Company lists · Data refreshed September 2026

Top 25 Rack and enclosure manufacturers based in the United States

RevenueBase identified 243 rack and enclosure manufacturers headquartered in the United States as of September 2026 and tracks 6,475 professional contacts across them, including 1,739 with verified work emails. Fremont is the largest hub.

This list covers rack and enclosure manufacturers headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review
243Companies
6,475Contacts tracked
1,739Verified emails
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The 25 largest rack and enclosure manufacturers based in the United States

Ranked by team size
Top 25 of 243 rack and enclosure manufacturers based in the United States, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to rack and enclosure manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceSchaumburg, IL, United StatesHQ checked Sep 17, 2026501-1,000918 contacts →

Indirect evidence

“Rittal LLC is the U.S.”

Source: RevenueBase Database · checked Sep 17, 2026
2Partial evidenceSimi Valley, CA, United StatesHQ checked Sep 17, 20261,001-5,000430 contacts →

Partial evidence

“Chatsworth Products (CPI) is a 100% employee-owned, global manufacturer of ICT infrastructure solutions that power and protect critical technology investments-from data centers…”

Source: RevenueBase Database · checked Sep 17, 2026
3Indirect evidenceSchaumburg, IL, United StatesHQ checked Sep 17, 2026501-1,000301 contacts →

Indirect evidence

“Charles Industries, LLC is a diversified manufacturing and technology company serving Wireline, Wireless, Broadband Cable/MSO, Utilities (Energy), and Industrial markets.”

Source: RevenueBase Database · checked Sep 17, 2026
4Partial evidenceAllenton, WI, United StatesHQ checked Sep 17, 2026501-1,000273 contacts →

Partial evidence

“At Maysteel, we support supply chain and procurement leaders with scalable fabrication solutions for data centers and critical infrastructure, including custom enclosures, server…”

Source: RevenueBase Database · checked Sep 17, 2026
5Indirect evidenceRockwall, TX, United StatesHQ checked Sep 17, 2026501-1,000210 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 17, 2026
6Indirect evidenceOrlando, FL, United StatesHQ checked Sep 17, 2026201-500172 contacts →

Indirect evidence

“We are a leading provider of IT and telecom infrastructure technologies.”

Source: RevenueBase Database · checked Sep 17, 2026
7Strong evidenceSaginaw, MI, United StatesHQ checked Sep 17, 2026201-500152 contacts →

Strong evidence

“We are an electrical enclosure manufacturer founded in 1963.”

Source: RevenueBase Database · checked Sep 17, 2026
8Indirect evidenceLiberty Lake, WA, United StatesHQ checked Sep 17, 2026201-500135 contacts →

Indirect evidence

“We are pleased to announce that Amphenol Telect and All Systems Broadband have officially joined forces under the brand name Amphenol Network Solutions.”

Source: RevenueBase Database · checked Sep 17, 2026
9Partial evidenceGarden Grove, CA, United StatesHQ checked Sep 17, 2026501-1,000130 contacts →

Partial evidence

“Penn Elcom is the world’s leading manufacturer of quality flight case hardware, 19-inch racking solutions, and professional audio accessories.”

Source: RevenueBase Database · checked Sep 17, 2026
10Indirect evidenceSalt Lake City, UT, United StatesHQ checked Sep 17, 202651-200129 contacts →

Indirect evidence

“Subzero ensures a superior customer experience by applying unique product designs, quick turnaround engineering, and in-house installation teams.”

Source: RevenueBase Database · checked Sep 17, 2026
11Partial evidenceStevens Point, WI, United StatesHQ checked Sep 17, 2026201-500115 contacts →

Partial evidence

“Gamber-Johnson is a leading worldwide manufacturer of rugged mounting solutions that safely and securely mount mobile communication systems, computers and other electronic…”

Source: RevenueBase Database · checked Sep 17, 2026
12Indirect evidenceElk Point, SD, United StatesHQ checked Sep 17, 2026501-1,000100 contacts →

Indirect evidence

“Thermo Bond Buildings, located in the heart of the Midwest, is in its fourth decade of delivering advanced infrastructure solutions for the world’s most demanding industries.”

Source: RevenueBase Database · checked Sep 17, 2026
13Indirect evidenceGolden, CO, United StatesHQ checked Sep 17, 2026201-50095 contacts →

Indirect evidence

“Here at Kratos we integrate industry leading components into turn-key, factory tested power and control equipment.”

