Company lists · Data refreshed November 2026
Top 25 Gypsum processors based in the United States
RevenueBase identified 60 company matches for gypsum processors associated with the United States as of November 2026 and tracks 3,991 professional contacts across them, including 1,604 with verified work emails. Denver is the largest hub.
This list covers company matches for gypsum processors 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 6, 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 gypsum processors based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,725 contacts → | ||||
Exact match “Foundation Building Materials (FBM) is North America's leading specialty building materials distributor, operating 370+ locations across the US and Canada.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,021 contacts → | ||||
Exact match “Nationwide Strength As one of the nation's largest distributors of gypsum wallboard and building materials, our multiple branches are set up to seamlessly work together to meet…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 252 contacts → | ||||
Exact match “American Gypsum has been manufacturing, selling, and distributing gypsum wallboard products since 1985.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 202 contacts → | ||||
Exact match “Eagle Materials Inc.(NYSE: EXP) is a leading U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 116 contacts → | ||||
Exact match “PABCO® Gypsum and QuietRock® are trusted partners to building professionals, delivering high-performance drywall solutions backed by decades of expertise and personalized support.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 51 contacts → | ||||
Exact match “Calcium Products Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 45 contacts → | ||||
Exact match “Republic Paperboard Company is a wholly owned subsidiary of Eagle Materials.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 37 contacts → | ||||
Exact match “Kosmos Cement Company LLC is a subsidiary of Eagle Materials Inc, based in Dallas, Texas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 24 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 23 contacts → | ||||
Exact match “We develop innovative products for the agricultural market including SUL4R-PLUS® fertilizer, a granular calcium sulfate that is engineered to provide improved crop yield for…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 17 contacts → | ||||
Exact match “We mine our own gypsum in Las Vegas to distribute throughout USA and export worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 17 contacts → | ||||
Exact match “GC Products, Inc has the reputation as the premier source for architectural products in the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 15 contacts → | ||||
Exact match “GBL Construction is a gypsum and portland concrete underlayment applicator.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 12 contacts → | ||||
Exact match “Garreco has been a trusted provider of quality dental products for over 30 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 12 contacts → | ||||
Exact match “Diamond K is the leader in the solution grade gypsum and minerals in the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 12 contacts → | ||||
Exact match “Gypsum Systems Leader in merit shop construction Since 1975.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 11 contacts → | ||||
Exact match “Novaphos has proprietary technology to make high-quality phosphoric acid using low-quality phosphate rock without making waste gypsum.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 10 contacts → | ||||
Exact match “PROVIDING THE HIGHEST QUALITY DESIGN, FABRICATION AND PROCESS CONTROL SYSTEMS WITH THE MOST RELIABLE TECHNOLOGY IN THE INDUSTRY.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 10 contacts → | ||||
Exact match “We are a small business located in Wathena, Kansas that specializes in creating quality pelletized lime, gypsum, and dolomitic lime.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 8 contacts → | ||||
Exact match “Action Gypsum is one of the few independent materials suppliers left in the industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 8 contacts → | ||||
Exact match “Performance Minerals Corp.(PMC) was established by the Gleason family in 1992.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “The Gypsum Association, a not-for-profit trade association founded in 1930, promotes the use of gypsum while advancing the development, growth, and general welfare of the gypsum…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 7 contacts → | ||||
Exact match “USA Gypsum recycles gypsum drywall for the construction industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 5 contacts → | ||||
Exact match “Fortis Gypsum + Supply was launched with a clear mission: bring truly personal service back to the region’s commercial building material supply industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 4 contacts → | ||||
Exact match “Amatec has developed High-Density Gypsum (HDG), a patented replacement for concrete that has a much smaller carbon footprint and faster curing rate without compromising strength…” Recorded in the RevenueBase company graph · Nov 6, 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 “gypsum processors”. 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 60 gypsum processors based in the United States
See the full list, filter by size, metro and specialty, and access 1,604 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Gypsum processors based in the United States at a glance
As of Nov 6, 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 60 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 “gypsum processors” 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 1,604 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.
