Company lists · Data refreshed September 2026

Top 25 Portable cabin manufacturers based in the United States

Name: Portable cabin 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 30, 2026 422 companies tracked

RevenueBase identified 422 portable cabin manufacturers headquartered in the United States as of September 2026 and tracks 8,357 professional contacts across them, including 2,869 with verified work emails. Houston is the largest hub.

This list covers portable cabin 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 30, 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 30, 2026 86% judged on-target in blind review

422Companies

8,357Contacts tracked

2,869Verified emails

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The 25 largest portable cabin manufacturers based in the United States

Ranked by team size

Top 25 of 422 portable cabin manufacturers based in the United States, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to portable cabin 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Clark Pacific	Partial evidence	West Sacramento, CA, United StatesHQ checked Sep 30, 2026	501-1,000	614 contacts →
	Partial evidence “Clark Pacific designs, manufactures and builds prefabricated building systems; bridging the gap between construction and manufacturing.” Source: RevenueBase Database · checked Sep 30, 2026
2	Mobile Modular Management Corporation	Indirect evidence	Livermore, CA, United StatesHQ checked Sep 30, 2026	501-1,000	305 contacts →
	Indirect evidence “At Mobile Modular, a division of McGrath RentCorp, we recognize the importance of finding not just a job, but a meaningful career.” Source: RevenueBase Database · checked Sep 30, 2026
3	Modspace	Indirect evidence	Berwyn, PA, United StatesHQ checked Sep 30, 2026	501-1,000	293 contacts →
	Indirect evidence “Building on 50 years of experience in the modular construction industry, ModSpace is the American-owned market leader in time-tested product quality; new, innovative modular…” Source: RevenueBase Database · checked Sep 30, 2026
4	Volumetric Building Companies	Indirect evidence	Philadelphia, PA, United StatesHQ checked Sep 30, 2026	501-1,000	189 contacts →
	Indirect evidence “Volumetric Building Companies (VBC) is a vertically integrated global volumetric modular construction technology leader headquartered in Philadelphia, PA with locations across the…” Source: RevenueBase Database · checked Sep 30, 2026
5	Pac-Van, INC	Indirect evidence	Indianapolis, IN, United StatesHQ checked Sep 30, 2026	201-500	160 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026
6	Pacific Mobile Structures, INC	Indirect evidence	Chehalis, WA, United StatesHQ checked Sep 30, 2026	201-500	158 contacts →
	Indirect evidence “Pacific Mobile Structures sells and leases exceptional mobile office space and builds innovative modular structures with a relentless, customer-first commitment.” Source: RevenueBase Database · checked Sep 30, 2026
7	Hunter Buildings	Indirect evidence	Houston, TX, United StatesHQ checked Sep 30, 2026	51-200	147 contacts →
	Indirect evidence “Headquartered in Houston, and with offices in the UK, the Netherlands, the UAE, India and active across the globe, Hunter is a global leader in engineered modular and technical…” Source: RevenueBase Database · checked Sep 30, 2026
8	Premier Portable Buildings	Partial evidence	South Fulton, TN, United StatesHQ checked Sep 30, 2026	201-500	106 contacts →
	Partial evidence “Premier Portable Products is a family owned business that sells a variety of treated, urethane, and metal portable buildings in 34 states and four Canadian provinces.” Source: RevenueBase Database · checked Sep 30, 2026
9	Mobile Modular Portable Storage	Partial evidence	Livermore, CA, United StatesHQ checked Sep 30, 2026	51-200	105 contacts →
	Partial evidence “At Mobile Modular Portable Storage, a division of McGrath RentCorp, we understand it’s important to find the right job and the right career.” Source: RevenueBase Database · checked Sep 30, 2026
10	Aries Buildings	Indirect evidence	Houston, TX, United StatesHQ checked Sep 30, 2026	51-200	105 contacts →
	Indirect evidence “A nationwide modular construction partner specializing in temporary and permanent space solutions.” Source: RevenueBase Database · checked Sep 30, 2026
11	Silver Creek Modular	Indirect evidence	Perris, CA, United StatesHQ checked Sep 30, 2026	201-500	95 contacts →
	Indirect evidence “Silver Creek Modular: Purpose-Build, People Powered.” Source: RevenueBase Database · checked Sep 30, 2026
12	Module X Solutions LLC	Indirect evidence	Shreveport, LA, United StatesHQ checked Sep 30, 2026	51-200	85 contacts →
	Indirect evidence “Module X Solutions (MXS) is one the most diversified and scalable providers of protective building systems in the industry.” Source: RevenueBase Database · checked Sep 30, 2026
13	Alaska Structures	Partial evidence	Las Cruces, NM, United StatesHQ checked Sep 30, 2026	201-500	78 contacts →
	Partial evidence “Alaska Structures® designs and manufactures engineered fabric buildings, industrial facilities, and workforce accommodations for some of the world's most challenging environments.” Source: RevenueBase Database · checked Sep 30, 2026
14	Cook Portable Warehouses	Partial evidence	Cobden, IL, United StatesHQ checked Sep 30, 2026	201-500	75 contacts →
	Partial evidence “In 1984, the Cook family began constructing portable buildings on a parking lot next to their office with the goal of getting rid of some excess lumber.” Source: RevenueBase Database · checked Sep 30, 2026