Source: RevenueBase Database · checked Sep 17, 2026
14Partial evidenceDenver, NC, United StatesHQ checked Sep 17, 202651-20093 contacts →

Partial evidence

“Husky Rack & Wire is a U.S.”

Source: RevenueBase Database · checked Sep 17, 2026
15Indirect evidenceGrand Prairie, TX, United StatesHQ checked Sep 17, 202651-20086 contacts →

Indirect evidence

“We make complex networks feel simple.”

Source: RevenueBase Database · checked Sep 17, 2026
16Indirect evidenceSpokane Valley, WA, United StatesHQ checked Sep 17, 20265,001-10,00074 contacts →

Indirect evidence

“Purcell Systems Inc.”

Source: RevenueBase Database · checked Sep 17, 2026
17Strong evidenceChino, CA, United StatesHQ checked Sep 17, 202651-20065 contacts →

Strong evidence

“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.”

Source: RevenueBase Database · checked Sep 17, 2026
18Partial evidenceStrafford, MO, United StatesHQ checked Sep 17, 2026201-50065 contacts →

Partial evidence

“Diversified manufacturer.”

Source: RevenueBase Database · checked Sep 17, 2026
19Partial evidenceFarmingdale, NY, United StatesHQ checked Sep 17, 2026n/a51 contacts →

Partial evidence

“Legrand Cabinet and Containment (CCB) is a leading manufacturer of cabinet and containment platforms designed to meet the needs of your unique application.”

Source: RevenueBase Database · checked Sep 17, 2026
20Partial evidenceSchaumburg, IL, United StatesHQ checked Sep 17, 202651-20049 contacts →

Partial evidence

Rack Builders Inc.”

Source: RevenueBase Database · checked Sep 17, 2026
21Indirect evidenceIndianapolis, IN, United StatesHQ checked Sep 17, 202651-20047 contacts →

Indirect evidence

“General Devices offers the industry's most complete selection of telescoping slides, cabinets, accessories, and electronic packaging hardware as well as being a custom precision…”

Source: RevenueBase Database · checked Sep 17, 2026
22Indirect evidenceWilloughby, OH, United StatesHQ checked Sep 17, 202651-20047 contacts →

Indirect evidence

“Founded in 1928, Bud Industries, Inc.”

Source: RevenueBase Database · checked Sep 17, 2026
23Indirect evidenceReno, NV, United StatesHQ checked Sep 17, 202651-20040 contacts →

Indirect evidence

“Enconnex is a global data center and IT infrastructure solutions company known for developing innovative custom solutions, as well as a variety of data center products including…”

Source: RevenueBase Database · checked Sep 17, 2026
24Strong evidenceEdinboro, PA, United StatesHQ checked Sep 17, 202651-20038 contacts →

Strong evidence

“Great Lakes Data Racks & Cabinets is a USA based (COO-USA), woman owned, ISO 9001:2015 registered metal manufacturer.”

Source: RevenueBase Database · checked Sep 17, 2026
25Indirect evidencePembroke Park, FL, United StatesHQ checked Sep 17, 202651-20036 contacts →

Indirect evidence

“Vertical Cable, together with its parent company Chiptech Inc, has been serving the Information Technology and Communications industry since 1989.”

Source: RevenueBase Database · checked Sep 17, 2026

Showing 25 of 243 rack and enclosure manufacturers based in the United States

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Rack and enclosure manufacturers based in the United States at a glance

As of Sep 17, 2026
26.9%Verified-email coverage
26.6Average contacts per company
11-50Median size (employees)
2.1%Largest-city concentration · Fremont
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
61
11-50
93
51-200
57
201-500
16
501-1,000
10
1,001-5,000
3
5,001-10,000
1
10001+
2

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 243 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among rack and enclosure manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “rack and enclosure manufacturers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names rack and enclosure manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among rack and enclosure manufacturers, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 1,739 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 17, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names rack and enclosure manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 243 rack and enclosure manufacturers headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Rittal LLC, headquartered in Schaumburg, tops this list with the largest team on record.

Which city has the most rack and enclosure manufacturers?

Fremont leads with 5 headquartered companies, followed by Los Angeles (5) and Dallas (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,739 verified decision-maker contacts tracked across these 243 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.