Company lists · Data refreshed September 2026

Top 25 Architectural block manufacturers worldwide

Name: Architectural block manufacturers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 2,568 companies tracked

RevenueBase identified 2,568 architectural block manufacturers worldwide as of September 2026 and tracks 31,484 professional contacts across them, including 7,323 with verified work emails. The United States is the largest market and Chennai the largest hub.

This list covers architectural block manufacturers worldwide, 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. Country and city lists for architectural block manufacturers follow the table.

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

2,568Companies

31,484Contacts tracked

7,323Verified emails

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The 25 largest architectural block manufacturers worldwide

Ranked by team size

Top 25 of 2,568 architectural block manufacturers worldwide, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to architectural block 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	Oldcastle APG	Partial evidence	Atlanta, GA, United StatesHQ checked Sep 30, 2026	5,001-10,000	1,586 contacts →
	Partial evidence “As a global industry-leading manufacturer of concrete building and hardscape products, Oldcastle APG covers a wide spectrum of applications – from the structural masonry used in…” Source: RevenueBase Database · checked Sep 30, 2026
2	Acme Brick	Partial evidence	Fort Worth, TX, United StatesHQ checked Sep 30, 2026	1,001-5,000	1,225 contacts →
	Partial evidence “To join the Acme Brick team, go to: Acme Brick Company, founded in 1891, is the world’s largest U.S-owned brick manufacturer.” Source: RevenueBase Database · checked Sep 30, 2026
3	RMC Readymix India A Division Of Prism Cement Limited	Indirect evidence	Mumbai, IndiaHQ checked Sep 30, 2026	1,001-5,000	595 contacts →
	Indirect evidence “RMC Readymix (India) is a significant division of India’s largest integrated building materials company, Prism Cement Limited, which also comprises of the Prism Cement and the H&R…” Source: RevenueBase Database · checked Sep 30, 2026
4	Khonaini International Company LTD	Indirect evidence	Jubail, Saudi ArabiaHQ checked Sep 30, 2026	5,001-10,000	577 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026
5	County Materials Corporation	Indirect evidence	Marathon, WI, FranceHQ checked Sep 30, 2026	1,001-5,000	541 contacts →
	Indirect evidence “Together, we're building a company that hardworking people are proud to work for, live near, and do business with since 1946.” Source: RevenueBase Database · checked Sep 30, 2026
6	Forterra PLC	Partial evidence	Northampton, United KingdomHQ checked Sep 30, 2026	1,001-5,000	506 contacts →
	Partial evidence “We are experts in creating the bricks, blocks, precast concrete, paving and many other vital products and services that help create lasting legacies.” Source: RevenueBase Database · checked Sep 30, 2026
7	General Shale	Indirect evidence	Johnson City, TN, United StatesHQ checked Sep 30, 2026	1,001-5,000	448 contacts →
	Indirect evidence “Build with experience and quality.” Source: RevenueBase Database · checked Sep 30, 2026
8	Pavestone Company	Partial evidence	San Marcos, TX, United StatesHQ checked Sep 30, 2026	501-1,000	417 contacts →
	Partial evidence “Pavestone Company has manufactured segmental concrete products for the commercial, residential, contractor, industrial and retail consumer, markets since 1980.” Source: RevenueBase Database · checked Sep 30, 2026
9	Unilock	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 30, 2026	501-1,000	400 contacts →
	Indirect evidence “Unilock, a family-owned and operated business, originally introduced the paving stone to North America in 1972.” Source: RevenueBase Database · checked Sep 30, 2026
10	Corobrik	Indirect evidence	Johannesburg, South AfricaHQ checked Sep 30, 2026	1,001-5,000	340 contacts →
	Indirect evidence “Corobrik has been shaping South Africa’s spaces for since 1902 with locally made, durable, and design-driven clay bricks and paving.” Source: RevenueBase Database · checked Sep 30, 2026
11	OCHOA	Partial evidence	Santiago De Los Caballeros, Dominican RepublicHQ checked Sep 30, 2026	1,001-5,000	320 contacts →
	Partial evidence “OCHOA es una empresa altamente diversificada, contando con las más modernas y grandes fábricas de blocks en toda el área del Caribe y los más adelantados equipos para la…” Source: RevenueBase Database · checked Sep 30, 2026
12	Kilsaran	Indirect evidence	Dunboyne, IrelandHQ checked Sep 30, 2026	501-1,000	282 contacts →
	Indirect evidence “Kilsaran was founded in 1964 by the late Patrick McKeown.” Source: RevenueBase Database · checked Sep 30, 2026
13	IBF A S	Indirect evidence	Ikast, DenmarkHQ checked Sep 30, 2026	501-1,000	272 contacts →
	Indirect evidence “Konkrete løsninger til dagens byggeri IBF producerer betonprodukter til byggebranchen: Belægning, Tagsten, Afløb, Murværk og Fabriksbeton.” Source: RevenueBase Database · checked Sep 30, 2026
14	Glen-Gery	Partial evidence	Wyomissing, PA, United StatesHQ checked Sep 30, 2026	501-1,000	259 contacts →
	Partial evidence “Headquartered in Wyomissing, Pennsylvania, Glen-Gery Corporation is one of the largest brick manufacturers in North America.” Source: RevenueBase Database · checked Sep 30, 2026
15	Basalite Concrete Products	Partial evidence	Dixon, CA, United StatesHQ checked Sep 30, 2026	501-1,000	250 contacts →
	Partial evidence “Basalite is one of the largest manufacturers of concrete and clay products in the Western United States.” Source: RevenueBase Database · checked Sep 30, 2026
