Company lists · Data refreshed September 2026

Top 25 Metal enclosure manufacturers based in the United States

Name: Metal enclosure manufacturers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 290 companies tracked

RevenueBase identified 290 company matches for metal enclosure manufacturers associated with the United States as of September 2026 and tracks 10,233 professional contacts across them, including 2,306 with verified work emails. Houston is the largest hub.

This list covers company matches for metal enclosure 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 September 17, 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 Sep 17, 2026 How this list was built

290Companies

10,233Contacts tracked

2,306Verified emails

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The 25 largest metal enclosure manufacturers based in the United States

Ranked by team size

Top 25 of 290 company matches for metal enclosure manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Electrical Components International	Exact match	Southfield, MI, United StatesHQ recorded Sep 17, 2026	10001+	2,200 contacts →
	Exact match “Founded in 1953, Electrical Components International (ECI) is one of the world’s leading suppliers of electrical distribution systems, control box assemblies, and other critical…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Rittal LLC	Exact match	Schaumburg, IL, United StatesHQ recorded Sep 17, 2026	501-1,000	918 contacts →
	Exact match “Rittal LLC is the U.S.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Charles Industries, An Amphenol Company	Exact match	Schaumburg, IL, United StatesHQ recorded Sep 17, 2026	501-1,000	301 contacts →
	Exact match “Charles Industries, LLC is a diversified manufacturing and technology company serving Wireline, Wireless, Broadband Cable/MSO, Utilities (Energy), and Industrial markets.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Maysteel Industries LLC	Exact match	Allenton, WI, United StatesHQ recorded Sep 17, 2026	501-1,000	273 contacts →
	Exact match “At Maysteel, we support supply chain and procurement leaders with scalable fabrication solutions for data centers and critical infrastructure, including custom enclosures, server…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Milbank Energy At Work	Exact match	Kansas City, MO, United StatesHQ recorded Sep 17, 2026	501-1,000	266 contacts →
	Exact match “Milbank provides the tools that empower life.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Adalet	Exact match	Cleveland, OH, United StatesHQ recorded Sep 17, 2026	51-200	240 contacts →
	Exact match “ADALET, a Marmon IEI / Berkshire Hathaway company, is a leading manufacturer of explosionproof enclosures and systems, custom aluminum castings, industrial sheet metal and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Allied Moulded Products, INC	Exact match	Bryan, OH, United StatesHQ recorded Sep 17, 2026	201-500	191 contacts →
	Exact match “Allied Moulded Products, Inc.(Allied Moulded) is the Contractor’s Choice of nonmetallic electrical boxes and enclosures in today's residential, commercial and industrial markets.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Robinson, INC	Exact match	De Pere, WI, United StatesHQ recorded Sep 17, 2026	501-1,000	171 contacts →
	Exact match “Robinson’s 950+ employee owners are highly experienced in single-source metal solutions, from engineering to complete custom fabrication.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	GTI Fabrication	Exact match	Buffalo, NY, United StatesHQ recorded Sep 17, 2026	501-1,000	152 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 · Sep 17, 2026 · View company records in RevenueBase
10	Saginaw Control And Engineering	Exact match	Saginaw, MI, United StatesHQ recorded Sep 17, 2026	201-500	152 contacts →
	Exact match “We are an electrical enclosure manufacturer founded in 1963.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Penn Elcom	Exact match	Garden Grove, CA, United StatesHQ recorded Sep 17, 2026	501-1,000	130 contacts →
	Exact match “Penn Elcom is the world’s leading manufacturer of quality flight case hardware, 19-inch racking solutions, and professional audio accessories.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	ITW Shakeproof	Exact match	Watertown, WI, United StatesHQ recorded Sep 17, 2026	201-500	124 contacts →
	Exact match “ITW Shakeproof combination of Industrial and Automotive businesses allows us to offer top-notch, value-added products that deliver uncompromised value and performance.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Parker Chomerics	Exact match	Woburn, MA, United StatesHQ recorded Sep 17, 2026	501-1,000	123 contacts →
	Exact match “Parker Chomerics, a Division of Parker Hannifin, is a total solutions provider of EMI Shielding, Thermal Management, Integrated Display Products, Engineered Plastics and Metal…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Robroy Industries	Exact match	Verona, PA, United StatesHQ recorded Sep 17, 2026	51-200	101 contacts →
