Company lists · Data refreshed September 2026

Top 25 Modular green building companies based in the United States

Name: Modular green building companies 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 948 companies tracked

RevenueBase identified 948 company matches for modular green building companies associated with the United States as of September 2026 and tracks 14,824 professional contacts across them, including 4,890 with verified work emails. New York is the largest hub.

This list covers company matches for modular green building companies 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

948Companies

14,824Contacts tracked

4,890Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest modular green building companies based in the United States

Ranked by team size

Top 25 of 948 company matches for modular green building companies 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	Clayton	Exact match	Maryville, TN, United StatesHQ recorded Sep 17, 2026	10001+	4,222 contacts →
	Exact match “Founded in 1956, Clayton is a leading single-family, values-driven home builder committed to opening doors to a better life through homeownership.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Walsh Construction CO	Exact match	Portland, OR, United StatesHQ recorded Sep 17, 2026	201-500	604 contacts →
	Exact match “Made in the Pacific Northwest.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Integra	Exact match	Dallas, TX, United StatesHQ recorded Sep 17, 2026	501-1,000	373 contacts →
	Exact match “Integra is an industry-leading team designing & delivering innovative turnkey data centers.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Modspace	Exact match	Berwyn, PA, United StatesHQ recorded Sep 17, 2026	501-1,000	293 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Volumetric Building Companies	Exact match	Philadelphia, PA, United StatesHQ recorded Sep 17, 2026	501-1,000	189 contacts →
	Exact match “Volumetric Building Companies (VBC) is a vertically integrated global volumetric modular construction technology leader headquartered in Philadelphia, PA with locations across the…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Aries Buildings	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	51-200	105 contacts →
	Exact match “A nationwide modular construction partner specializing in temporary and permanent space solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Champion Enterprises	Exact match	Troy, MI, United StatesHQ recorded Sep 17, 2026	5,001-10,000	103 contacts →
	Exact match “Throughout our long history, Champion has been acknowledged as a leader in the manufactured housing industry and one of the largest modular homebuilders in North America.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	Factory OS	Exact match	Vallejo, CA, United StatesHQ recorded Sep 17, 2026	51-200	103 contacts →
	Exact match “Factory_OS is revolutionizing home construction.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Silver Creek Modular	Exact match	Perris, CA, United StatesHQ recorded Sep 17, 2026	201-500	95 contacts →
	Exact match “Silver Creek Modular: Purpose-Build, People Powered.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Smartlam	Exact match	Dothan, AL, United StatesHQ recorded Sep 17, 2026	201-500	81 contacts →
	Exact match “As a complete mass timber construction partner, SmartLam simplifies complex builds by supporting the entire project lifecycle.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Bensonwood	Exact match	Walpole, NH, United StatesHQ recorded Sep 17, 2026	51-200	76 contacts →
	Exact match “Bensonwood is a design/build firm producing sustainable, energy-efficient residential and commercial buildings with a strong emphasis on offsite fabrication and minimization of…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	Whitley Manufacturing	Exact match	South Whitley, IN, United StatesHQ recorded Sep 17, 2026	51-200	72 contacts →
	Exact match “Whitley Manufacturing is one of the nation's leading manufacturers of custom commercial modular buildings serving an international clientele from Indiana and Washington.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Ramtech Building Systems, INC	Exact match	Mansfield, TX, United StatesHQ recorded Sep 17, 2026	51-200	70 contacts →
	Exact match “As a modular construction specialist for over 40 years, Ramtech has provided modular building solutions for educational institutions, healthcare providers, Fortune 500 companies…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Rise Modular	Exact match	Minneapolis, MN, United StatesHQ recorded Sep 17, 2026	51-200	66 contacts →
	Exact match “Rise Modular is a Minneapolis, MN based startup volumetric modular manufacturer and design build firm focused on the multi-family and hospitality markets in the Midwest.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	ARO Homes	Exact match	Bay, CA, United StatesHQ recorded Sep 17, 2026	51-200	63 contacts →
	Exact match “Aro Homes is a new company on a mission to redefine residential construction by building better, more sustainable homes faster and more efficiently.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Boxx Modular United States	Exact match	Fort Worth, TX, United StatesHQ recorded Sep 17, 2026	201-500	59 contacts →
	Exact match “BOXX Modular US rents, leases, and sells temporary and permanent modular buildings, including standard buildings ready for immediate delivery and custom-designed solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Simplex Homes	Exact match	Scranton, PA, United StatesHQ recorded Sep 17, 2026	11-50	58 contacts →
	Exact match “Builders of the highest quality modular homes and prefab homes Simplex offers the finest quality modular home construction for your custom prefab home.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	U.S. Engineering Innovations	Exact match	Kansas City, MO, United StatesHQ recorded Sep 17, 2026	51-200	57 contacts →
	Exact match “Our story, which began in 2013, is born from the idea that we want to help change the way construction is done.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Homeway Commercial	Exact match	Deer Creek, IL, United StatesHQ recorded Sep 17, 2026	51-200	55 contacts →
	Exact match “Homeway Commercial is an Illinois based volumetric modular manufacturer of large-scale commercial projects such as hotels, multi-family apartments, housing developments, senior…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Madison Industries, INC	Exact match	Cerritos, CA, United StatesHQ recorded Sep 17, 2026	51-200	53 contacts →
	Exact match “At Madison Industries, we understand our customers’ needs and expectations are constantly evolving.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Porta-King Building Systems	Exact match	Earth City, MO, United StatesHQ recorded Sep 17, 2026	51-200	52 contacts →
	Exact match “Porta-King is the largest manufacturer of pre-engineered buildings used in the Industrial, Commercial, Security and Petroleum markets.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Blueprint	Exact match	Baltimore, MD, United StatesHQ recorded Sep 17, 2026	51-200	51 contacts →
	Exact match “Blueprint is an integrated offsite building system for wood framed multi-unit residential buildings headquartered in Baltimore, Maryland” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Modlogiq, INC	Exact match	New Holland, PA, United StatesHQ recorded Sep 17, 2026	51-200	50 contacts →
	Exact match “MODLOGIQ is leading a new wave of innovation in Off-Site, Modular Construction.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Allied Modular Building Systems	Exact match	Orange, CA, United StatesHQ recorded Sep 17, 2026	51-200	50 contacts →
	Exact match “Allied Modular has been an industry leader for over 35 years in high quality modular construction.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	American Modular Systems	Exact match	Manteca, CA, United StatesHQ recorded Sep 17, 2026	201-500	49 contacts →
	Exact match “At American Modular Systems (AMS), we’re redefining what’s possible in modular design.” 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 “modular green building companies”. 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 948 modular green building companies based in the United States

See the full list, filter by size, metro and specialty, and access 4,890 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Modular green building companies based in the United States at a glance

As of Sep 17, 2026

33.0%Verified-email coverage

15.6Average contacts per company

1-10Median size (employees)

2.6%Largest-city concentration · New York

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

522

11-50

270

51-200

117

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 948 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 “modular green building companies” 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 4,890 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 “modular green building companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many modular green building companies are there based in the United States?

RevenueBase identified 948 company matches for modular green building companies 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?

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

Which city has the most modular green building companies?

New York leads with 25 company records, followed by Austin (19) and Houston (17).

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 4,890 professional contacts with verified work emails tracked across these 948 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.

Ready to reach these companies? Verified emails and direct dials for all 948 modular green building companies based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

Modular green building companies by geography

Browse the directory

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.