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 “gypsum processors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many gypsum processors are there based in the United States?
RevenueBase identified 60 company matches for gypsum processors 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?
Foundation Building Materials tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most gypsum processors?
Denver leads with 3 company records, followed by Louisville (2) and Newark (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 1,604 professional contacts with verified work emails tracked across these 60 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.
Ready to reach these companies? Verified emails and direct dials for all 60 gypsum processors 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Gypsum processors based in India
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
Company intelligence · public preview
Top 25 gypsum processors 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 60 matching company records for gypsum processors based in the United States, with 3,991 tracked contacts and 1,604 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 6, 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 gypsum processors 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 |  Foundation Building Materialsmyfbm.comHQ: Santa Ana, CA, United StatesReported employees: 5,001-10,000 | Santa Ana, CA, United States | 5,001-10,000 | Exact match | 1,725 contacts → |
“Foundation Building Materials (FBM) is North America's leading specialty building materials distributor, operating 370+ locations across the US and Canada.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | L&w Supplylwsupply.com HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 1,021 contacts → |
“Nationwide Strength As one of the nation's largest distributors of gypsum wallboard and building materials, our multiple branches are set up to seamlessly work together to meet…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  American Gypsumamericangypsum.comHQ: Dallas, SC, United StatesReported employees: 201-500 | Dallas, SC, United States | 201-500 | Exact match | 252 contacts → |
“American Gypsum has been manufacturing, selling, and distributing gypsum wallboard products since 1985.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Eagle Materialseaglematerials.comHQ: Dallas, WY, United StatesReported employees: 1,001-5,000 | Dallas, WY, United States | 1,001-5,000 | Exact match | 202 contacts → |
“Eagle Materials Inc.(NYSE: EXP) is a leading U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Pabco Gypsumpabcogypsum.comHQ: Rancho Cordova, WA, United StatesReported employees: 201-500 | Rancho Cordova, WA, United States | 201-500 | Exact match | 116 contacts → |
“PABCO® Gypsum and QuietRock® are trusted partners to building professionals, delivering high-performance drywall solutions backed by decades of expertise and personalized support.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Calcium Productscalciumproducts.comHQ: Ames, IA, United StatesReported employees: 51-200 | Ames, IA, United States | 51-200 | Exact match | 51 contacts → |
“Calcium Products Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Republic Paperboard Company, LLCrepublicpaperboard.comHQ: Lawton, OK, United StatesReported employees: 201-500 | Lawton, OK, United States | 201-500 | Exact match | 45 contacts → |
“Republic Paperboard Company is a wholly owned subsidiary of Eagle Materials.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Kosmos Cement Companykosmoscement.comHQ: Louisville, KY, United StatesReported employees: 51-200 | Louisville, KY, United States | 51-200 | Exact match | 37 contacts → |
“Kosmos Cement Company LLC is a subsidiary of Eagle Materials Inc, based in Dallas, Texas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  National Gypsum COnationalgypsum.comHQ: Long Beach, CA, United StatesReported employees: 11-50 | Long Beach, CA, United States | 11-50 | Exact match | 24 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  Sul4r-Plussul4r-plus.comHQ: Louisville, KY, United StatesReported employees: 11-50 | Louisville, KY, United States | 11-50 | Exact match | 23 contacts → |
“We develop innovative products for the agricultural market including SUL4R-PLUS® fertilizer, a granular calcium sulfate that is engineered to provide improved crop yield for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Gypsum Resources High Grade Gypsumgypsumresources.comHQ: Las Vegas, United StatesReported employees: 201-500 | Las Vegas, United States | 201-500 | Exact match | 17 contacts → |
“We mine our own gypsum in Las Vegas to distribute throughout USA and export worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  GC Productsgcproductsinc.comHQ: Lincoln, CA, United StatesReported employees: 11-50 | Lincoln, CA, United States | 11-50 | Exact match | 17 contacts → |
