Company lists · Data refreshed November 2026
Top 24 Assembly and testing services based in the United States
RevenueBase identified 374 company matches for assembly and testing services associated with the United States as of November 2026 and tracks 8,274 professional contacts across them, including 1,629 with verified work emails. San Jose is the largest hub.
This list covers company matches for assembly and testing services 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 November 6, 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 24 largest assembly and testing services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 442 contacts → | ||||
Exact match “Mack Technologies is a leading supplier of printed circuit board assembly, systems assembly, and electronics contract manufacturing services for the defense, communications…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 174 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 142 contacts → | ||||
Exact match “In 1969, DFF began serving customers with quality development and low-quantity production services-on time and at competitive prices.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 136 contacts → | ||||
Exact match “ISE Labs is a one-stop semiconductor engineering service provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 127 contacts → | ||||
Exact match “Krypton Solutions provides high speed, precision printed circuit board assembly within our locations in Plano, TX, and Bangalore, India.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 108 contacts → | ||||
Exact match “DIT-MCO International's proven automated product testing solutions for wired assemblies provide reliable service to industrial, commercial, and military customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 107 contacts → | ||||
Exact match “Ansen Corporation is an ISO 9001:2008 and ISO 13485:2003 certified Electronics Manufacturing Services provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 106 contacts → | ||||
Exact match “FULL EMS SERVICES We provide full professional EMS (Electronic Contract Manufacturing) Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 91 contacts → | ||||
Exact match “4FRONT Solutions is a full-service EMS provider with world-class manufacturing locations in Erie, PA and DeLand, FL.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 82 contacts → | ||||
Exact match “Aimtron Corporation specializes in the Electronic Manufacturing Services since 2009.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 76 contacts → | ||||
Exact match “At Prime EMS, we are committed to servicing you and your company’s requirements to the highest level.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 76 contacts → | ||||
Exact match “DISTRON CORPORATION is a New England based provider of electronic contract manufacturing services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 74 contacts → | ||||
Exact match “Ayrshire Electronics is a diverse, highly capable full service EMS (Electronic Manufacturing Services) Company offering cost effective end-to-end manufacturing solutions from…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 64 contacts → | ||||
Exact match “Sunburst EMS is a flexible, full-service provider of a full range of electronic manufacturing services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 63 contacts → | ||||
Exact match “Murrietta Circuits is a high reliability, turnkey supplier of PCB Electronic Manufacturing Services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 63 contacts → | ||||
Exact match “ADCO Circuits, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 58 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 57 contacts → | ||||
Exact match “Forma brings together the ideal combination of manufacturing and assembly experience, human resource expertise, and continuous improvement culture.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 51 contacts → | ||||
Exact match “Laritech is a leading provider of quick-turn printed circuit board assembly (PCBA) and embedded systems design specializing in rapid prototyping, full engineering services, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 51 contacts → | ||||
Exact match “STI Electronics, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 50 contacts → | ||||
Exact match “ONE-SOURCE SOLUTION FOR ASSEMBLIES.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 49 contacts → | ||||
Exact match “Lotus International Company is a U.S-based contract manufacturer and full-lifecycle services partner in Canton, Michigan.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 49 contacts → | ||||
Exact match “Evolve Manufacturing Technologies is a contract manufacturer that offers innovative end-to-end manufacturing services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 49 contacts → | ||||
Exact match “QES Solutions is a 100% Woman Owned, flexible quality outsourcing company with a fully trained staff available to meet your needs 24 hours a day.” Recorded in the RevenueBase company graph · Nov 6, 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 “assembly and testing services”. 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 24 of 374 assembly and testing services based in the United States
See the full list, filter by size, metro and specialty, and access 1,629 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Assembly and testing services based in the United States at a glance
As of Nov 6, 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 374 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 “assembly and testing services” 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 1,629 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 November 6, 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.
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 “assembly and testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many assembly and testing services are there based in the United States?
RevenueBase identified 374 company matches for assembly and testing services associated with the United States as of November 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?
Mack Technologies tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most assembly and testing services?