	Exact match “Founded in 1905 and headquartered in Verona, PA, we have been serving the electrical products industry for more than 100 years.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	MUM Industries INC	Exact match	Mentor, OH, United StatesHQ recorded Sep 17, 2026	51-200	97 contacts →
	Exact match “Founded in 1996, MUM Industries, Inc.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	States Manufacturing Corporation	Exact match	Champlin, MN, United StatesHQ recorded Sep 17, 2026	51-200	95 contacts →
	Exact match “Our mission at States Manufacturing is to make custom electrical and metal products that help companies in a broad spectrum of industries deliver better results for their…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Heyco Products Corp	Exact match	Toms River, NJ, United StatesHQ recorded Sep 17, 2026	51-200	79 contacts →
	Exact match “Founded in 1926 and acquired by PennEngineering in 2016, Heyco Products Inc.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Riverside Mfg., LLC	Exact match	Ft Wayne, IN, United StatesHQ recorded Sep 17, 2026	201-500	78 contacts →
	Exact match “Riverside Mfg, LLC specializes in manufacturing electrical systems and products for harsh environment vehicles and equipment.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	IMS Companies, LLC	Exact match	Des Plaines, IL, United StatesHQ recorded Sep 17, 2026	1,001-5,000	77 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 · Sep 17, 2026 · View company records in RevenueBase
20	Purcell Systems, Inc. An Enersys Company	Exact match	Spokane Valley, WA, United StatesHQ recorded Sep 17, 2026	5,001-10,000	74 contacts →
	Exact match “Purcell Systems Inc.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Nema Enclosures Manufacturing	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	51-200	73 contacts →
	Exact match “NEMA Enclosures designs and fabricates custom UL-rated electrical and instrument enclosures built to your specifications and delivered on your schedule.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Electronic Source Company	Exact match	Van Nuys, CA, United StatesHQ recorded Sep 17, 2026	501-1,000	65 contacts →
	Exact match “Electronic Source Company (ESC) manufactures electronics for critical applications in the most demanding environments.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Scott Manufacturing Solutions, INC	Exact match	Chino, CA, United StatesHQ recorded Sep 17, 2026	51-200	65 contacts →
	Exact match “Since 1966, we’ve been a trusted manufacturer of custom medium-voltage (MV) enclosures, overhead racks, and hardware designed to meet the unique needs of our customers.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	American Products	Exact match	Strafford, MO, United StatesHQ recorded Sep 17, 2026	201-500	65 contacts →
	Exact match “Diversified manufacturer.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Armorcast Products Company	Exact match	Chatsworth, CA, United StatesHQ recorded Sep 17, 2026	201-500	63 contacts →
	Exact match “Since 1966, Armorcast Products Company has been the innovative leader in supplying the utility industry with secure and protective enclosures.” Recorded in the RevenueBase company graph · Sep 17, 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 “metal enclosure 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 290 metal enclosure manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 2,306 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Metal enclosure manufacturers based in the United States at a glance

As of Sep 17, 2026

22.5%Verified-email coverage

35.3Average contacts per company

11-50Median size (employees)

3.8%Largest-city concentration · Houston

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

107

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 290 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 “metal enclosure 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 2,306 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 September 17, 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 “metal enclosure manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many metal enclosure manufacturers are there based in the United States?

RevenueBase identified 290 company matches for metal enclosure manufacturers associated with the United States as of September 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?

Electrical Components International tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most metal enclosure manufacturers?

Houston leads with 11 company records, followed by Dallas (5) and Fremont (4).

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 2,306 professional contacts with verified work emails tracked across these 290 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 September 17, 2026.

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About this data

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