Company lists · Data refreshed October 2026

Top 25 Building envelope sealing contractors based in the United States

Name: Building envelope sealing contractors based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 9, 2026 1,254 companies tracked

RevenueBase identified 1,254 company matches for building envelope sealing contractors associated with the United States as of October 2026 and tracks 18,018 professional contacts across them, including 5,242 with verified work emails. New York is the largest hub.

This list covers company matches for building envelope sealing contractors 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 October 9, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 9, 2026 How this list was built

1,254Companies

18,018Contacts tracked

5,242Verified emails

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The 25 largest building envelope sealing contractors based in the United States

Ranked by team size

Top 25 of 1,254 company matches for building envelope sealing contractors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	The Garland Company, INC	Exact match	Cleveland, OH, United StatesHQ recorded Oct 9, 2026	201-500	522 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2	Henry, A Carlisle Company	Exact match	Kimberton, PA, United StatesHQ recorded Oct 9, 2026	501-1,000	467 contacts →
	Exact match “Henry, a Carlisle Company, is North America’s leader in Building Envelope Systems®, managing the flow of water, vapor, air, and energy from foundation to roof to ensure…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3	STO Corp	Exact match	Atlanta, GA, United StatesHQ recorded Oct 9, 2026	51-200	412 contacts →
	Exact match “Sto is an international technology leader in the design and production of innovative building materials tailored to human needs.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4	Western Specialty Contractors	Exact match	St. Louis, MO, United StatesHQ recorded Oct 9, 2026	1,001-5,000	401 contacts →
	Exact match “Western Specialty Contractors has been family-owned and operated since 1915, proudly serving clients nationwide with over 30+ branch offices.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5	Alpha Insulation & Waterproofing	Exact match	Marietta, GA, United StatesHQ recorded Oct 9, 2026	501-1,000	344 contacts →
	Exact match “With over a quarter-century of experience in commercial insulation, waterproofing, spray fireproofing, spray foam insulation, and restoration, Alpha has served as the benchmark…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6	Chamberlin Roofing & Waterproofing	Exact match	Houston, TX, United StatesHQ recorded Oct 9, 2026	501-1,000	323 contacts →
	Exact match “Chamberlin Roofing & Waterproofing is an established specialty contractor that provides roofing and sheet metal, waterproofing and caulking, building and garage restoration, as…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7	Siplast	Exact match	Arkadelphia, AR, United StatesHQ recorded Oct 9, 2026	51-200	293 contacts →
	Exact match “Siplast is a recognized leader in high-performance commercial roofing, waterproofing, and building enclosure solutions, serving North America for over 50 years.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8	Centria	Exact match	Lewisville, TX, United StatesHQ recorded Oct 9, 2026	501-1,000	270 contacts →
	Exact match “CENTRIA has been leading the way with high performance architectural systems and building envelopes for well over 100 years.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9	I&i Insulations, INC	Exact match	Harahan, LA, United StatesHQ recorded Oct 9, 2026	1,001-5,000	229 contacts →
	Exact match “Founded in New Orleans, LA in 1970, Insulations, Inc.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10	CDC Curtainwall Design And Consulting, INC	Exact match	Dallas, TX, United StatesHQ recorded Oct 9, 2026	201-500	217 contacts →
	Exact match “At CDC, our design, engineering and consulting services are dedicated to a structure’s most distinctive architectural feature: the building envelope.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11	EDA Contractors, INC	Exact match	Bensalem, PA, United StatesHQ recorded Oct 9, 2026	201-500	192 contacts →
	Exact match “Founded in EDA Contractors holds an extensive portfolio and experience on the exterior envelope of commercial, institutional, and industrial buildings.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12	Global Group	Exact match	Phoenix, UT, United StatesHQ recorded Oct 9, 2026	501-1,000	190 contacts →
	Exact match “Global is a privately owned company headquartered in Phoenix, AZ, serving the entire United States with trusted building envelope solutions since 1971.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13	Best Contracting Services INC	Exact match	Gardena, CA, United StatesHQ recorded Oct 9, 2026	501-1,000	184 contacts →
	Exact match “BEST Contracting Services is a large specialty contractor that provides construction services for the entire Building Envelope.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14	Kovach	Exact match	Chandler, AZ, United StatesHQ recorded Oct 9, 2026	201-500	181 contacts →
	Exact match “Helping architects, general contractors and building owners with award-winning facades.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15	Kpost Company Building Envelope Contractor	Exact match	Dallas, TX, United StatesHQ recorded Oct 9, 2026	201-500	164 contacts →
