Company lists · Data refreshed November 2026
Top 25 Underground insulation suppliers based in the United States
RevenueBase identified 385 company matches for underground insulation suppliers associated with the United States as of November 2026 and tracks 10,797 professional contacts across them, including 3,453 with verified work emails. Houston is the largest hub.
This list covers company matches for underground insulation suppliers 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 November 3, 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.
The 25 largest underground insulation suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,289 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 | |||||
| 2 | 1,051 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 | |||||
| 3 | 575 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 | |||||
| 4 | 517 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 | |||||
| 5 | 502 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 | |||||
| 6 | 498 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 | |||||
| 7 | 465 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 | |||||
| 8 | 340 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 9 | 283 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 10 | 273 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 | |||||
| 11 | 220 contacts → | ||||
Exact match “Founded in New Orleans, LA in 1970, Insulations, Inc.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 12 | 169 contacts → | ||||
Exact match “Established in 1977 and incorporated in 1985, USA Insulation has saved thousands of customers millions of dollars on their heating and air conditioning bills.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 13 | 159 contacts → | ||||
Exact match “K-FLEX USA is the North American division of the IK Insulation Group, an innovative leader in flexible elastomeric foam insulation with 12 production facilities worldwide and a…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 14 | 150 contacts → | ||||
Exact match “JM is the leading manufacturer of thermal insulation solutions for high and low-temperature industrial applications.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 15 | 123 contacts → | ||||
Exact match “Silvercote, a Service Partners company, manufactures high-quality metal building insulation products customized to project specifications.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 16 | 107 contacts → | ||||
Exact match “Underground Solutions, Inc- an Azuria Water Solutions company - delivers leading pipeline solutions for water, sewer, and underground conduit and casing for HDD and duct bank…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 17 | 103 contacts → | ||||
Exact match “NEPTCO, a Chase Corporation company, is a global leader in engineered materials for the utility, construction, and telecom industries.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 18 | 93 contacts → | ||||
Exact match “Epsilyte is one of North America’s leading producers of advanced insulative materials.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 19 | 92 contacts → | ||||
Exact match “Founded in 1942, Bayou is widely recognized as a market leader in onshore pipe coatings and offshore coatings and insulation, including highly-specialized insulation for the oil &…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 20 | 68 contacts → | ||||
Exact match “UPSCO was established in 1965 as a manufacturer of prefabricated meter sets for the natural gas industry.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 21 | 66 contacts → | ||||
Exact match “At Freedom Waterworks, we're revolutionizing the water, wastewater, and petrochemical industries with our comprehensive piping solutions and unparalleled expertise.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 22 | 61 contacts → | ||||
Exact match “Bay Insulation Systems is the leading supplier of metal building insulation and systems in North America.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 23 | 54 contacts → | ||||
Exact match “Founded in 1958, The Nelson Companies is a family of independently operated specialty contracting businesses serving commercial, industrial, healthcare, education, manufacturing…” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 24 | 53 contacts → | ||||
Exact match “Since 1947, National Underground Group, formerly known as Hoffman Southwest Corp, has provided a full spectrum of services to maintain healthy underground infrastructures.” Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase | |||||
| 25 | 50 contacts → | ||||
Exact match “With fabricating facilities in New Jersey, North Carolina and Georgia, Pacor custom fabricates and distributes fiberglass, aerogel, ceramic and foam industrial insulation products…” Recorded in the RevenueBase company graph · Nov 3, 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 “underground insulation suppliers”. 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 385 underground insulation suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 3,453 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Underground insulation suppliers based in the United States at a glance
As of Nov 3, 2026Companies by employee count
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 385 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 “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. 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 3,453 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.
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 based in the United States?
RevenueBase identified 385 company matches for underground insulation suppliers associated with the United States 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 city has the most underground insulation suppliers?
Houston leads with 12 company records, followed by Phoenix (5) and Arlington (4).