San Jose leads with 16 company records, followed by Fremont (10) and Santa Clara (8).
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 1,629 professional contacts with verified work emails tracked across these 374 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 374 assembly and testing services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Assembly and testing services by geography
- Assembly and testing services based in Brazil
- Assembly and testing services based in Canada
- Assembly and testing services based in France
- Assembly and testing services based in Germany
- Assembly and testing services based in India
- Assembly and testing services based in Italy
- Assembly and testing services based in Poland
- Assembly and testing services based in Spain
- Assembly and testing services based in the United Kingdom
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
- Assembly and testing services based in Brazil
- Assembly and testing services based in Canada
- Assembly and testing services based in France
- Assembly and testing services based in Germany
- Assembly and testing services based in India
- Assembly and testing services based in Italy
Company intelligence · public preview
Top 24 assembly and testing services 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 374 matching company records for assembly and testing services based in the United States, with 8,274 tracked contacts and 1,629 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 24 assembly and testing services 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 |  Mack Technologiesmacktech.comHQ: Westford, FL, United StatesReported employees: 1,001-5,000 | Westford, FL, United States | 1,001-5,000 | Exact match | 442 contacts → |
“Mack Technologies is a leading supplier of printed circuit board assembly, systems assembly, and electronics contract manufacturing services for the defense, communications…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Matric Groupmatricgroup.comHQ: Seneca, PA, United StatesReported employees: 201-500 | Seneca, PA, United States | 201-500 | Exact match | 174 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  DFF Corporation, A Cadrex Companydffcorp.comHQ: Agawam, MA, United StatesReported employees: 201-500 | Agawam, MA, United States | 201-500 | Exact match | 142 contacts → |
“In 1969, DFF began serving customers with quality development and low-quantity production services-on time and at competitive prices.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  ISE Labs ASEiselabs.comHQ: Fremont, CA, United StatesReported employees: 51-200 | Fremont, CA, United States | 51-200 | Exact match | 136 contacts → |
“ISE Labs is a one-stop semiconductor engineering service provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Krypton Solutionskrypton-solutions.comHQ: Plano, TX, United StatesReported employees: 201-500 | Plano, TX, United States | 201-500 | Exact match | 127 contacts → |
“Krypton Solutions provides high speed, precision printed circuit board assembly within our locations in Plano, TX, and Bangalore, India.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Dit-Mco Internationalditmco.comHQ: Kansas City, MO, United StatesReported employees: 51-200 | Kansas City, MO, United States | 51-200 | Exact match | 108 contacts → |
“DIT-MCO International's proven automated product testing solutions for wired assemblies provide reliable service to industrial, commercial, and military customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Ansen Corporationansencorp.comHQ: Ogdensburg, NY, United StatesReported employees: 201-500 | Ogdensburg, NY, United States | 201-500 | Exact match | 107 contacts → |
“Ansen Corporation is an ISO 9001:2008 and ISO 13485:2003 certified Electronics Manufacturing Services provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Infiniti Solutionsinfinitisolutions.comHQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 106 contacts → |
“FULL EMS SERVICES We provide full professional EMS (Electronic Contract Manufacturing) Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  4front Solutions, LLC4frontsolutions.comHQ: Deland, PA, United StatesReported employees: 201-500 | Deland, PA, United States | 201-500 | Exact match | 91 contacts → |
“4FRONT Solutions is a full-service EMS provider with world-class manufacturing locations in Erie, PA and DeLand, FL.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Aimtron Corporationaimtron.comHQ: Palatine, United StatesReported employees: 201-500 | Palatine, United States | 201-500 | Exact match | 82 contacts → |
“Aimtron Corporation specializes in the Electronic Manufacturing Services since 2009.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Prime Technological Servicesprime-ems.comHQ: Suwanee, GA, United StatesReported employees: 201-500 | Suwanee, GA, United States | 201-500 | Exact match | 76 contacts → |
