Company lists · Data refreshed November 2026

Top 25 Underground insulation suppliers worldwide

RevenueBase identified 2,637 company matches for underground insulation suppliers worldwide as of November 2026 and tracks 36,434 professional contacts across them, including 10,082 with verified work emails. The United States is the largest market and Istanbul the largest hub.

This list covers company matches for underground insulation suppliers worldwide, 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 November 3, 2026. Country and city lists for underground insulation suppliers follow the table.

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 Nov 3, 2026 How this list was built
2,637Companies
36,434Contacts tracked
10,082Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest underground insulation suppliers worldwide

Ranked by team size
Top 25 of 2,637 company matches for underground insulation suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 3, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchEast Jordan, OH, United StatesHQ recorded Nov 3, 20261,001-5,0001,289 contacts →

Exact match

“EJ is the global leader in the design, manufacture, and distribution of access solutions for the world’s growing infrastructure.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
2Exact matchParis, FranceHQ recorded Nov 3, 20261,001-5,0001,140 contacts →

Exact match

“Leader français de la distribution de canalisations plastiques et de leurs accessoires, Frans Bonhomme propose une large palette de produits dans les domaines de l’adduction d’eau…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
3Exact matchSheffield, United KingdomHQ recorded Nov 3, 20265,001-10,0001,109 contacts →

Exact match

“SIG is a leading pan-European provider of specialist construction and insulation products.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
4Exact matchIndianapolis, OH, United StatesHQ recorded Nov 3, 20261,001-5,0001,051 contacts →

Exact match

“Miller Pipeline is the single-source, premier provider for all underground construction system solutions in transmission, distribution, and water/wastewater management.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
5Exact matchBrussels, BelgiumHQ recorded Nov 3, 20261,001-5,000749 contacts →

Exact match

“Recticel Group is a leading insulation company with headquarters in Belgium and operations in eight countries across Europa and the US.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
6Exact matchStavanger, NorwayHQ recorded Nov 3, 20261,001-5,000689 contacts →

Exact match

“KAEFER is a part of the KAEFER Group, one of Europe’s largest construction companies.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
7Exact matchMadrid, SpainHQ recorded Nov 3, 20261,001-5,000634 contacts →

Exact match

“URSA is a company dedicated to the manufacture and commercialization of thermal and acoustic insulation materials oriented towards sustainability and energy efficiency in…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
8Exact matchWinterbach, FranceHQ recorded Nov 3, 20261,001-5,000606 contacts →

Exact match

“PFISTERER is a globally leading and independent technology company with head offices in Winterbach near Stuttgart, Germany.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
9Exact matchKing Of Prussia, VA, United StatesHQ recorded Nov 3, 20261,001-5,000575 contacts →

Exact match

“As one of the nations largest underground specialty contractors, InfraSource has over employees strategically positioned across more than 20 operating centers.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Nov 3, 20261,001-5,000517 contacts →

Exact match

“Distribution International (DI) a leading distributor of thermal and acoustical insulation and related supplies for maintenance and repair operations in the United States.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
11Exact matchCharlotte, CT, United StatesHQ recorded Nov 3, 20261,001-5,000502 contacts →

Exact match

“SPI is a global leader in the Distribution and Specialty Fabrication of insulation products for Thermal, Acoustic, Fire Protection and Refractory applications.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
12Exact matchRamsey, NJ, United StatesHQ recorded Nov 3, 20261,001-5,000498 contacts →

Exact match

“The Okonite Company was founded in 1878 making it one of the original insulators of electrical wire and cable in the United States.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
13Exact matchKarlskrona, SwedenHQ recorded Nov 3, 20261,001-5,000467 contacts →

Exact match

“Roxtec cable and pipe seals protect life and assets.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
14Exact matchDaytona Beach, FL, United StatesHQ recorded Nov 3, 2026501-1,000465 contacts →

Exact match

“Service Partners is a nationwide distributor of building supplies used in the construction industry.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
15Exact matchDenmarkHQ recorded Nov 3, 20261,001-5,000428 contacts →

Exact match

“With more than 50 years of research, development and experience, we have become the leading manufacturer of pre-insulated pipe systems.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
16Exact matchSpring, United StatesHQ recorded Nov 3, 2026501-1,000418 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
17Exact matchGorinchem, NetherlandsHQ recorded Nov 3, 20261,001-5,000367 contacts →

Exact match

“Van Vulpen legt ondergrondse infrastructuur aan voor energie, water en data.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
18Exact matchMedford, MA, United StatesHQ recorded Nov 3, 2026501-1,000340 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
19Exact matchWetherby, United KingdomHQ recorded Nov 3, 2026501-1,000338 contacts →

Exact match

“Insulation, drywall, ceilings, construction products, external facades, flooring, partitioning, passive fire protection: whatever your project, Encon has the product range…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
20Exact matchHanau-steinheim, GermanyHQ recorded Nov 3, 20261,001-5,000320 contacts →

Exact match

“Wego Systembaustoffe GmbH ist mit dem Bereich Wärme, Kälte, Schall- und Brandschutz mit der Sparte VTI (Vertrieb Technischer Isolier- und Dämmstoffe) ein Tochterunternehmen der…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
21Exact matchIndonesiaHQ recorded Nov 3, 2026501-1,000311 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
22Exact matchSt. Paul, CA, United StatesHQ recorded Nov 3, 2026501-1,000283 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
23Exact matchFontanar, CubaHQ recorded Nov 3, 2026201-500278 contacts →

Exact match

“DANOSA fabricante líder en España de láminas asfálticas impermeabilizantes, aislamiento térmico y acústico, drenajes y geotextiles para vivienda y obra civil.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
24Exact matchCorona, CA, United StatesHQ recorded Nov 3, 20261,001-5,000273 contacts →

Exact match

“Arizona Pipeline Company (APC) is a leading underground utility contractor, delivering critical infrastructure with a commitment to safety, quality, and long-term performance.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
25Exact matchCoventry, United KingdomHQ recorded Nov 3, 2026201-500234 contacts →

Exact match

“Minster is one of the largest growing national specialist insulation and dry lining distributors in the UK.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase

Showing 25 of 2,637 underground insulation suppliers worldwide

See the full list, filter by size, metro and specialty, and access 10,082 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Underground insulation suppliers worldwide at a glance

As of Nov 3, 2026
27.7%Verified-email coverage
13.8Average contacts per company
11-50Median size (employees)
0.8%Largest-city concentration · Istanbul
Nov 3, 2026Page data refreshed

Companies by employee count

1-10
978
11-50
1,024
51-200
364
201-500
130
501-1,000
36
1,001-5,000
36
5,001-10,000
4
10001+
5

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for underground insulation suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “underground insulation suppliers” 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. 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 10,082 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 November 3, 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.

Underground insulation suppliers by location

16 lists · largest first

Every Underground insulation suppliers 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 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 “underground insulation suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many underground insulation suppliers are there worldwide?

RevenueBase identified 2,637 company matches for underground insulation suppliers worldwide as of November 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?

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

Which country has the most underground insulation suppliers?

The United States leads with 385 companies, followed by the United Kingdom (266) and the Netherlands (160). Every underground insulation suppliers list by country and city is linked on this page.

Which city has the most underground insulation suppliers?

Istanbul leads with 20 company records, followed by London (19) and Dubai (16).

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 10,082 professional contacts with verified work emails tracked across these 2,637 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 November 3, 2026.

Ready to reach these companies? Verified emails and direct dials for all 2,637 underground insulation suppliers worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.