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 3,453 professional contacts with verified work emails tracked across these 385 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 385 underground insulation suppliers based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Underground insulation suppliers by geography
- Underground insulation suppliers based in Australia
- Underground insulation suppliers based in Belgium
- Underground insulation suppliers based in Brazil
- Underground insulation suppliers based in Canada
- Underground insulation suppliers based in Denmark
- Underground insulation suppliers based in France
- Underground insulation suppliers based in Germany
- Underground insulation suppliers based in India
- Underground insulation suppliers based in Italy
- Underground insulation suppliers based in the Netherlands
- Underground insulation suppliers based in Poland
- Underground insulation suppliers based in Spain
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Underground insulation suppliers based in Australia
- Underground insulation suppliers based in Belgium
- Underground insulation suppliers based in Brazil
- Underground insulation suppliers based in Canada
- Underground insulation suppliers based in Denmark
- Underground insulation suppliers based in France
Company intelligence · public preview
Top 25 underground insulation suppliers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 385 matching company records for underground insulation suppliers based in the United States, with 10,797 tracked contacts and 3,453 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 3, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 underground insulation suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | EJejco.com HQ: East Jordan, OH, United StatesReported employees: 1,001-5,000 | East Jordan, OH, United States | 1,001-5,000 | Exact match | 1,289 contacts → |
“EJ is the global leader in the design, manufacture, and distribution of access solutions for the world’s growing infrastructure.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Miller Pipelinemillerpipeline.com HQ: Indianapolis, OH, United StatesReported employees: 1,001-5,000 | Indianapolis, OH, United States | 1,001-5,000 | Exact match | 1,051 contacts → |
“Miller Pipeline is the single-source, premier provider for all underground construction system solutions in transmission, distribution, and water/wastewater management.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Infrasource, A Quanta Services Companyinfrasourceus.com HQ: King Of Prussia, VA, United StatesReported employees: 1,001-5,000 | King Of Prussia, VA, United States | 1,001-5,000 | Exact match | 575 contacts → |
“As one of the nations largest underground specialty contractors, InfraSource has over employees strategically positioned across more than 20 operating centers.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Distribution Internationaldistributioninternational.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 517 contacts → |
“Distribution International (DI) a leading distributor of thermal and acoustical insulation and related supplies for maintenance and repair operations in the United States.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | SPIspi-co.com HQ: Charlotte, CT, United StatesReported employees: 1,001-5,000 | Charlotte, CT, United States | 1,001-5,000 | Exact match | 502 contacts → |
“SPI is a global leader in the Distribution and Specialty Fabrication of insulation products for Thermal, Acoustic, Fire Protection and Refractory applications.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | The Okonite Companyokonite.com HQ: Ramsey, NJ, United StatesReported employees: 1,001-5,000 | Ramsey, NJ, United States | 1,001-5,000 | Exact match | 498 contacts → |
“The Okonite Company was founded in 1878 making it one of the original insulators of electrical wire and cable in the United States.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Service Partnersservice-partners.com HQ: Daytona Beach, FL, United StatesReported employees: 501-1,000 | Daytona Beach, FL, United States | 501-1,000 | Exact match | 465 contacts → |
“Service Partners is a nationwide distributor of building supplies used in the construction industry.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | General Insulation Company, INCgeneralinsulation.com HQ: Medford, MA, United StatesReported employees: 501-1,000 | Medford, MA, United States | 501-1,000 | Exact match | 340 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 |  Macarthur COmacarthurco.comHQ: St. Paul, CA, United StatesReported employees: 501-1,000 | St. Paul, CA, United States | 501-1,000 | Exact match | 283 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  Arizona Pipeline Companyarizonapipeline.comHQ: Corona, CA, United StatesReported employees: 1,001-5,000 | Corona, CA, United States | 1,001-5,000 | Exact match | 273 contacts → |
“Arizona Pipeline Company (APC) is a leading underground utility contractor, delivering critical infrastructure with a commitment to safety, quality, and long-term performance.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | I&i Insulations, INCii-us.com HQ: Harahan, LA, United StatesReported employees: 1,001-5,000 | Harahan, LA, United States | 1,001-5,000 | Exact match | 220 contacts → |
“Founded in New Orleans, LA in 1970, Insulations, Inc.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | USA Insulationusainsulation.com HQ: Cleveland, OH, United StatesReported employees: 51-200 | Cleveland, OH, United States | 51-200 | Exact match | 169 contacts → |