“At Prime EMS, we are committed to servicing you and your company’s requirements to the highest level.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Distron Corporationdistron.comHQ: Attleboro Falls, MA, United StatesReported employees: 51-200 | Attleboro Falls, MA, United States | 51-200 | Exact match | 76 contacts → |
“DISTRON CORPORATION is a New England based provider of electronic contract manufacturing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Ayrshire Electronicsayrshireusa.comHQ: Louisville, KY, United StatesReported employees: 501-1,000 | Louisville, KY, United States | 501-1,000 | Exact match | 74 contacts → |
“Ayrshire Electronics is a diverse, highly capable full service EMS (Electronic Manufacturing Services) Company offering cost effective end-to-end manufacturing solutions from…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Sunburst EMSsunburstems.comHQ: West Bridgewater, FL, United StatesReported employees: 51-200 | West Bridgewater, FL, United States | 51-200 | Exact match | 64 contacts → |
“Sunburst EMS is a flexible, full-service provider of a full range of electronic manufacturing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Murrietta Circuitsmurrietta.comHQ: Anaheim, CA, United StatesReported employees: 51-200 | Anaheim, CA, United States | 51-200 | Exact match | 63 contacts → |
“Murrietta Circuits is a high reliability, turnkey supplier of PCB Electronic Manufacturing Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Adco Circuitsadcocircuits.comHQ: Rochester Hills, MI, United StatesReported employees: 51-200 | Rochester Hills, MI, United States | 51-200 | Exact match | 63 contacts → |
“ADCO Circuits, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Janco Electronics INCjanco-electronics.comHQ: Rollinsford, NH, United StatesReported employees: 51-200 | Rollinsford, NH, United States | 51-200 | Exact match | 58 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  FORMAformaautomotive.comHQ: San Antonio, TX, United StatesReported employees: 201-500 | San Antonio, TX, United States | 201-500 | Exact match | 57 contacts → |
“Forma brings together the ideal combination of manufacturing and assembly experience, human resource expertise, and continuous improvement culture.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Laritech, Inc.laritech.comHQ: Moorpark, FL, United StatesReported employees: 51-200 | Moorpark, FL, United States | 51-200 | Exact match | 51 contacts → |
“Laritech is a leading provider of quick-turn printed circuit board assembly (PCBA) and embedded systems design specializing in rapid prototyping, full engineering services, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  STI Electronics INCstiusa.comHQ: Madison, AL, United StatesReported employees: 51-200 | Madison, AL, United States | 51-200 | Exact match | 51 contacts → |
“STI Electronics, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Interstate Assembly Systemsassemblysystems.comHQ: Marshfield, KS, United StatesReported employees: 51-200 | Marshfield, KS, United States | 51-200 | Exact match | 50 contacts → |
“ONE-SOURCE SOLUTION FOR ASSEMBLIES.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Lotus International Companylicus.comHQ: Canton, MI, United StatesReported employees: 501-1,000 | Canton, MI, United States | 501-1,000 | Exact match | 49 contacts → |
“Lotus International Company is a U.S-based contract manufacturer and full-lifecycle services partner in Canton, Michigan.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Evolve Manufacturingevolvemfg.comHQ: Fremont, CA, United StatesReported employees: 51-200 | Fremont, CA, United States | 51-200 | Exact match | 49 contacts → |
“Evolve Manufacturing Technologies is a contract manufacturer that offers innovative end-to-end manufacturing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  QES Solutions, INCqessolutions.comHQ: Rochester, NY, United StatesReported employees: 51-200 | Rochester, NY, United States | 51-200 | Exact match | 49 contacts → |
“QES Solutions is a 100% Woman Owned, flexible quality outsourcing company with a fully trained staff available to meet your needs 24 hours a day.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 374 company matches
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Assembly and testing services: dataset insights
November 6, 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
373 records in the displayed employee bands.
1 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 374 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: November 6, 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 ↗
Questions about this company list
What does Exact match mean for assembly and testing services?
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 assembly and testing services did RevenueBase find based in the United States?
