Company lists · Data refreshed October 2026

Top 25 Box build manufacturers based in the United States

RevenueBase identified 379 company matches for box build manufacturers associated with the United States as of October 2026 and tracks 10,507 professional contacts across them, including 2,104 with verified work emails. San Jose is the largest hub.

This list covers company matches for box build 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 9, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 9, 2026 How this list was built
379Companies
10,507Contacts tracked
2,104Verified emails
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The 25 largest box build manufacturers based in the United States

Ranked by team size
Top 25 of 379 company matches for box build manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNewark, NY, United StatesHQ recorded Oct 9, 2026n/a583 contacts →

Exact match

“IEC Electronics, acquired by Creation Technologies in 2021, is a provider of electronic manufacturing services ("EMS") to advanced technology companies that produce life-saving…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2Exact matchAnaheim, CA, United StatesHQ recorded Oct 9, 20261,001-5,000431 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 9, 2026 · View company records in RevenueBase
3Exact matchWestfield, PA, United StatesHQ recorded Oct 9, 2026501-1,000311 contacts →

Exact match

“We Make Powerful Connections.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4Exact matchBinghamton, NY, United StatesHQ recorded Oct 9, 2026201-500251 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 9, 2026 · View company records in RevenueBase
5Exact matchMount Pleasant, PA, United StatesHQ recorded Oct 9, 2026201-500238 contacts →

Exact match

“Full-service manufacturer.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6Exact matchAustin, TX, United StatesHQ recorded Oct 9, 2026501-1,000222 contacts →

Exact match

“VIRTEX is a trusted technology partner that provides strategic Electronic Manufacturing Services (EMS) to our customer base.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7Exact matchBuffalo, NY, United StatesHQ recorded Oct 9, 2026501-1,000218 contacts →

Exact match

“GTI is a U.S-based, full-service contract manufacturer that brings products to life for the world's leading innovators.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8Exact matchSan Jose, CA, United StatesHQ recorded Oct 9, 2026201-500194 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 9, 2026 · View company records in RevenueBase
9Exact matchGray, ME, United StatesHQ recorded Oct 9, 2026201-500182 contacts →

Exact match

“Enercon Technologies provides integrated electronic product design & contract manufacturing services to the medical, industrial, and defense segments.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10Exact matchMelbourne, FL, United StatesHQ recorded Oct 9, 2026501-1,000161 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11Exact matchSan Diego, CA, United StatesHQ recorded Oct 9, 2026201-500148 contacts →

Exact match

“Cal-Comp USA, a New Kinpo Group company, is an electronics manufacturing services company offering turn-key production services to the industrial, medical, aerospace, military…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12Exact matchFrederick, MD, United StatesHQ recorded Oct 9, 202651-200146 contacts →

Exact match

“Based in Frederick, MD, Nashville, NC, and Branford, CT, ACDi is an integral resource to companies who need a trusted partner for dynamic electronics manufacturing, engineering…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13Exact matchFremont, CA, United StatesHQ recorded Oct 9, 2026501-1,000127 contacts →

Exact match

“Your hassle-free end-to-end electronic manufacturing solutions.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14Exact matchDayton, OH, United StatesHQ recorded Oct 9, 202651-200126 contacts →

Exact match

“Projects Unlimited Inc.(PUI), is an award-winning Certified Small Business specializing in Electronics Manufacturing Services (EMS) and contract manufacturing builds at the…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15Exact matchNew Bedford, MA, United StatesHQ recorded Oct 9, 202651-200116 contacts →

Exact match

“Epec Engineered Technologies is the ideal choice for an OEM seeking customized product solutions from a focused and agile partner having supported over customers across all…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16Exact matchMadison, AL, United StatesHQ recorded Oct 9, 202651-200113 contacts →

Exact match

“Nextek, Inc.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17Exact matchWhitewater, WI, United StatesHQ recorded Oct 9, 2026201-500113 contacts →

Exact match

“East West Wisconsin (Formerly Universal Electronics, Inc.) has been providing contract electronics manufacturing services to the Medical, Industrial, Scientific Instrumentation…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18Exact matchGardena, CA, United StatesHQ recorded Oct 9, 202651-200101 contacts →

Exact match

“Qual-Pro is a global Electronics Manufacturing Services provider, certified to ISO 9001, AS9100 (aerospace), and ISO 13485 (medical) quality standards.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19Exact matchSt. Paul, MN, United StatesHQ recorded Oct 9, 202651-200100 contacts →

Exact match

“MME group is a box build contract manufacturer with full supply chain management and control.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20Exact matchBrooksville, FL, United StatesHQ recorded Oct 9, 202651-20090 contacts →

Exact match

“ICTC is an ISO full-service manufacturer.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21Exact matchSan Jose, CA, United StatesHQ recorded Oct 9, 2026201-50087 contacts →

Exact match

“Naprotek is an electronics technology solutions provider for high-reliability applications.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22Exact matchSeven Valleys, PA, United StatesHQ recorded Oct 9, 2026201-50080 contacts →

Exact match

“Mercury Electronics is a leading provider of electrical/electronic contract manufacturing services for commercial and military industries.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23Exact matchDes Plaines, IL, United StatesHQ recorded Oct 9, 20261,001-5,00079 contacts →

Exact match

“IMS Companies, LLC is a diversified group of companies that are leading manufacturers of a wide range of products and solutions including a full line of enclosures and mounting…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24Exact matchBillerica, MA, United StatesHQ recorded Oct 9, 2026501-1,00079 contacts →

Exact match

“Call 978-970-1200 today!”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25Exact matchSuwanee, GA, United StatesHQ recorded Oct 9, 2026201-50076 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 · Oct 9, 2026 · View company records in RevenueBase

Showing 25 of 379 box build manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 2,104 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Box build manufacturers based in the United States at a glance

As of Oct 9, 2026
20.0%Verified-email coverage
27.7Average contacts per company
11-50Median size (employees)
4.7%Largest-city concentration · San Jose
Oct 9, 2026Page data refreshed

Companies by employee count

1-10
63
11-50
158
51-200
112
201-500
27
501-1,000
14
1,001-5,000
4
5,001-10,000
1

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 379 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 “box build 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 2,104 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 9, 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 “box build manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many box build manufacturers are there based in the United States?

RevenueBase identified 379 company matches for box build 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?

IEC Electronics Corp tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most box build manufacturers?

San Jose leads with 18 company records, followed by Fremont (12) and Houston (6).

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 2,104 professional contacts with verified work emails tracked across these 379 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 9, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase 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.