“Established in 1977 and incorporated in 1985, USA Insulation has saved thousands of customers millions of dollars on their heating and air conditioning bills.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | K-Flex USAkflexusa.com HQ: Youngsville, NC, United StatesReported employees: 201-500 | Youngsville, NC, United States | 201-500 | Exact match | 159 contacts → |
“K-FLEX USA is the North American division of the IK Insulation Group, an innovative leader in flexible elastomeric foam insulation with 12 production facilities worldwide and a…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Denver, AL, United StatesReported employees: 201-500 | Denver, AL, United States | 201-500 | Exact match | 150 contacts → |
“JM is the leading manufacturer of thermal insulation solutions for high and low-temperature industrial applications.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Silvercotesilvercote.com HQ: Greenville, SC, United StatesReported employees: 51-200 | Greenville, SC, United States | 51-200 | Exact match | 123 contacts → |
“Silvercote, a Service Partners company, manufactures high-quality metal building insulation products customized to project specifications.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Underground Solutionsundergroundsolutions.com HQ: San Diego, PA, United StatesReported employees: 1,001-5,000 | San Diego, PA, United States | 1,001-5,000 | Exact match | 107 contacts → |
“Underground Solutions, Inc- an Azuria Water Solutions company - delivers leading pipeline solutions for water, sewer, and underground conduit and casing for HDD and duct bank…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Neptcochasecorp.com HQ: Westwood, NC, United StatesReported employees: 201-500 | Westwood, NC, United States | 201-500 | Exact match | 103 contacts → |
“NEPTCO, a Chase Corporation company, is a global leader in engineered materials for the utility, construction, and telecom industries.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Epsilyteepsilyte.comHQ: The Woodlands, TX, United StatesReported employees: 201-500 | The Woodlands, TX, United States | 201-500 | Exact match | 93 contacts → |
“Epsilyte is one of North America’s leading producers of advanced insulative materials.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  The Bayou Companiesbayoucompanies.comHQ: New Iberia, LA, United StatesReported employees: 501-1,000 | New Iberia, LA, United States | 501-1,000 | Exact match | 92 contacts → |
“Founded in 1942, Bayou is widely recognized as a market leader in onshore pipe coatings and offshore coatings and insulation, including highly-specialized insulation for the oil &…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | UPSCOupscoinc.com HQ: Moravia, NY, United StatesReported employees: 51-200 | Moravia, NY, United States | 51-200 | Exact match | 68 contacts → |
“UPSCO was established in 1965 as a manufacturer of prefabricated meter sets for the natural gas industry.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Freedom Waterworksfreedomwaterworks.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 66 contacts → |
“At Freedom Waterworks, we're revolutionizing the water, wastewater, and petrochemical industries with our comprehensive piping solutions and unparalleled expertise.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | BAY Insulation Systemsbayinsulation.com HQ: Green Bay, FL, United StatesReported employees: 201-500 | Green Bay, FL, United States | 201-500 | Exact match | 61 contacts → |
“Bay Insulation Systems is the leading supplier of metal building insulation and systems in North America.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | The Nelson Companiesnelsoninsulation.com HQ: Lake Zurich, IL, United StatesReported employees: 51-200 | Lake Zurich, IL, United States | 51-200 | Exact match | 54 contacts → |
“Founded in 1958, The Nelson Companies is a family of independently operated specialty contracting businesses serving commercial, industrial, healthcare, education, manufacturing…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  National Underground Groupnationalu.comHQ: Irvine, CA, United StatesReported employees: 501-1,000 | Irvine, CA, United States | 501-1,000 | Exact match | 53 contacts → |
“Since 1947, National Underground Group, formerly known as Hoffman Southwest Corp, has provided a full spectrum of services to maintain healthy underground infrastructures.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Pacor INCpacorinc.com HQ: Bordentown, NJ, United StatesReported employees: 51-200 | Bordentown, NJ, United States | 51-200 | Exact match | 50 contacts → |
“With fabricating facilities in New Jersey, North Carolina and Georgia, Pacor custom fabricates and distributes fiberglass, aerogel, ceramic and foam industrial insulation products…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 385 company matches
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Underground insulation suppliers: dataset insights
November 3, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
382 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 385 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 3, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for underground insulation suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many underground insulation suppliers did RevenueBase find based in the United States?
