Company lists · Data refreshed October 2026
Top 25 Custom assembly manufacturers based in the United States
RevenueBase identified 1,549 company matches for custom assembly manufacturers associated with the United States as of October 2026 and tracks 29,711 professional contacts across them, including 7,679 with verified work emails. San Jose is the largest hub.
This list covers company matches for custom assembly manufacturers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 11, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 custom assembly manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 989 contacts → | ||||
Exact match “Janicki is a privately-owned engineering and manufacturing company with locations in Washington and Utah.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 2 | 950 contacts → | ||||
Exact match “We are more than just a manufacturing and fabricating company.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 3 | 918 contacts → | ||||
Exact match “Nelson Global designs, manufactures, and distributes custom solutions for customers across crucial industries worldwide.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 4 | 834 contacts → | ||||
Exact match “Keytronic is a value-added contract manufacturer to some of the world’s leading OEMs.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 5 | 587 contacts → | ||||
Exact match “FM Industries, Inc.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 6 | 522 contacts → | ||||
Exact match “Founded in 1973, Tessy Plastics is a global contract manufacturer headquartered in Skaneateles, NY, specializing in injection molding and custom automated assembly solutions.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 7 | 496 contacts → | ||||
Exact match “As a global supplier of precision engineered assemblies, we design, engineer and manufacture things that move.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 8 | 431 contacts → | ||||
Exact match “Rapid Manufacturing is a global electronics manufacturing company specialist in electronic custom-designed wire & cable harnesses, electro-mechanical, and box build assemblies for…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 9 | 292 contacts → | ||||
Exact match “Ascentec Engineering was founded in 2001 by a team of process and manufacturing engineers all with a solid background in electronics manufacturing processes.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 10 | 261 contacts → | ||||
Exact match “Penn United provides MANUFACTURING SOLUTIONS for customers needing precision components or precision-assembled products.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 11 | 252 contacts → | ||||
Exact match “NIC Global is a single-source manufacturer providing turn-key mechanical and electromechanical assembly, expert sheet metal fabrication, and global sourcing of metal and plastic…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 12 | 251 contacts → | ||||
Exact match “i3 Assembly LLC is dedicated to advancing our competitive excellence from development through full-scale production manufacturing.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 13 | 238 contacts → | ||||
Exact match “Full-service manufacturer.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 14 | 237 contacts → | ||||
Exact match “Morton Industries is a leading manufacturer of Fabricated Tube and Sheet Metal Assemblies.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 15 | 231 contacts → | ||||
Exact match “Established in 1946, Major Tool & Machine started business as a custom job shop specializing in the production of tooling and aircraft ground support equipment and has since…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 16 | 194 contacts → | ||||
Exact match “Since 1984, MASS has excelled in the custom contract manufacture of electronic chassis, frames, fabrications and turn-key electro-mechanical assemblies built to customer…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 17 | 193 contacts → | ||||
Exact match “Mega Techway was founded in 2004 to specialize in contract manufacturing of custom cable assemblies, wire harnesses, and electromechanical interconnect assemblies to meet a wide…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 18 | 185 contacts → | ||||
Exact match “KSM Electronics, Inc.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 19 | 171 contacts → | ||||
Exact match “Matric Group is a contract manufacturer of electronic assemblies, offering world-class Electronic Manufacturing Services (EMS) with personalized customer support, working closely…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 20 | 171 contacts → | ||||
Exact match “UPG is a US based Original Design Manufacturer (ODM), contract manufacturer, and plastics injection molder.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 21 | 166 contacts → | ||||
Exact match “Amphenol Alden provides innovative connector products and solutions that deliver outstanding performance and reliability in every application.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 22 | 161 contacts → | ||||
Exact match “Chandler aims to be the supplier of choice for those customers within the Aerospace, Defense, Industrial, Medical, Electronic Connectors and other markets who are seeking a…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 23 | 156 contacts → | ||||
Exact match “Mecha specializes in the design, analysis, and manufacturing of metal products for the embedded computer industry.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 24 | 146 contacts → | ||||
Exact match “Keller Technology Corporation offers a variety of contract manufacturing services providing custom solutions for your business.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
| 25 | 145 contacts → | ||||
Exact match “Your Advanced Manufacturing Partner.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “custom assembly manufacturers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,549 custom assembly manufacturers based in the United States
See the full list, filter by size, metro and specialty, and access 7,679 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Custom assembly manufacturers based in the United States at a glance
As of Oct 11, 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 1,549 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “custom assembly manufacturers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 7,679 professional contacts with verified work emails across the full matched dataset. 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 October 11, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Custom assembly manufacturers by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “custom assembly manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many custom assembly manufacturers are there based in the United States?