16	Tobermore	Partial evidence	Tobermore, United KingdomHQ checked Sep 30, 2026	201-500	247 contacts →
	Partial evidence “Established in 1942, Tobermore is a world class paving and walling manufacturer, specialising in the manufacture and supply of paving and walling products for the domestic and…” Source: RevenueBase Database · checked Sep 30, 2026
17	Mutual Materials Company	Indirect evidence	Bellevue, WA, United StatesHQ checked Sep 30, 2026	201-500	221 contacts →
	Indirect evidence “Celebrating 125 years of building the Pacific Northwest, Mutual Materials has been a trusted, family-owned leader in masonry and hardscape materials for five generations.” Source: RevenueBase Database · checked Sep 30, 2026
18	Cementos Fortaleza S.A. DE C.V	Indirect evidence	Ciudad De Mã©xico, MexicoHQ checked Sep 30, 2026	201-500	198 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026
19	Brampton Brick Limited	Indirect evidence	Brampton, ON, CanadaHQ checked Sep 30, 2026	201-500	186 contacts →
	Indirect evidence “Brampton Brick Limited is an integrated masonry and landscape products company providing a comprehensive range of clay brick, concrete masonry and concrete landscape products from…” Source: RevenueBase Database · checked Sep 30, 2026
20	Edycem	Indirect evidence	Boufféré, FranceHQ checked Sep 30, 2026	201-500	177 contacts →
	Indirect evidence “EDYCEM est la branche béton du Groupe HERIGE.” Source: RevenueBase Database · checked Sep 30, 2026
21	Simbeton Romania	Indirect evidence	Deva, RomaniaHQ checked Sep 30, 2026	501-1,000	177 contacts →
	Indirect evidence “Cu o activitate de 50 de ani în domeniul fabricării materialelor de construcţii, alături de o experienţă a cărei valoare se regăseşte în fiecare dintre materialele de construcţii…” Source: RevenueBase Database · checked Sep 30, 2026
22	Besser Company	Indirect evidence	Alpena, MI, United StatesHQ checked Sep 30, 2026	201-500	171 contacts →
	Indirect evidence “Trusted since 1904, Besser Company is recognized as the leader for quality concrete products equipment and parts for the masonry, hardscape, pipe and precast markets of the…” Source: RevenueBase Database · checked Sep 30, 2026
23	Ducon Industries Fzco	Indirect evidence	Dubai, United Arab EmiratesHQ checked Sep 30, 2026	51-200	170 contacts →
	Indirect evidence “DUCON Industries FZCO capitalizes on a vast resource of industrial knowledge, practical experience and a reputation backed by the contribution of the founder's family to the…” Source: RevenueBase Database · checked Sep 30, 2026
24	Masa Group	Indirect evidence	Andernach, GermanyHQ checked Sep 30, 2026	501-1,000	166 contacts →
	Indirect evidence “At Masa, we think of nothing but concrete - and how to shape it into beautiful and practical forms for the building materials industry.” Source: RevenueBase Database · checked Sep 30, 2026
25	Mannok	Strong evidence	Derrylin, United KingdomHQ checked Sep 30, 2026	501-1,000	165 contacts →
	Strong evidence “Mannok is a leading manufacturer of a diverse range of premium building materials, including Ireland's best performing thermal block, Mannok Aircrete Thermal Blocks, a range 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: architectural block 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 architectural block manufacturers.
Partial evidence: Its own public description names part of architectural block manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name architectural block 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 2,568 architectural block manufacturers worldwide

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Architectural block manufacturers worldwide at a glance

As of Sep 30, 2026

23.3%Verified-email coverage

12.3Average contacts per company

11-50Median size (employees)

0.5%Largest-city concentration · Chennai

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

916

11-50

880

51-200

517

201-500

149

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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 architectural block 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.
Coverage: Every country. Country and city lists for architectural block manufacturers are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “architectural block 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 architectural block 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 architectural block manufacturers, and records with no verified work email.
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, 7,323 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.

Architectural block manufacturers by location

11 lists · largest first

Every Architectural block manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 architectural block 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 architectural block manufacturers are there worldwide?

RevenueBase identified 2,568 architectural block manufacturers worldwide 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?

Oldcastle APG, headquartered in Atlanta, tops this list with the largest team on record.

Which country has the most architectural block manufacturers?

The United States leads with 855 companies, followed by Brazil (237) and India (113). Every architectural block manufacturers list by country and city is linked on this page.

Which city has the most architectural block manufacturers?

Chennai leads with 12 headquartered companies, followed by Houston (9) and Denver (8).

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 7,323 verified decision-maker contacts tracked across these 2,568 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.