The saved snapshot records 385 matching company records, 10,797 tracked contacts and 3,453 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 3, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Underground insulation suppliers by geography
- Underground insulation suppliers based in Australia
- Underground insulation suppliers based in Belgium
- Underground insulation suppliers based in Brazil
- Underground insulation suppliers based in Canada
- Underground insulation suppliers based in Denmark
- Underground insulation suppliers based in France
- Underground insulation suppliers based in Germany
- Underground insulation suppliers based in India
- Underground insulation suppliers based in Italy
- Underground insulation suppliers based in the Netherlands
- Underground insulation suppliers based in Poland
- Underground insulation suppliers based in Spain
Cite this list
RevenueBase Data Team. Top 25 underground insulation suppliers based in the United States. Snapshot: November 3, 2026. https://revenuebase.ai/companies/underground-insulation-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Underground insulation suppliers based in Australia
- Underground insulation suppliers based in Belgium
- Underground insulation suppliers based in Brazil
- Underground insulation suppliers based in Canada
- Underground insulation suppliers based in Denmark
- Underground insulation suppliers based in France
Company intelligence · public preview
Top 25 underground insulation suppliers based in the United States
RevenueBase records 385 matching company records for underground insulation suppliers based in the United States, with 10,797 tracked contacts and 3,453 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 3, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 underground insulation suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | EJejco.com HQ: East Jordan, OH, United StatesReported employees: 1,001-5,000 | East Jordan, OH, United States | 1,001-5,000 | Exact match | 1,289 contacts → |
“EJ is the global leader in the design, manufacture, and distribution of access solutions for the world’s growing infrastructure.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Miller Pipelinemillerpipeline.com HQ: Indianapolis, OH, United StatesReported employees: 1,001-5,000 | Indianapolis, OH, United States | 1,001-5,000 | Exact match | 1,051 contacts → |
“Miller Pipeline is the single-source, premier provider for all underground construction system solutions in transmission, distribution, and water/wastewater management.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Infrasource, A Quanta Services Companyinfrasourceus.com HQ: King Of Prussia, VA, United StatesReported employees: 1,001-5,000 | King Of Prussia, VA, United States | 1,001-5,000 | Exact match | 575 contacts → |
“As one of the nations largest underground specialty contractors, InfraSource has over employees strategically positioned across more than 20 operating centers.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Distribution Internationaldistributioninternational.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 517 contacts → |
“Distribution International (DI) a leading distributor of thermal and acoustical insulation and related supplies for maintenance and repair operations in the United States.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | SPIspi-co.com HQ: Charlotte, CT, United StatesReported employees: 1,001-5,000 | Charlotte, CT, United States | 1,001-5,000 | Exact match | 502 contacts → |
“SPI is a global leader in the Distribution and Specialty Fabrication of insulation products for Thermal, Acoustic, Fire Protection and Refractory applications.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | The Okonite Companyokonite.com HQ: Ramsey, NJ, United StatesReported employees: 1,001-5,000 | Ramsey, NJ, United States | 1,001-5,000 | Exact match | 498 contacts → |
“The Okonite Company was founded in 1878 making it one of the original insulators of electrical wire and cable in the United States.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Service Partnersservice-partners.com HQ: Daytona Beach, FL, United StatesReported employees: 501-1,000 | Daytona Beach, FL, United States | 501-1,000 | Exact match | 465 contacts → |
“Service Partners is a nationwide distributor of building supplies used in the construction industry.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | General Insulation Company, INCgeneralinsulation.com HQ: Medford, MA, United StatesReported employees: 501-1,000 | Medford, MA, United States | 501-1,000 | Exact match | 340 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | Macarthur COmacarthurco.com HQ: St. Paul, CA, United StatesReported employees: 501-1,000 | St. Paul, CA, United States | 501-1,000 | Exact match | 283 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Arizona Pipeline Companyarizonapipeline.com HQ: Corona, CA, United StatesReported employees: 1,001-5,000 | Corona, CA, United States | 1,001-5,000 | Exact match | 273 contacts → |
“Arizona Pipeline Company (APC) is a leading underground utility contractor, delivering critical infrastructure with a commitment to safety, quality, and long-term performance.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | I&i Insulations, INCii-us.com HQ: Harahan, LA, United StatesReported employees: 1,001-5,000 | Harahan, LA, United States | 1,001-5,000 | Exact match | 220 contacts → |
“Founded in New Orleans, LA in 1970, Insulations, Inc.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | USA Insulationusainsulation.com HQ: Cleveland, OH, United StatesReported employees: 51-200 | Cleveland, OH, United States | 51-200 | Exact match | 169 contacts → |