RevenueBase identified 1,549 company matches for custom assembly manufacturers associated with the United States as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Janicki tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most custom assembly manufacturers?
San Jose leads with 32 company records, followed by Fremont (19) and Rochester (16).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 7,679 professional contacts with verified work emails tracked across these 1,549 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 11, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,549 custom assembly manufacturers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Custom assembly manufacturers by geography
- Custom assembly manufacturers based in San Jose, United States
- Custom assembly manufacturers based in Australia
- Custom assembly manufacturers based in Belgium
- Custom assembly manufacturers based in Brazil
- Custom assembly manufacturers based in Canada
- Custom assembly manufacturers based in China
- Custom assembly manufacturers based in Czechia
- Custom assembly manufacturers based in France
- Custom assembly manufacturers based in Germany
- Custom assembly manufacturers based in India
- Custom assembly manufacturers based in Israel
- Custom assembly manufacturers based in Italy
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 SmartSearch, 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Custom assembly manufacturers based in San Jose, United States
- Custom assembly manufacturers based in Australia
- Custom assembly manufacturers based in Belgium
- Custom assembly manufacturers based in Brazil
- Custom assembly manufacturers based in Canada
- Custom assembly manufacturers based in China
Company intelligence · public preview
Top 25 custom assembly manufacturers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,549 matching company records for custom assembly manufacturers based in the United States, with 29,711 tracked contacts and 7,679 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 11, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 custom assembly manufacturers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Janickijanicki.comHQ: Sedro-woolley, WA, United StatesReported employees: 1,001-5,000 | Sedro-woolley, WA, United States | 1,001-5,000 | Exact match | 989 contacts → |
“Janicki is a privately-owned engineering and manufacturing company with locations in Washington and Utah.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  MEC Mayville Engineering Company, INCmecinc.comHQ: Mayville, WI, United StatesReported employees: 1,001-5,000 | Mayville, WI, United States | 1,001-5,000 | Exact match | 950 contacts → |
“We are more than just a manufacturing and fabricating company.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Nelson Globalnelsongp.comHQ: Stoughton, WI, United StatesReported employees: 1,001-5,000 | Stoughton, WI, United States | 1,001-5,000 | Exact match | 918 contacts → |
“Nelson Global designs, manufactures, and distributes custom solutions for customers across crucial industries worldwide.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Keytronickeytronic.comHQ: Spokane Valley, WA, United StatesReported employees: 1,001-5,000 | Spokane Valley, WA, United States | 1,001-5,000 | Exact match | 834 contacts → |
“Keytronic is a value-added contract manufacturer to some of the world’s leading OEMs.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | FM Industriesfmindustries.com HQ: Fremont, CA, United StatesReported employees: 201-500 | Fremont, CA, United States | 201-500 | Exact match | 587 contacts → |
“FM Industries, Inc.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Tessy Plastics Corptessy.com HQ: Skaneateles, NY, United StatesReported employees: 1,001-5,000 | Skaneateles, NY, United States | 1,001-5,000 | Exact match | 522 contacts → |
“Founded in 1973, Tessy Plastics is a global contract manufacturer headquartered in Skaneateles, NY, specializing in injection molding and custom automated assembly solutions.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Gill Industriesgill-industries.comHQ: Grand Rapids, MI, United StatesReported employees: 1,001-5,000 | Grand Rapids, MI, United States | 1,001-5,000 | Exact match | 496 contacts → |
“As a global supplier of precision engineered assemblies, we design, engineer and manufacture things that move.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Rapid Manufacturingrapidmfg.com HQ: Anaheim, CA, United StatesReported employees: 1,001-5,000 | Anaheim, CA, United States | 1,001-5,000 | Exact match | 431 contacts → |