“GC Products, Inc has the reputation as the premier source for architectural products in the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | GBL Constructiongblconstruction.com HQ: Harmony, PA, United StatesReported employees: 11-50 | Harmony, PA, United States | 11-50 | Exact match | 15 contacts → |
“GBL Construction is a gypsum and portland concrete underlayment applicator.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Garreco, LLCgarreco.comHQ: Heber Springs, AR, United StatesReported employees: 11-50 | Heber Springs, AR, United States | 11-50 | Exact match | 12 contacts → |
“Garreco has been a trusted provider of quality dental products for over 30 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Diamond K Gypsumdiamondkgypsum.comHQ: Richfield, UT, United StatesReported employees: 11-50 | Richfield, UT, United States | 11-50 | Exact match | 12 contacts → |
“Diamond K is the leader in the solution grade gypsum and minerals in the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Gypsum Systems Interiors LTDgypsumsystems.com HQ: Farmington, NY, United StatesReported employees: 11-50 | Farmington, NY, United States | 11-50 | Exact match | 12 contacts → |
“Gypsum Systems Leader in merit shop construction Since 1975.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Novaphosnovaphos.comHQ: Fort Meade, FL, United StatesReported employees: 11-50 | Fort Meade, FL, United States | 11-50 | Exact match | 11 contacts → |
“Novaphos has proprietary technology to make high-quality phosphoric acid using low-quality phosphate rock without making waste gypsum.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Industrial Project Solutions, INCindustrialprojectsolutions.comHQ: Spring, TX, United StatesReported employees: 1-10 | Spring, TX, United States | 1-10 | Exact match | 10 contacts → |
“PROVIDING THE HIGHEST QUALITY DESIGN, FABRICATION AND PROCESS CONTROL SYSTEMS WITH THE MOST RELIABLE TECHNOLOGY IN THE INDUSTRY.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  MK Minerals, INCmkminerals.comHQ: Wathena, KS, United StatesReported employees: 11-50 | Wathena, KS, United States | 11-50 | Exact match | 10 contacts → |
“We are a small business located in Wathena, Kansas that specializes in creating quality pelletized lime, gypsum, and dolomitic lime.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Action Gypsum Supply, L.Pactiongypsum.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 8 contacts → |
“Action Gypsum is one of the few independent materials suppliers left in the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Performance Minerals Corpperformancemineralscorp.comHQ: Birmingham, AL, United StatesReported employees: 11-50 | Birmingham, AL, United States | 11-50 | Exact match | 8 contacts → |
“Performance Minerals Corp.(PMC) was established by the Gleason family in 1992.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Gypsum Associationgypsum.orgHQ: Silver Spring, MD, United StatesReported employees: 1-10 | Silver Spring, MD, United States | 1-10 | Exact match | 7 contacts → |
“The Gypsum Association, a not-for-profit trade association founded in 1930, promotes the use of gypsum while advancing the development, growth, and general welfare of the gypsum…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  USA Gypsumusagypsum.comHQ: Denver, PA, United StatesReported employees: 11-50 | Denver, PA, United States | 11-50 | Exact match | 7 contacts → |
“USA Gypsum recycles gypsum drywall for the construction industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Fortis Gypsum Supplyfortisgypsum.comHQ: Holly Springs, NC, United StatesReported employees: 11-50 | Holly Springs, NC, United States | 11-50 | Exact match | 5 contacts → |
“Fortis Gypsum + Supply was launched with a clear mission: bring truly personal service back to the region’s commercial building material supply industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Amatecamatec-corp.comHQ: Newark, NJ, United StatesReported employees: 1-10 | Newark, NJ, United States | 1-10 | Exact match | 4 contacts → |
“Amatec has developed High-Density Gypsum (HDG), a patented replacement for concrete that has a much smaller carbon footprint and faster curing rate without compromising strength…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 60 company matches
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Gypsum processors: dataset insights
November 6, 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
58 records in the displayed employee bands.
2 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 60 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 6, 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 gypsum processors?
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 gypsum processors did RevenueBase find based in the United States?