“Established in 1977 and incorporated in 1985, USA Insulation has saved thousands of customers millions of dollars on their heating and air conditioning bills.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | K-Flex USAkflexusa.com HQ: Youngsville, NC, United StatesReported employees: 201-500 | Youngsville, NC, United States | 201-500 | Exact match | 159 contacts → |
“K-FLEX USA is the North American division of the IK Insulation Group, an innovative leader in flexible elastomeric foam insulation with 12 production facilities worldwide and a…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Denver, AL, United StatesReported employees: 201-500 | Denver, AL, United States | 201-500 | Exact match | 150 contacts → |
“JM is the leading manufacturer of thermal insulation solutions for high and low-temperature industrial applications.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Silvercotesilvercote.com HQ: Greenville, SC, United StatesReported employees: 51-200 | Greenville, SC, United States | 51-200 | Exact match | 123 contacts → |
“Silvercote, a Service Partners company, manufactures high-quality metal building insulation products customized to project specifications.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Underground Solutionsundergroundsolutions.com HQ: San Diego, PA, United StatesReported employees: 1,001-5,000 | San Diego, PA, United States | 1,001-5,000 | Exact match | 107 contacts → |
“Underground Solutions, Inc- an Azuria Water Solutions company - delivers leading pipeline solutions for water, sewer, and underground conduit and casing for HDD and duct bank…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Neptcochasecorp.com HQ: Westwood, NC, United StatesReported employees: 201-500 | Westwood, NC, United States | 201-500 | Exact match | 103 contacts → |
“NEPTCO, a Chase Corporation company, is a global leader in engineered materials for the utility, construction, and telecom industries.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Epsilyteepsilyte.com HQ: The Woodlands, TX, United StatesReported employees: 201-500 | The Woodlands, TX, United States | 201-500 | Exact match | 93 contacts → |
“Epsilyte is one of North America’s leading producers of advanced insulative materials.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | The Bayou Companiesbayoucompanies.com HQ: New Iberia, LA, United StatesReported employees: 501-1,000 | New Iberia, LA, United States | 501-1,000 | Exact match | 92 contacts → |
“Founded in 1942, Bayou is widely recognized as a market leader in onshore pipe coatings and offshore coatings and insulation, including highly-specialized insulation for the oil &…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | UPSCOupscoinc.com HQ: Moravia, NY, United StatesReported employees: 51-200 | Moravia, NY, United States | 51-200 | Exact match | 68 contacts → |
“UPSCO was established in 1965 as a manufacturer of prefabricated meter sets for the natural gas industry.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Freedom Waterworksfreedomwaterworks.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 66 contacts → |
“At Freedom Waterworks, we're revolutionizing the water, wastewater, and petrochemical industries with our comprehensive piping solutions and unparalleled expertise.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | BAY Insulation Systemsbayinsulation.com HQ: Green Bay, FL, United StatesReported employees: 201-500 | Green Bay, FL, United States | 201-500 | Exact match | 61 contacts → |
“Bay Insulation Systems is the leading supplier of metal building insulation and systems in North America.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | The Nelson Companiesnelsoninsulation.com HQ: Lake Zurich, IL, United StatesReported employees: 51-200 | Lake Zurich, IL, United States | 51-200 | Exact match | 54 contacts → |
“Founded in 1958, The Nelson Companies is a family of independently operated specialty contracting businesses serving commercial, industrial, healthcare, education, manufacturing…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | National Underground Groupnationalu.com HQ: Irvine, CA, United StatesReported employees: 501-1,000 | Irvine, CA, United States | 501-1,000 | Exact match | 53 contacts → |
“Since 1947, National Underground Group, formerly known as Hoffman Southwest Corp, has provided a full spectrum of services to maintain healthy underground infrastructures.” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Pacor INCpacorinc.com HQ: Bordentown, NJ, United StatesReported employees: 51-200 | Bordentown, NJ, United States | 51-200 | Exact match | 50 contacts → |
“With fabricating facilities in New Jersey, North Carolina and Georgia, Pacor custom fabricates and distributes fiberglass, aerogel, ceramic and foam industrial insulation products…” Recorded description excerpt · November 3, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 385 company matches
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Underground insulation suppliers: dataset insights
November 3, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
382 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 385 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 3, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for underground insulation suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many underground insulation suppliers did RevenueBase find based in the United States?
The saved snapshot records 385 matching company records, 10,797 tracked contacts and 3,453 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 3, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 underground insulation suppliers based in the United States. Snapshot: November 3, 2026. https://revenuebase.ai/companies/underground-insulation-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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