“Rapid Manufacturing is a global electronics manufacturing company specialist in electronic custom-designed wire & cable harnesses, electro-mechanical, and box build assemblies for…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Ascentec Engineering, LLCascenteceng.comHQ: Tualatin, OR, United StatesReported employees: 201-500 | Tualatin, OR, United States | 201-500 | Exact match | 292 contacts → |
“Ascentec Engineering was founded in 2001 by a team of process and manufacturing engineers all with a solid background in electronics manufacturing processes.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Penn United Technologies, INCpennunited.comHQ: Cabot, PA, United StatesReported employees: 501-1,000 | Cabot, PA, United States | 501-1,000 | Exact match | 261 contacts → |
“Penn United provides MANUFACTURING SOLUTIONS for customers needing precision components or precision-assembled products.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | NIC Global Manufacturing Solutionsnicglobalms.com HQ: Woodinville, WA, United StatesReported employees: 501-1,000 | Woodinville, WA, United States | 501-1,000 | Exact match | 252 contacts → |
“NIC Global is a single-source manufacturer providing turn-key mechanical and electromechanical assembly, expert sheet metal fabrication, and global sourcing of metal and plastic…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  I3 Assemblyi3electronics.comHQ: Binghamton, NY, United StatesReported employees: 201-500 | Binghamton, NY, United States | 201-500 | Exact match | 251 contacts → |
“i3 Assembly LLC is dedicated to advancing our competitive excellence from development through full-scale production manufacturing.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Intervala, LLCintervala.comHQ: Mount Pleasant, PA, United StatesReported employees: 201-500 | Mount Pleasant, PA, United States | 201-500 | Exact match | 238 contacts → |
“Full-service manufacturer.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Morton Industriesmortonind.comHQ: Morton, IL, United StatesReported employees: 501-1,000 | Morton, IL, United States | 501-1,000 | Exact match | 237 contacts → |
“Morton Industries is a leading manufacturer of Fabricated Tube and Sheet Metal Assemblies.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Major Tool & Machinemajortool.comHQ: Indianapolis, IN, United StatesReported employees: 201-500 | Indianapolis, IN, United States | 201-500 | Exact match | 231 contacts → |
“Established in 1946, Major Tool & Machine started business as a custom job shop specializing in the production of tooling and aircraft ground support equipment and has since…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Mass Precision, INCmassprecision.comHQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 194 contacts → |
“Since 1984, MASS has excelled in the custom contract manufacture of electronic chassis, frames, fabrications and turn-key electro-mechanical assemblies built to customer…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Mega Techway, INCmegatechway.com HQ: Mayfield Village, OH, United StatesReported employees: 1,001-5,000 | Mayfield Village, OH, United States | 1,001-5,000 | Exact match | 193 contacts → |
“Mega Techway was founded in 2004 to specialize in contract manufacturing of custom cable assemblies, wire harnesses, and electromechanical interconnect assemblies to meet a wide…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | KSM Electronics INCksmelectronics.com HQ: Tamarac, FL, United StatesReported employees: 201-500 | Tamarac, FL, United States | 201-500 | Exact match | 185 contacts → |
“KSM Electronics, Inc.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Matric Groupmatricgroup.comHQ: Seneca, PA, United StatesReported employees: 201-500 | Seneca, PA, United States | 201-500 | Exact match | 171 contacts → |
“Matric Group is a contract manufacturer of electronic assemblies, offering world-class Electronic Manufacturing Services (EMS) with personalized customer support, working closely…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  UPGupgintl.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 171 contacts → |
“UPG is a US based Original Design Manufacturer (ODM), contract manufacturer, and plastics injection molder.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Amphenol Aldenamphenolalden.comHQ: Stoughton, MA, United StatesReported employees: 201-500 | Stoughton, MA, United States | 201-500 | Exact match | 166 contacts → |