The saved snapshot records 374 matching company records, 8,274 tracked contacts and 1,629 verified emails. The public preview displays 24 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: November 6, 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
Assembly and testing services by geography
- Assembly and testing services based in Brazil
- Assembly and testing services based in Canada
- Assembly and testing services based in France
- Assembly and testing services based in Germany
- Assembly and testing services based in India
- Assembly and testing services based in Italy
- Assembly and testing services based in Poland
- Assembly and testing services based in Spain
- Assembly and testing services based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 24 assembly and testing services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/assembly-and-testing-services/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
- Assembly and testing services based in Brazil
- Assembly and testing services based in Canada
- Assembly and testing services based in France
- Assembly and testing services based in Germany
- Assembly and testing services based in India
- Assembly and testing services based in Italy
Company intelligence · public preview
Top 24 assembly and testing services based in the United States
RevenueBase records 374 matching company records for assembly and testing services based in the United States, with 8,274 tracked contacts and 1,629 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 24 assembly and testing services 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 | Mack Technologiesmacktech.com HQ: Westford, FL, United StatesReported employees: 1,001-5,000 | Westford, FL, United States | 1,001-5,000 | Exact match | 442 contacts → |
“Mack Technologies is a leading supplier of printed circuit board assembly, systems assembly, and electronics contract manufacturing services for the defense, communications…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Matric Groupmatricgroup.com HQ: Seneca, PA, United StatesReported employees: 201-500 | Seneca, PA, United States | 201-500 | Exact match | 174 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | DFF Corporation, A Cadrex Companydffcorp.com HQ: Agawam, MA, United StatesReported employees: 201-500 | Agawam, MA, United States | 201-500 | Exact match | 142 contacts → |
“In 1969, DFF began serving customers with quality development and low-quantity production services-on time and at competitive prices.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ISE Labs ASEiselabs.com HQ: Fremont, CA, United StatesReported employees: 51-200 | Fremont, CA, United States | 51-200 | Exact match | 136 contacts → |
“ISE Labs is a one-stop semiconductor engineering service provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Krypton Solutionskrypton-solutions.com HQ: Plano, TX, United StatesReported employees: 201-500 | Plano, TX, United States | 201-500 | Exact match | 127 contacts → |
“Krypton Solutions provides high speed, precision printed circuit board assembly within our locations in Plano, TX, and Bangalore, India.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Dit-Mco Internationalditmco.com HQ: Kansas City, MO, United StatesReported employees: 51-200 | Kansas City, MO, United States | 51-200 | Exact match | 108 contacts → |
“DIT-MCO International's proven automated product testing solutions for wired assemblies provide reliable service to industrial, commercial, and military customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Ansen Corporationansencorp.com HQ: Ogdensburg, NY, United StatesReported employees: 201-500 | Ogdensburg, NY, United States | 201-500 | Exact match | 107 contacts → |
“Ansen Corporation is an ISO 9001:2008 and ISO 13485:2003 certified Electronics Manufacturing Services provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Infiniti Solutionsinfinitisolutions.com HQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 106 contacts → |
“FULL EMS SERVICES We provide full professional EMS (Electronic Contract Manufacturing) Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 4front Solutions, LLC4frontsolutions.com HQ: Deland, PA, United StatesReported employees: 201-500 | Deland, PA, United States | 201-500 | Exact match | 91 contacts → |
“4FRONT Solutions is a full-service EMS provider with world-class manufacturing locations in Erie, PA and DeLand, FL.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Aimtron Corporationaimtron.com HQ: Palatine, United StatesReported employees: 201-500 | Palatine, United States | 201-500 | Exact match | 82 contacts → |
“Aimtron Corporation specializes in the Electronic Manufacturing Services since 2009.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Prime Technological Servicesprime-ems.com HQ: Suwanee, GA, United StatesReported employees: 201-500 | Suwanee, GA, United States | 201-500 | Exact match | 76 contacts → |
“At Prime EMS, we are committed to servicing you and your company’s requirements to the highest level.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Distron Corporationdistron.com HQ: Attleboro Falls, MA, United StatesReported employees: 51-200 | Attleboro Falls, MA, United States | 51-200 | Exact match | 76 contacts → |
