Company lists · Data refreshed November 2026

Top 25 Weatherization service contractors worldwide

RevenueBase identified 685 company matches for weatherization service contractors worldwide as of November 2026 and tracks 5,321 professional contacts across them, including 1,345 with verified work emails. The United States is the largest market and Austin the largest hub.

This list covers company matches for weatherization service contractors 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 6, 2026. Country and city lists for weatherization service contractors 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 6, 2026 How this list was built
685Companies
5,321Contacts tracked
1,345Verified emails
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The 25 largest weatherization service contractors worldwide

Ranked by team size
Top 25 of 685 company matches for weatherization service contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchLelystad, NetherlandsHQ recorded Nov 6, 20261,001-5,000813 contacts →

Exact match

“Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMedford, MA, United StatesHQ recorded Nov 6, 2026201-500381 contacts →

Exact match

“At HomeWorks Energy, our mission is simple, literally: Energy Efficiency, Simplified.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchDania Beach, FL, United StatesHQ recorded Nov 6, 2026201-500177 contacts →

Exact match

“Hill York is a full service contractor that offers a full array of energy efficient air-conditioning services from concept to completion, maintenance to repair and everything in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLynnwood, WA, United StatesHQ recorded Nov 6, 2026n/a173 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPhelps, NY, United StatesHQ recorded Nov 6, 202651-20089 contacts →

Exact match

“Halco is a highly accredited, national award-winning contractor that has been providing high-quality solutions to residential and commercial clients since 1984.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchWilmington, MA, United StatesHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“helps Massachusetts residents reduce energy consumption and costs, and increase comfort in their homes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchRancho Cordova, CA, United StatesHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“When you turn to us for your homes' energy efficient upgrade, you can take comfort in knowing you've made the right choice for your Plumbing, Electrical, Solar or Heating and Air…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLaval, QC, CanadaHQ recorded Nov 6, 202651-20061 contacts →

Exact match

“Depuis 1987, Lysair se démarque par la qualité de ses projets et de ses services d’entretien en ventilation, climatisation et chauffage dans les secteurs résidentiels…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchAuckland, New ZealandHQ recorded Nov 6, 2026201-50055 contacts →

Exact match

“Brightr is here to make New Zealand lives better, one home at a time – and that’s got to be a positive thing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchParis, FranceHQ recorded Nov 6, 202611-5053 contacts →

Exact match

“Ithaque a été créée avec la conviction que la rénovation énergétique des maisons est un enjeu central de la transition écologique.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMontclair, CA, United StatesHQ recorded Nov 6, 2026201-50047 contacts →

Exact match

“HVAC, Plumbing, Insulation, Weatherization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchUnited StatesHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“Energy efficient homes begin with the protective shell around the home called the thermal envelope.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchTigard, OR, United StatesHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“Since 2013, Performance Insulation & Energy Services has been offering cost-effective insulation, weatherization, and energy services to builders in the Pacific Northwest.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchFareham, United KingdomHQ recorded Nov 6, 202651-20041 contacts →

Exact match

“Hello.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchClichy, FranceHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“Depuis 2009, TucoEnergie est engagé pour rendre la rénovation énergétique possible et accessible au plus grand nombre.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchCerritos, CA, United StatesHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“Saving energy not only saves you money, but it also helps protect our planet's resources for generations to come.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDurham, NC, United StatesHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“Green Horizon - North Carolina's leader in HVAC, Insulation and Crawl Space services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchRockford, IL, United StatesHQ recorded Nov 6, 202651-20037 contacts →

Exact match

“Greenlink Energy Solutions is headquartered in Rockford, Illinois and serves clients nationwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSeymour, CT, United StatesHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Dr.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHuntingburg, IN, United StatesHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Superior BES has been a leader in providing insulation services to the surrounding areas for over 20 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAnaheim, CA, United StatesHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Cat Exteriors is a home renovation contractor specializing in energy-efficient windows, HVAC systems, roofing, exterior coatings, and patio covers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCherry Hill, NJ, United StatesHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“Welcome to Allied Experts!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMadera, AZ, United StatesHQ recorded Nov 6, 202651-20027 contacts →

Exact match

“Vezina Industries, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLondon, ON, CanadaHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“We work with home owners who are looking to upgrade their electricial, plumbing and heating & cooling systems, I partner with them to make a fit based on their specific needs and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSomerville, MA, United StatesHQ recorded Nov 6, 202651-20025 contacts →

Exact match

“We spend 90% of our lives in buildings.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 685 weatherization service contractors worldwide

See the full list, filter by size, metro and specialty, and access 1,345 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Weatherization service contractors worldwide at a glance

As of Nov 6, 2026
25.3%Verified-email coverage
7.8Average contacts per company
1-10Median size (employees)
1.3%Largest-city concentration · Austin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
346
11-50
261
51-200
58
201-500
10
1,001-5,000
1

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 weatherization service contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “weatherization service contractors” 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 1,345 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 6, 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.

Weatherization service contractors by location

4 lists · largest first

Every Weatherization service contractors 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 “weatherization service contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many weatherization service contractors are there worldwide?

RevenueBase identified 685 company matches for weatherization service contractors 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?

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

Which country has the most weatherization service contractors?

The United States leads with 418 companies, followed by France (69) and Canada (29). Every weatherization service contractors list by country and city is linked on this page.

Which city has the most weatherization service contractors?

Austin leads with 9 company records, followed by London (5) and Paris (5).

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 1,345 professional contacts with verified work emails tracked across these 685 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 6, 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 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.