“Amphenol Alden provides innovative connector products and solutions that deliver outstanding performance and reliability in every application.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Chandler Industrieschandlerindustries.com HQ: Blaine, MN, United StatesReported employees: 201-500 | Blaine, MN, United States | 201-500 | Exact match | 161 contacts → |
“Chandler aims to be the supplier of choice for those customers within the Aerospace, Defense, Industrial, Medical, Electronic Connectors and other markets who are seeking a…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Mecha INCmechainc.com HQ: Raleigh, NC, United StatesReported employees: Not recorded | Raleigh, NC, United States | Not recorded | Exact match | 156 contacts → |
“Mecha specializes in the design, analysis, and manufacturing of metal products for the embedded computer industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Keller Technology Corporationkellertechnology.com HQ: Tonawanda, NY, United StatesReported employees: 201-500 | Tonawanda, NY, United States | 201-500 | Exact match | 146 contacts → |
“Keller Technology Corporation offers a variety of contract manufacturing services providing custom solutions for your business.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Lake AIR Productslakeairmetals.comHQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 145 contacts → |
“Your Advanced Manufacturing Partner.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,549 company matches
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Custom assembly manufacturers: dataset insights
October 11, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,549 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,549 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 11, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Custom assembly manufacturers by metro
Questions about this company list
What does Exact match mean for custom assembly manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many custom assembly manufacturers did RevenueBase find based in the United States?
The saved snapshot records 1,549 matching company records, 29,711 tracked contacts and 7,679 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 11, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Custom assembly manufacturers by geography
- Custom assembly manufacturers based in San Jose, United States
- Custom assembly manufacturers based in Australia
- Custom assembly manufacturers based in Belgium
- Custom assembly manufacturers based in Brazil
- Custom assembly manufacturers based in Canada
- Custom assembly manufacturers based in China
- Custom assembly manufacturers based in Czechia
- Custom assembly manufacturers based in France
- Custom assembly manufacturers based in Germany
- Custom assembly manufacturers based in India
- Custom assembly manufacturers based in Israel
- Custom assembly manufacturers based in Italy
Cite this list
RevenueBase Data Team. Top 25 custom assembly manufacturers based in the United States. Snapshot: October 11, 2026. https://revenuebase.ai/companies/custom-assembly-manufacturers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Custom assembly manufacturers based in San Jose, United States
- Custom assembly manufacturers based in Australia
- Custom assembly manufacturers based in Belgium
- Custom assembly manufacturers based in Brazil
- Custom assembly manufacturers based in Canada
- Custom assembly manufacturers based in China
Company intelligence · public preview
Top 25 custom assembly manufacturers based in the United States
RevenueBase records 1,549 matching company records for custom assembly manufacturers based in the United States, with 29,711 tracked contacts and 7,679 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 11, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 custom assembly manufacturers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Janickijanicki.com HQ: Sedro-woolley, WA, United StatesReported employees: 1,001-5,000 | Sedro-woolley, WA, United States | 1,001-5,000 | Exact match | 989 contacts → |
“Janicki is a privately-owned engineering and manufacturing company with locations in Washington and Utah.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | MEC Mayville Engineering Company, INCmecinc.com HQ: Mayville, WI, United StatesReported employees: 1,001-5,000 | Mayville, WI, United States | 1,001-5,000 | Exact match | 950 contacts → |
“We are more than just a manufacturing and fabricating company.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Nelson Globalnelsongp.com HQ: Stoughton, WI, United StatesReported employees: 1,001-5,000 | Stoughton, WI, United States | 1,001-5,000 | Exact match | 918 contacts → |