The saved snapshot records 60 matching company records, 3,991 tracked contacts and 1,604 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 6, 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
Gypsum processors by geography
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 gypsum processors based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/gypsum-processors/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
- Gypsum processors based in India
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
Company intelligence · public preview
Top 25 gypsum processors based in the United States
RevenueBase records 60 matching company records for gypsum processors based in the United States, with 3,991 tracked contacts and 1,604 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 6, 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 gypsum processors 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 | Foundation Building Materialsmyfbm.com HQ: Santa Ana, CA, United StatesReported employees: 5,001-10,000 | Santa Ana, CA, United States | 5,001-10,000 | Exact match | 1,725 contacts → |
“Foundation Building Materials (FBM) is North America's leading specialty building materials distributor, operating 370+ locations across the US and Canada.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | L&w Supplylwsupply.com HQ: Chicago, IL, United StatesReported employees: 1,001-5,000 | Chicago, IL, United States | 1,001-5,000 | Exact match | 1,021 contacts → |
“Nationwide Strength As one of the nation's largest distributors of gypsum wallboard and building materials, our multiple branches are set up to seamlessly work together to meet…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | American Gypsumamericangypsum.com HQ: Dallas, SC, United StatesReported employees: 201-500 | Dallas, SC, United States | 201-500 | Exact match | 252 contacts → |
“American Gypsum has been manufacturing, selling, and distributing gypsum wallboard products since 1985.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Eagle Materialseaglematerials.com HQ: Dallas, WY, United StatesReported employees: 1,001-5,000 | Dallas, WY, United States | 1,001-5,000 | Exact match | 202 contacts → |
“Eagle Materials Inc.(NYSE: EXP) is a leading U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Pabco Gypsumpabcogypsum.com HQ: Rancho Cordova, WA, United StatesReported employees: 201-500 | Rancho Cordova, WA, United States | 201-500 | Exact match | 116 contacts → |
“PABCO® Gypsum and QuietRock® are trusted partners to building professionals, delivering high-performance drywall solutions backed by decades of expertise and personalized support.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Calcium Productscalciumproducts.com HQ: Ames, IA, United StatesReported employees: 51-200 | Ames, IA, United States | 51-200 | Exact match | 51 contacts → |
“Calcium Products Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Republic Paperboard Company, LLCrepublicpaperboard.com HQ: Lawton, OK, United StatesReported employees: 201-500 | Lawton, OK, United States | 201-500 | Exact match | 45 contacts → |
“Republic Paperboard Company is a wholly owned subsidiary of Eagle Materials.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Kosmos Cement Companykosmoscement.com HQ: Louisville, KY, United StatesReported employees: 51-200 | Louisville, KY, United States | 51-200 | Exact match | 37 contacts → |
“Kosmos Cement Company LLC is a subsidiary of Eagle Materials Inc, based in Dallas, Texas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | National Gypsum COnationalgypsum.com HQ: Long Beach, CA, United StatesReported employees: 11-50 | Long Beach, CA, United States | 11-50 | Exact match | 24 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Sul4r-Plussul4r-plus.com HQ: Louisville, KY, United StatesReported employees: 11-50 | Louisville, KY, United States | 11-50 | Exact match | 23 contacts → |
“We develop innovative products for the agricultural market including SUL4R-PLUS® fertilizer, a granular calcium sulfate that is engineered to provide improved crop yield for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Gypsum Resources High Grade Gypsumgypsumresources.com HQ: Las Vegas, United StatesReported employees: 201-500 | Las Vegas, United States | 201-500 | Exact match | 17 contacts → |
“We mine our own gypsum in Las Vegas to distribute throughout USA and export worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | GC Productsgcproductsinc.com HQ: Lincoln, CA, United StatesReported employees: 11-50 | Lincoln, CA, United States | 11-50 | Exact match | 17 contacts → |
“GC Products, Inc has the reputation as the premier source for architectural products in the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | GBL Constructiongblconstruction.com HQ: Harmony, PA, United StatesReported employees: 11-50 | Harmony, PA, United States | 11-50 | Exact match | 15 contacts → |