“DISTRON CORPORATION is a New England based provider of electronic contract manufacturing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Ayrshire Electronicsayrshireusa.com HQ: Louisville, KY, United StatesReported employees: 501-1,000 | Louisville, KY, United States | 501-1,000 | Exact match | 74 contacts → |
“Ayrshire Electronics is a diverse, highly capable full service EMS (Electronic Manufacturing Services) Company offering cost effective end-to-end manufacturing solutions from…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Sunburst EMSsunburstems.com HQ: West Bridgewater, FL, United StatesReported employees: 51-200 | West Bridgewater, FL, United States | 51-200 | Exact match | 64 contacts → |
“Sunburst EMS is a flexible, full-service provider of a full range of electronic manufacturing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Murrietta Circuitsmurrietta.com HQ: Anaheim, CA, United StatesReported employees: 51-200 | Anaheim, CA, United States | 51-200 | Exact match | 63 contacts → |
“Murrietta Circuits is a high reliability, turnkey supplier of PCB Electronic Manufacturing Services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Adco Circuitsadcocircuits.com HQ: Rochester Hills, MI, United StatesReported employees: 51-200 | Rochester Hills, MI, United States | 51-200 | Exact match | 63 contacts → |
“ADCO Circuits, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Janco Electronics INCjanco-electronics.com HQ: Rollinsford, NH, United StatesReported employees: 51-200 | Rollinsford, NH, United States | 51-200 | Exact match | 58 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | FORMAformaautomotive.com HQ: San Antonio, TX, United StatesReported employees: 201-500 | San Antonio, TX, United States | 201-500 | Exact match | 57 contacts → |
“Forma brings together the ideal combination of manufacturing and assembly experience, human resource expertise, and continuous improvement culture.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Laritech, Inc.laritech.com HQ: Moorpark, FL, United StatesReported employees: 51-200 | Moorpark, FL, United States | 51-200 | Exact match | 51 contacts → |
“Laritech is a leading provider of quick-turn printed circuit board assembly (PCBA) and embedded systems design specializing in rapid prototyping, full engineering services, and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | STI Electronics INCstiusa.com HQ: Madison, AL, United StatesReported employees: 51-200 | Madison, AL, United States | 51-200 | Exact match | 51 contacts → |
“STI Electronics, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Interstate Assembly Systemsassemblysystems.com HQ: Marshfield, KS, United StatesReported employees: 51-200 | Marshfield, KS, United States | 51-200 | Exact match | 50 contacts → |
“ONE-SOURCE SOLUTION FOR ASSEMBLIES.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Lotus International Companylicus.com HQ: Canton, MI, United StatesReported employees: 501-1,000 | Canton, MI, United States | 501-1,000 | Exact match | 49 contacts → |
“Lotus International Company is a U.S-based contract manufacturer and full-lifecycle services partner in Canton, Michigan.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Evolve Manufacturingevolvemfg.com HQ: Fremont, CA, United StatesReported employees: 51-200 | Fremont, CA, United States | 51-200 | Exact match | 49 contacts → |
“Evolve Manufacturing Technologies is a contract manufacturer that offers innovative end-to-end manufacturing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | QES Solutions, INCqessolutions.com HQ: Rochester, NY, United StatesReported employees: 51-200 | Rochester, NY, United States | 51-200 | Exact match | 49 contacts → |
“QES Solutions is a 100% Woman Owned, flexible quality outsourcing company with a fully trained staff available to meet your needs 24 hours a day.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 374 company matches
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Assembly and testing services: dataset insights
November 6, 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
373 records in the displayed employee bands.
1 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 374 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: November 6, 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 ↗
Questions about this company list
What does Exact match mean for assembly and testing services?
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 assembly and testing services did RevenueBase find based in the United States?
The saved snapshot records 374 matching company records, 8,274 tracked contacts and 1,629 verified emails. The public preview displays 24 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: November 6, 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.
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Cite this list
RevenueBase Data Team. Top 24 assembly and testing services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/assembly-and-testing-services/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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- Assembly and testing services based in Brazil
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- Assembly and testing services based in France
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