“Nelson Global designs, manufactures, and distributes custom solutions for customers across crucial industries worldwide.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Keytronickeytronic.com HQ: Spokane Valley, WA, United StatesReported employees: 1,001-5,000 | Spokane Valley, WA, United States | 1,001-5,000 | Exact match | 834 contacts → |
“Keytronic is a value-added contract manufacturer to some of the world’s leading OEMs.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | FM Industriesfmindustries.com HQ: Fremont, CA, United StatesReported employees: 201-500 | Fremont, CA, United States | 201-500 | Exact match | 587 contacts → |
“FM Industries, Inc.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Tessy Plastics Corptessy.com HQ: Skaneateles, NY, United StatesReported employees: 1,001-5,000 | Skaneateles, NY, United States | 1,001-5,000 | Exact match | 522 contacts → |
“Founded in 1973, Tessy Plastics is a global contract manufacturer headquartered in Skaneateles, NY, specializing in injection molding and custom automated assembly solutions.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Gill Industriesgill-industries.com HQ: Grand Rapids, MI, United StatesReported employees: 1,001-5,000 | Grand Rapids, MI, United States | 1,001-5,000 | Exact match | 496 contacts → |
“As a global supplier of precision engineered assemblies, we design, engineer and manufacture things that move.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Rapid Manufacturingrapidmfg.com HQ: Anaheim, CA, United StatesReported employees: 1,001-5,000 | Anaheim, CA, United States | 1,001-5,000 | Exact match | 431 contacts → |
“Rapid Manufacturing is a global electronics manufacturing company specialist in electronic custom-designed wire & cable harnesses, electro-mechanical, and box build assemblies for…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ascentec Engineering, LLCascenteceng.com HQ: Tualatin, OR, United StatesReported employees: 201-500 | Tualatin, OR, United States | 201-500 | Exact match | 292 contacts → |
“Ascentec Engineering was founded in 2001 by a team of process and manufacturing engineers all with a solid background in electronics manufacturing processes.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Penn United Technologies, INCpennunited.com HQ: Cabot, PA, United StatesReported employees: 501-1,000 | Cabot, PA, United States | 501-1,000 | Exact match | 261 contacts → |
“Penn United provides MANUFACTURING SOLUTIONS for customers needing precision components or precision-assembled products.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | NIC Global Manufacturing Solutionsnicglobalms.com HQ: Woodinville, WA, United StatesReported employees: 501-1,000 | Woodinville, WA, United States | 501-1,000 | Exact match | 252 contacts → |
“NIC Global is a single-source manufacturer providing turn-key mechanical and electromechanical assembly, expert sheet metal fabrication, and global sourcing of metal and plastic…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | I3 Assemblyi3electronics.com HQ: Binghamton, NY, United StatesReported employees: 201-500 | Binghamton, NY, United States | 201-500 | Exact match | 251 contacts → |
“i3 Assembly LLC is dedicated to advancing our competitive excellence from development through full-scale production manufacturing.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Intervala, LLCintervala.com HQ: Mount Pleasant, PA, United StatesReported employees: 201-500 | Mount Pleasant, PA, United States | 201-500 | Exact match | 238 contacts → |
“Full-service manufacturer.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Morton Industriesmortonind.com HQ: Morton, IL, United StatesReported employees: 501-1,000 | Morton, IL, United States | 501-1,000 | Exact match | 237 contacts → |
“Morton Industries is a leading manufacturer of Fabricated Tube and Sheet Metal Assemblies.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Major Tool & Machinemajortool.com HQ: Indianapolis, IN, United StatesReported employees: 201-500 | Indianapolis, IN, United States | 201-500 | Exact match | 231 contacts → |
“Established in 1946, Major Tool & Machine started business as a custom job shop specializing in the production of tooling and aircraft ground support equipment and has since…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Mass Precision, INCmassprecision.com HQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 194 contacts → |
“Since 1984, MASS has excelled in the custom contract manufacture of electronic chassis, frames, fabrications and turn-key electro-mechanical assemblies built to customer…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Mega Techway, INCmegatechway.com HQ: Mayfield Village, OH, United StatesReported employees: 1,001-5,000 | Mayfield Village, OH, United States | 1,001-5,000 | Exact match | 193 contacts → |
