Company lists · Data refreshed November 2026

Top 25 Room temperature vulcanization (rtv) silicones architectural weatherseal & glazing services based in the United States

RevenueBase identified 76 company matches for room temperature vulcanization (rtv) silicones architectural weatherseal & glazing services associated with the United States as of November 2026 and tracks 700 professional contacts across them, including 247 with verified work emails. Cleveland is the largest hub.

This list covers company matches for room temperature vulcanization (rtv) silicones architectural weatherseal & glazing services 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 1, 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 Nov 1, 2026 How this list was built
76Companies
700Contacts tracked
247Verified emails
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The 25 largest room temperature vulcanization (rtv) silicones architectural weatherseal & glazing services based in the United States

Ranked by team size
Top 25 of 76 company matches for room temperature vulcanization (rtv) silicones architectural weatherseal & glazing services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 1, 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 matchHarleysville, PA, United StatesHQ recorded Nov 1, 202651-20096 contacts →

Exact match

“Since its founding in 1862, Pecora has developed and manufactured trusted solutions to meet the changing demands of the commercial waterproofing industry.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
2Exact matchCleveland, OH, United StatesHQ recorded Nov 1, 202651-20093 contacts →

Exact match

“Novagard manufactures silicone sealants, coatings, lubricants, and foams for the electronics, transportation/automotive, manufacturing, construction, medical, and military markets.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
3Exact matchMassillon, OH, United StatesHQ recorded Nov 1, 202651-20052 contacts →

Exact match

“Premier Building Solutions develops and manufactures a complete range of high-performance adhesive and sealant products which include Silicone, Latex, MS Polymer, Butyl, Flashing…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
4Exact matchDowners Grove, IL, United StatesHQ recorded Nov 1, 202651-20045 contacts →

Exact match

“Caulking & Sealants Commerical Powerwashing Dryvit - Exterior Insulation Finishing Systems Masonry Restoration Exterior Painting Insulation”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
5Exact matchTipp City, OH, United StatesHQ recorded Nov 1, 202651-20039 contacts →

Exact match

“Since our founding in 1970, we've proudly served our producers and end users with a full line of top-quality products.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
6Exact matchSeattle, WA, United StatesHQ recorded Nov 1, 202611-5021 contacts →

Exact match

“Serving the Greater Pacific Northwest since 1917, Atlas Supply, Inc.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
7Exact matchMentor, OH, United StatesHQ recorded Nov 1, 202651-20017 contacts →

Exact match

“We are a custom compounding sealant and adhesive manufacturer.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
8Exact matchMassillon, OH, United StatesHQ recorded Nov 1, 202651-20015 contacts →

Exact match

“R2 Sealant Systems, LLC is a family-owned company based out of Massillon, Ohio.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
9Exact matchShelton, CT, United StatesHQ recorded Nov 1, 202651-20015 contacts →

Exact match

“EPDM Coatings has been focused on custom manufacturing of high-quality roofing sealants for over 30 years.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
10Exact matchSomerset, PA, United StatesHQ recorded Nov 1, 202651-20014 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
11Exact matchSalem, OR, United StatesHQ recorded Nov 1, 202611-5013 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
12Exact matchGreenville, SC, United StatesHQ recorded Nov 1, 202611-5010 contacts →

Exact match

“At Qualflex Technologies, we don't just manufacture adhesives – we craft solutions.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
13Exact matchGardena, CA, United StatesHQ recorded Nov 1, 202611-5010 contacts →

Exact match

“Manufacturer of industrial adhesives, sealants, coatings, specialty silicone compounds and custom formulations including very low or no VOC products.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
14Exact matchGreenville, SC, United StatesHQ recorded Nov 1, 202651-2009 contacts →

Exact match

“Siroflex, Incorporated is a leading producer of color matched caulks and sealants.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
15Exact matchCleveland, OH, United StatesHQ recorded Nov 1, 202611-508 contacts →

Exact match

“Almost every major construction project in Ohio has caulk or sealant purchased from the RL Wurz Company.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
16Exact matchEarth City, MO, United StatesHQ recorded Nov 1, 202651-2008 contacts →

Exact match

“ADFAST manufactures & distributes high-performance sealants, adhesives, insulating foams, and grommets for a wide variety of construction & manufacturing applications.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
17Exact matchLynn, MA, United StatesHQ recorded Nov 1, 202611-508 contacts →

Exact match

“Providing solutions to your high temperature insulating and sealing needs.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
18Exact matchTulsa, OK, United StatesHQ recorded Nov 1, 20261-107 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
19Exact matchWaverly, TN, United StatesHQ recorded Nov 1, 202611-506 contacts →

Exact match

“Established in 1989, Adaseal International has been recognized as one of America’s foremost suppliers in the Silicone RTV sealants and adhesives industry.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
20Exact matchMineola, NY, United StatesHQ recorded Nov 1, 202651-2005 contacts →

Exact match

“Gt Products Inc is a chemicals company based out of 501 Industrial Blvd.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
21Exact matchPhoenixville, PA, United StatesHQ recorded Nov 1, 202611-505 contacts →

Exact match

“TBP Construction Products has been distributing waterproofing, weatherproofing, masonry and concrete repair materials since 1995.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
22Exact matchBerkeley, CA, United StatesHQ recorded Nov 1, 20261-105 contacts →

Exact match

“Davlin Coatings is a California based manufacturer of high performance roof coatings and waterproofing systems serving commercial, industrial, and institutional buildings across…”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
23Exact matchWillowbrook, IL, United StatesHQ recorded Nov 1, 202611-505 contacts →

Exact match

“Our past projects include both new construction and repairs/restorations.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
24Exact matchBrooklyn, United StatesHQ recorded Nov 1, 20261-104 contacts →

Exact match

“At Deerco, we take pride in being a leading distributor of high-quality joint sealing application products.”

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase
25Exact matchWichita, KS, United StatesHQ recorded Nov 1, 20261-104 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 1, 2026 · View company records in RevenueBase

Showing 25 of 76 room temperature vulcanization (rtv) silicones architectural weatherseal & glazing services based in the United States

See the full list, filter by size, metro and specialty, and access 247 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Room temperature vulcanization (rtv) silicones architectural weatherseal & glazing services based in the United States at a glance

As of Nov 1, 2026
35.3%Verified-email coverage
9.2Average contacts per company
11-50Median size (employees)
2.6%Largest-city concentration · Cleveland
Nov 1, 2026Page data refreshed

Companies by employee count

1-10
29
11-50
26
51-200
18
201-500
1
501-1,000
2

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 76 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 “room temperature vulcanization (rtv) silicones architectural weatherseal & glazing services” 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 247 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 1, 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 “room temperature vulcanization (rtv) silicones architectural weatherseal & glazing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many room temperature vulcanization (rtv) silicones architectural weatherseal & glazing services are there based in the United States?

RevenueBase identified 76 company matches for room temperature vulcanization (rtv) silicones architectural weatherseal & glazing services 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?

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

Which city has the most room temperature vulcanization (rtv) silicones architectural weatherseal & glazing services?

Cleveland leads with 2 company records, followed by Greenville (2) and Houston (2).

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 247 professional contacts with verified work emails tracked across these 76 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 1, 2026.

Ready to reach these companies? Verified emails and direct dials for all 76 room temperature vulcanization (rtv) silicones architectural weatherseal & glazing services based in the United States. Start with a free account, no credit card.

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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.