for recognized revenue without checking the underlying definitions and timing.
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Common misconceptions about the revenue model
“They make money only when a new fab opens.”
New-fab and expansion projects are important, but existing fabs also buy parts, service, upgrades, automation and tools for mature processes. Installed-base activity can therefore continue when customers are not building an entirely new site.
“All support revenue is guaranteed recurring revenue.”
Support contracts and parts sales can be repeat business, but the available disclosures do not establish that every support stream is subscription-based or automatically recurring. Demand still depends on tool utilization, contract terms, maintenance choices and the customer’s production plans.
“Every equipment supplier has the same product mix.”
Lam’s deposition, etch and clean systems, KLA’s inspection and metrology focus, and Applied Materials’ broader materials-engineering and packaging portfolio demonstrate materially different models. Industry conclusions must preserve those distinctions.
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The $117.1 billion figure is global 2024 billings across the semiconductor-equipment market as reported by SEMI and cited by the committee source. It cannot be assigned wholesale to any single supplier or used to infer that supplier’s profit, service share or future growth.
Bottom line for investors, analysts and technology readers
Semiconductor-equipment companies monetize a production ecosystem, not just a one-time machine sale. They sell specialized systems into fab investment programs, then support those systems with service, parts, upgrades, software and selected mature-node products. The model can produce valuable installed-base revenue, but total performance remains tied to customers’ capacity plans, technology road maps, market demand, regulation and constraints on manufacturing capacity.
The most reliable way to understand a particular supplier is to read its own segment definitions, fiscal period and customer-market disclosures. Do not merge Lam’s systems/support categories, Applied Materials’ portfolio descriptions and KLA’s product-and-service model into a single “industry average.”
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