“Mega Techway was founded in 2004 to specialize in contract manufacturing of custom cable assemblies, wire harnesses, and electromechanical interconnect assemblies to meet a wide…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | KSM Electronics INCksmelectronics.com HQ: Tamarac, FL, United StatesReported employees: 201-500 | Tamarac, FL, United States | 201-500 | Exact match | 185 contacts → |
“KSM Electronics, Inc.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Matric Groupmatricgroup.com HQ: Seneca, PA, United StatesReported employees: 201-500 | Seneca, PA, United States | 201-500 | Exact match | 171 contacts → |
“Matric Group is a contract manufacturer of electronic assemblies, offering world-class Electronic Manufacturing Services (EMS) with personalized customer support, working closely…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | UPGupgintl.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 171 contacts → |
“UPG is a US based Original Design Manufacturer (ODM), contract manufacturer, and plastics injection molder.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Amphenol Aldenamphenolalden.com HQ: Stoughton, MA, United StatesReported employees: 201-500 | Stoughton, MA, United States | 201-500 | Exact match | 166 contacts → |
“Amphenol Alden provides innovative connector products and solutions that deliver outstanding performance and reliability in every application.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Chandler Industrieschandlerindustries.com HQ: Blaine, MN, United StatesReported employees: 201-500 | Blaine, MN, United States | 201-500 | Exact match | 161 contacts → |
“Chandler aims to be the supplier of choice for those customers within the Aerospace, Defense, Industrial, Medical, Electronic Connectors and other markets who are seeking a…” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Mecha INCmechainc.com HQ: Raleigh, NC, United StatesReported employees: Not recorded | Raleigh, NC, United States | Not recorded | Exact match | 156 contacts → |
“Mecha specializes in the design, analysis, and manufacturing of metal products for the embedded computer industry.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Keller Technology Corporationkellertechnology.com HQ: Tonawanda, NY, United StatesReported employees: 201-500 | Tonawanda, NY, United States | 201-500 | Exact match | 146 contacts → |
“Keller Technology Corporation offers a variety of contract manufacturing services providing custom solutions for your business.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Lake AIR Productslakeairmetals.com HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 145 contacts → |
“Your Advanced Manufacturing Partner.” Recorded description excerpt · October 11, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Custom assembly manufacturers: dataset insights
October 11, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,549 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,549 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 11, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Custom assembly manufacturers by metro
Questions about this company list
What does Exact match mean for custom assembly manufacturers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many custom assembly manufacturers did RevenueBase find based in the United States?
The saved snapshot records 1,549 matching company records, 29,711 tracked contacts and 7,679 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 11, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Custom assembly manufacturers by geography
- Custom assembly manufacturers based in San Jose, United States
- Custom assembly manufacturers based in Australia
- Custom assembly manufacturers based in Belgium
- Custom assembly manufacturers based in Brazil
- Custom assembly manufacturers based in Canada
- Custom assembly manufacturers based in China
- Custom assembly manufacturers based in Czechia
- Custom assembly manufacturers based in France
- Custom assembly manufacturers based in Germany
- Custom assembly manufacturers based in India
- Custom assembly manufacturers based in Israel
- Custom assembly manufacturers based in Italy
Cite this list
RevenueBase Data Team. Top 25 custom assembly manufacturers based in the United States. Snapshot: October 11, 2026. https://revenuebase.ai/companies/custom-assembly-manufacturers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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