	Exact match “Established in 2004 as a commercial roofing company, KPost has undergone remarkable growth in its 20-year journey.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16	USA Insulation	Exact match	Cleveland, OH, United StatesHQ recorded Oct 9, 2026	51-200	160 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 · Oct 9, 2026 · View company records in RevenueBase
17	Greenwood Industries	Exact match	Worcester, MA, United StatesHQ recorded Oct 9, 2026	501-1,000	150 contacts →
	Exact match “Greenwood Industries is the custom building envelope solutions company.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18	Beacon Waterproofing Products	Exact match	Jacksonville, FL, United StatesHQ recorded Oct 9, 2026	51-200	130 contacts →
	Exact match “At Beacon Waterproofing, we’re the largest, nationwide distributor of commercial sealants and specialty waterproofing solutions.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19	Gilsanz Murray Steficek	Exact match	New York, NY, United StatesHQ recorded Oct 9, 2026	51-200	129 contacts →
	Exact match “Gilsanz Murray Steficek is a structural engineering and building envelope consulting firm committed to creating solutions.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20	Coastal	Exact match	East Windsor, NJ, United StatesHQ recorded Oct 9, 2026	51-200	129 contacts →
	Exact match “From new construction homes to the complex specialty projects we’re famous for, Coastal is ready to get to work on your building, with a team of engineers that manufactures and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21	Olympic Companies, INC	Exact match	Minnetonka, MN, United StatesHQ recorded Oct 9, 2026	201-500	110 contacts →
	Exact match “Commercial Specialty Contracting - Metal Framing - Drywall - Lath and Plaster - EIFS (Exterior Insulation and Finish Systems)- Spray Applied Fireproofing - Spray Foam Insulation -…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22	Prosoco, INC	Exact match	Lawrence, KS, United StatesHQ recorded Oct 9, 2026	51-200	108 contacts →
	Exact match “PROSOCO is a national manufacturer of construction products for improving the energy-efficiency, sustainability, performance and appearance of buildings.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23	LRT Restoration Technologies	Exact match	Monroe, OH, United StatesHQ recorded Oct 9, 2026	201-500	108 contacts →
	Exact match “LRT Restoration Technologies is a premier specialty contractor with expertise in building envelope restoration, structural restoration, waterproofing, and industrial restoration.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24	Chaparral Company	Exact match	Waco, TX, United StatesHQ recorded Oct 9, 2026	1,001-5,000	107 contacts →
	Exact match “Chaparral Insulation has proudly served the mechanical insulation industry for more than 30 years.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25	Hohmann & Barnard	Exact match	Hauppauge, IL, United StatesHQ recorded Oct 9, 2026	51-200	104 contacts →
	Exact match “For over 90 years, Hohmann & Barnard, Inc, a Berkshire Hathaway Company, has delivered innovative solutions for the masonry industry.” Recorded in the RevenueBase company graph · Oct 9, 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 “building envelope sealing contractors”. 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 1,254 building envelope sealing contractors based in the United States

See the full list, filter by size, metro and specialty, and access 5,242 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Building envelope sealing contractors based in the United States at a glance

As of Oct 9, 2026

29.1%Verified-email coverage

14.4Average contacts per company

11-50Median size (employees)

2.5%Largest-city concentration · New York

Oct 9, 2026Page data refreshed

Companies by employee count

1-10

520

11-50

478

51-200

173

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,254 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 “building envelope sealing 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. 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 5,242 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 October 9, 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.

Building envelope sealing contractors by metro

Building envelope sealing contractors in New York31

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 “building envelope sealing contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many building envelope sealing contractors are there based in the United States?

RevenueBase identified 1,254 company matches for building envelope sealing contractors associated with the United States as of October 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?

The Garland Company, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most building envelope sealing contractors?

New York leads with 31 company records, followed by Houston (20) and Dallas (14).

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 5,242 professional contacts with verified work emails tracked across these 1,254 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 October 9, 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.