“GBL Construction is a gypsum and portland concrete underlayment applicator.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Garreco, LLCgarreco.com HQ: Heber Springs, AR, United StatesReported employees: 11-50 | Heber Springs, AR, United States | 11-50 | Exact match | 12 contacts → |
“Garreco has been a trusted provider of quality dental products for over 30 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Diamond K Gypsumdiamondkgypsum.com HQ: Richfield, UT, United StatesReported employees: 11-50 | Richfield, UT, United States | 11-50 | Exact match | 12 contacts → |
“Diamond K is the leader in the solution grade gypsum and minerals in the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Gypsum Systems Interiors LTDgypsumsystems.com HQ: Farmington, NY, United StatesReported employees: 11-50 | Farmington, NY, United States | 11-50 | Exact match | 12 contacts → |
“Gypsum Systems Leader in merit shop construction Since 1975.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Novaphosnovaphos.com HQ: Fort Meade, FL, United StatesReported employees: 11-50 | Fort Meade, FL, United States | 11-50 | Exact match | 11 contacts → |
“Novaphos has proprietary technology to make high-quality phosphoric acid using low-quality phosphate rock without making waste gypsum.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Industrial Project Solutions, INCindustrialprojectsolutions.com HQ: Spring, TX, United StatesReported employees: 1-10 | Spring, TX, United States | 1-10 | Exact match | 10 contacts → |
“PROVIDING THE HIGHEST QUALITY DESIGN, FABRICATION AND PROCESS CONTROL SYSTEMS WITH THE MOST RELIABLE TECHNOLOGY IN THE INDUSTRY.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | MK Minerals, INCmkminerals.com HQ: Wathena, KS, United StatesReported employees: 11-50 | Wathena, KS, United States | 11-50 | Exact match | 10 contacts → |
“We are a small business located in Wathena, Kansas that specializes in creating quality pelletized lime, gypsum, and dolomitic lime.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Action Gypsum Supply, L.Pactiongypsum.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 8 contacts → |
“Action Gypsum is one of the few independent materials suppliers left in the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Performance Minerals Corpperformancemineralscorp.com HQ: Birmingham, AL, United StatesReported employees: 11-50 | Birmingham, AL, United States | 11-50 | Exact match | 8 contacts → |
“Performance Minerals Corp.(PMC) was established by the Gleason family in 1992.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Gypsum Associationgypsum.org HQ: Silver Spring, MD, United StatesReported employees: 1-10 | Silver Spring, MD, United States | 1-10 | Exact match | 7 contacts → |
“The Gypsum Association, a not-for-profit trade association founded in 1930, promotes the use of gypsum while advancing the development, growth, and general welfare of the gypsum…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | USA Gypsumusagypsum.com HQ: Denver, PA, United StatesReported employees: 11-50 | Denver, PA, United States | 11-50 | Exact match | 7 contacts → |
“USA Gypsum recycles gypsum drywall for the construction industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Fortis Gypsum Supplyfortisgypsum.com HQ: Holly Springs, NC, United StatesReported employees: 11-50 | Holly Springs, NC, United States | 11-50 | Exact match | 5 contacts → |
“Fortis Gypsum + Supply was launched with a clear mission: bring truly personal service back to the region’s commercial building material supply industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Amatecamatec-corp.com HQ: Newark, NJ, United StatesReported employees: 1-10 | Newark, NJ, United States | 1-10 | Exact match | 4 contacts → |
“Amatec has developed High-Density Gypsum (HDG), a patented replacement for concrete that has a much smaller carbon footprint and faster curing rate without compromising strength…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Gypsum processors: dataset insights
November 6, 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
58 records in the displayed employee bands.
2 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 60 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 6, 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 gypsum processors?
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 gypsum processors did RevenueBase find based in the United States?
The saved snapshot records 60 matching company records, 3,991 tracked contacts and 1,604 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 6, 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
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Cite this list
RevenueBase Data Team. Top 25 gypsum processors based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/gypsum-processors/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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