Company lists · Data refreshed September 2026
Top 25 Semiconductor package manufacturers based in the United States
RevenueBase identified 121 semiconductor package manufacturers headquartered in the United States as of September 2026 and tracks 28,796 professional contacts across them, including 7,081 with verified work emails. San Jose is the largest hub.
This list covers semiconductor package manufacturers headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest semiconductor package manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 13,067 contacts → | ||||
Strong evidence “GlobalFoundries (GF) is a leading manufacturer of essential semiconductors, enabling AI at scale from the cloud to the physical world.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 2 | 6,435 contacts → | ||||
Strong evidence “Amkor Technology, Inc.(Nasdaq: AMKR) is the world’s largest U.S-headquartered OSAT and is a global leader in outsourced semiconductor packaging and test services.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 3 | 2,011 contacts → | ||||
Indirect evidence “Please consider following the page of Infineon - as we are now Infineon -).” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 4 | 662 contacts → | ||||
Strong evidence “Rochester Electronics is the world’s largest continuous source of semiconductors–100% Authorized by over 70 leading semiconductor manufacturers.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 5 | 517 contacts → | ||||
Partial evidence “PCB Technologies is an All-in-One Solutions provider of high-mix multilayer rigid, rigid-flex and multi-flex PCBs, Substrates, IC Packaging, complex electronic component…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 6 | 384 contacts → | ||||
Partial evidence “Alpha and Omega Semiconductor Limited, or AOS, is a designer, developer, and global supplier of a broad range of discrete power devices, wide bandgap power devices, power…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 7 | 280 contacts → | ||||
Indirect evidence “With the acquisition of R&D Altanova by Advantest, I am pleased I am now part of Advantest Interconnect Solutions (AIS).” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 8 | 217 contacts → | ||||
Partial evidence “Our mission: to deliver secure, reliable, state-of-the-art semiconductors and semiconductor services with unwavering integrity.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 9 | 181 contacts → | ||||
Indirect evidence “Deca was born of a passion to transform the way the world builds advanced electronic devices.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 10 | 147 contacts → | ||||
Indirect evidence “For over 400 years, intrepid mariners have embarked on long journeys into uncharted waters.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 11 | 132 contacts → | ||||
Partial evidence “ISE Labs is a one-stop semiconductor engineering service provider.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 12 | 126 contacts → | ||||
Strong evidence “Micro Commercial Components (MCC) is a leading integrated device manufacturer (IDM) of power discrete semiconductors worldwide.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 13 | 109 contacts → | ||||
Strong evidence “The world's 1st glass substrate manufacturer and a leading provider of advanced packaging technologies and services, offering scalable solutions for businesses of high-performance…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 14 | 103 contacts → | ||||
Indirect evidence “GSME is a leading-edge global supplier of integrated-circuit design & manufacturing solutions.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 15 | 98 contacts → | ||||
Strong evidence “The Semiconductor Components Group provides custom and off-the-shelf packaging options in ceramic and organic material sets.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 16 | 83 contacts → | ||||
Strong evidence “SSDI is a world-renowned leader in the design, manufacture, and marketing of semiconductors, assemblies, and modules.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 17 | 71 contacts → | ||||
Partial evidence “SANTIER is a world-class designer and manufacturer of microelectronic housings and assemblies based in San Diego, California.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 18 | 68 contacts → | ||||
Strong evidence “RJR Technologies is a leading developer and high-volume manufacturer of air cavity, near-hermetic LCP (plastic) semiconductor packaging solutions, including pre-applied B-stage…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 19 | 67 contacts → | ||||
Strong evidence “AXT designs, develops, manufactures and distributes high performance compound and single element semiconductor substrates comprising gallium arsenide, indium phosphide and…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 20 | 66 contacts → | ||||
Strong evidence “NHanced Semiconductors is pioneering the future of advanced chip packaging.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 21 | 59 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 22 | 52 contacts → | ||||
Partial evidence “At Saras Micro Devices, we are transforming the way power is delivered to advanced semiconductor devices to maximize the computing power for cutting-edge, data-intensive…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 23 | 52 contacts → | ||||
Indirect evidence “Bema Electronics is a premier provider of electronics manufacturing services offering our customers the most advanced techniques in surface mount technology, ball-grid array…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 24 | 51 contacts → | ||||
Strong evidence “ShinDengen is a leading global manufacturer of power semiconductor devices and electronic components.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 25 | 45 contacts → | ||||
Indirect evidence “Six Sigma Microelectronics, part of Winslow Automation, Inc, has over 35 years of experience providing high-reliability integrated circuit solutions for military and space…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: semiconductor package manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names semiconductor package manufacturers.
- Partial evidence
- Its own public description names part of semiconductor package manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name semiconductor package manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 121 semiconductor package manufacturers based in the United States
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Semiconductor package manufacturers based in the United States at a glance
As of Sep 17, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 121 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among semiconductor package manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “semiconductor package manufacturers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names semiconductor package manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among semiconductor package manufacturers, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 7,081 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 17, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names semiconductor package manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many semiconductor package manufacturers are there based in the United States?
RevenueBase identified 121 semiconductor package manufacturers headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Globalfoundries, headquartered in Malta, tops this list with the largest team on record.
Which city has the most semiconductor package manufacturers?
San Jose leads with 8 headquartered companies, followed by Fremont (7) and Tempe (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 7,081 verified decision-maker contacts tracked across these 121 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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