15	Whitley Manufacturing	Partial evidence	South Whitley, IN, United StatesHQ checked Sep 30, 2026	51-200	72 contacts →
	Partial evidence “Whitley Manufacturing is one of the nation's leading manufacturers of custom commercial modular buildings serving an international clientele from Indiana and Washington.” Source: RevenueBase Database · checked Sep 30, 2026
16	Haulaway Storage Containers	Indirect evidence	Stanton, CA, United StatesHQ checked Sep 30, 2026	51-200	67 contacts →
	Indirect evidence “Since 1968 Haulaway Storage Containers has been providing the construction industry with secure onsite storage containers and ground level office's.” Source: RevenueBase Database · checked Sep 30, 2026
17	Dogwood Industries	Partial evidence	Bothell, WA, United StatesHQ checked Sep 30, 2026	51-200	61 contacts →
	Partial evidence “Dogwood Industries manufactures prefabricated structures for commercial and industrial projects.” Source: RevenueBase Database · checked Sep 30, 2026
18	Boxx Modular United States	Indirect evidence	Fort Worth, TX, United StatesHQ checked Sep 30, 2026	201-500	59 contacts →
	Indirect evidence “BOXX Modular US rents, leases, and sells temporary and permanent modular buildings, including standard buildings ready for immediate delivery and custom-designed solutions.” Source: RevenueBase Database · checked Sep 30, 2026
19	Falcon Structures	Indirect evidence	Manor, TX, United StatesHQ checked Sep 30, 2026	51-200	57 contacts →
	Indirect evidence “Founded in 2003, Falcon Structures repurposes steel shipping containers into safe and secure living, working and storage spaces - workforce housing units, mobile offices, and more.” Source: RevenueBase Database · checked Sep 30, 2026
20	Portable Solutions Group, INC	Partial evidence	Greenup, KY, United StatesHQ checked Sep 30, 2026	51-200	56 contacts →
	Partial evidence “Portable Solutions Group (PSG), Powered by VitalSpace, is a leader in designing and manufacturing containerized structures and purpose-built enclosures that enhance productivity…” Source: RevenueBase Database · checked Sep 30, 2026
21	Wall-Tech	Indirect evidence	Deforest, WI, United StatesHQ checked Sep 30, 2026	201-500	55 contacts →
	Indirect evidence “We build faster buildings.” Source: RevenueBase Database · checked Sep 30, 2026
22	Madison Industries, INC	Indirect evidence	Cerritos, CA, United StatesHQ checked Sep 30, 2026	51-200	53 contacts →
	Indirect evidence “At Madison Industries, we understand our customers’ needs and expectations are constantly evolving.” Source: RevenueBase Database · checked Sep 30, 2026
23	Triumph Modular	Indirect evidence	Littleton, MA, United StatesHQ checked Sep 30, 2026	51-200	52 contacts →
	Indirect evidence “Triumph Modular is a leader in the Northeast Region for leasing mobile offices, modular buildings, and storage containers.” Source: RevenueBase Database · checked Sep 30, 2026
24	Porta-King Building Systems	Partial evidence	Earth City, MO, United StatesHQ checked Sep 30, 2026	51-200	52 contacts →
	Partial evidence “Porta-King is the largest manufacturer of pre-engineered buildings used in the Industrial, Commercial, Security and Petroleum markets.” Source: RevenueBase Database · checked Sep 30, 2026
25	Mahaffey Fabric Structures	Indirect evidence	Memphis, TN, United StatesHQ checked Sep 30, 2026	51-200	52 contacts →
	Indirect evidence “A leader in temporary and semi-permanent industrial fabric structures, the on-demand temporary structure professionals at Mahaffey Fabric Structures have been leading providers of…” Source: RevenueBase Database · checked Sep 30, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: portable cabin manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names portable cabin manufacturers.
Partial evidence: Its own public description names part of portable cabin manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name portable cabin manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 422 portable cabin manufacturers based in the United States

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Portable cabin manufacturers based in the United States at a glance

As of Sep 30, 2026

34.3%Verified-email coverage

19.8Average contacts per company

11-50Median size (employees)

3.6%Largest-city concentration · Houston

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

168

11-50

137

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 422 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 portable cabin 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 “portable cabin 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 portable cabin 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 portable cabin 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, 2,869 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 30, 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 portable cabin 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 portable cabin manufacturers are there based in the United States?

RevenueBase identified 422 portable cabin 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?

Clark Pacific, headquartered in West Sacramento, tops this list with the largest team on record.

Which city has the most portable cabin manufacturers?

Houston leads with 15 headquartered companies, followed by Phoenix (7) and Austin (6).

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 2,869 verified decision-maker contacts tracked across these 422 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 30, 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.