Company lists · Data refreshed October 2026
Top 23 Custom flanges suppliers based in the United States
RevenueBase identified 45 company matches for custom flanges suppliers associated with the United States as of October 2026 and tracks 437 professional contacts across them, including 185 with verified work emails. Houston is the largest hub.
This list covers company matches for custom flanges suppliers associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 24, 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 23 largest custom flanges suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 60 contacts → | ||||
Exact match “API International, Inc, founded in 1968, manufactures flanges, expansion joints, valve accessories and other pipe fittings for Agriculture, Exhaust, HVAC and Water Works.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 2 | 49 contacts → | ||||
Exact match “U.S.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 3 | 29 contacts → | ||||
Exact match “Kerkau Manufacturing is an industry leading, high quality, pipe flange and precision machined products manufacturer, specializing in flanges.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 4 | 27 contacts → | ||||
Exact match “Precision Flange & Machine, founded in 1989 in Houston, delivers ISO 9001-certified flanges, fittings and custom-machined components with a focus on quality, reliability and…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 5 | 26 contacts → | ||||
Exact match “Founded by John D.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 6 | 23 contacts → | ||||
Exact match “Core Pipe is one of the premier manufacturers of stainless and alloy pipe fittings & flanges in the world.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 7 | 22 contacts → | ||||
Exact match “Lee Supply was founded in 1973 by Sid and Maxine Lee and their two sons, Dennis and Doug.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 8 | 19 contacts → | ||||
Exact match “Great Plains Stainless provides a wide range of alloys for stainless steel pipe, tube, flanges and fittings.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 9 | 15 contacts → | ||||
Exact match “Texas Flange provides ASME and Non code Industrial pipe flanges for the Petrochemical, Process, and Waterworks industries in Stainless Steel Industrial Flanges, Alloy Steel…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 10 | 14 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 11 | 12 contacts → | ||||
Exact match “Field Industries simplifies supply chain for industrial piping product consumers.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 12 | 11 contacts → | ||||
Exact match “General Flange is a domestic manufacturer of flanges in carbon steel, stainless steel, and the alloys.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 13 | 10 contacts → | ||||
Exact match “Gibson Products is a specialty pipe fittings manufacturer serving companies in refining, petrochemical, energy, fertilizer, and more worldwide.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 14 | 7 contacts → | ||||
Exact match “At O.E.M.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 15 | 6 contacts → | ||||
Exact match “At Tripac we are making it a better water world.one connection at a time!” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “Coastal Flange is a manufacturer and distributor of pipe flanges from 1/2” through 200” OD.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “Since 1981, Tri-State Supply stocks quality products made by Leading Manufacturers of Flanges, Weld Fittings, Long Weld Necks, Pressure Fittings, Valves and Specialty products in…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “Sunpack Inc is a wholesale fabrication and distribution company selling flange kits, as well as individual gaskets and industrial fasteners.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 19 | 4 contacts → | ||||
Exact match “VL Flange is one of the distributors of pipe & supplies in the nation.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “Flexible Systems Products, a company that manufactures custom bellows, flanges, and elbows to your specifics.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 22 | 1 contacts → | ||||
Exact match “WHAT WE DO: By being a custom manufacturer- We allow piping engineers design more efficient systems than having to use commercially available pipe flanges- We help industrial PVF…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 23 | 1 contacts → | ||||
Exact match “SPD offers a complete line of exhaust components for Exhaust Fabricators ranging from Mandrel Bent Tubing, Mandrel Bends, CNC Header Flanges, Merge Collectors, Collector Flanges…” Recorded in the RevenueBase company graph · Oct 24, 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 “custom flanges suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 23 of 45 custom flanges suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 185 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Custom flanges suppliers based in the United States at a glance
As of Oct 24, 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 45 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 “custom flanges suppliers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 185 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 24, 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 “custom flanges suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many custom flanges suppliers are there based in the United States?
RevenueBase identified 45 company matches for custom flanges suppliers 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?
API International, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most custom flanges suppliers?
Houston leads with 13 company records, followed by Tulsa (3) and Garrettsville (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 185 professional contacts with verified work emails tracked across these 45 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 24, 2026.
Ready to reach these companies? Verified emails and direct dials for all 45 custom flanges suppliers based in the United States. Start with a free account, no credit card.
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Custom flanges suppliers by geography
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.
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Company intelligence · public preview
Top 23 custom flanges suppliers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 45 matching company records for custom flanges suppliers based in the United States, with 437 tracked contacts and 185 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 24, 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 23 custom flanges suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  API International, INCapiint.comHQ: Tualatin, OR, United StatesReported employees: 51-200 | Tualatin, OR, United States | 51-200 | Exact match | 60 contacts → |
“API International, Inc, founded in 1968, manufactures flanges, expansion joints, valve accessories and other pipe fittings for Agriculture, Exhaust, HVAC and Water Works.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | U.S. Metals, INCusmetals.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 49 contacts → |
“U.S.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Kerkau Manufacturingkerkau.com HQ: Bay City, MI, United StatesReported employees: 11-50 | Bay City, MI, United States | 11-50 | Exact match | 29 contacts → |
“Kerkau Manufacturing is an industry leading, high quality, pipe flange and precision machined products manufacturer, specializing in flanges.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Precision Flange And Machine, INCprecisionflange.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 27 contacts → |
“Precision Flange & Machine, founded in 1989 in Houston, delivers ISO 9001-certified flanges, fittings and custom-machined components with a focus on quality, reliability and…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Delta Machine & Ironworksteamdeltausa.com HQ: Baton Rouge, LA, United StatesReported employees: 51-200 | Baton Rouge, LA, United States | 51-200 | Exact match | 26 contacts → |
“Founded by John D.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Core Pipe Products, INCcorepipe.com HQ: Carol Stream, IL, United StatesReported employees: 51-200 | Carol Stream, IL, United States | 51-200 | Exact match | 23 contacts → |
“Core Pipe is one of the premier manufacturers of stainless and alloy pipe fittings & flanges in the world.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | LEE Supply Company, LLClee-supply.com HQ: Tulsa, OK, United StatesReported employees: 51-200 | Tulsa, OK, United States | 51-200 | Exact match | 22 contacts → |
“Lee Supply was founded in 1973 by Sid and Maxine Lee and their two sons, Dennis and Doug.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Great Plains Stainlessgpss.com HQ: Tulsa, OK, United StatesReported employees: 11-50 | Tulsa, OK, United States | 11-50 | Exact match | 19 contacts → |
“Great Plains Stainless provides a wide range of alloys for stainless steel pipe, tube, flanges and fittings.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Texas Flangetexasflange.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 15 contacts → |
“Texas Flange provides ASME and Non code Industrial pipe flanges for the Petrochemical, Process, and Waterworks industries in Stainless Steel Industrial Flanges, Alloy Steel…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Trustop INCtrustopinc.com HQ: Tempe, AZ, United StatesReported employees: 11-50 | Tempe, AZ, United States | 11-50 | Exact match | 14 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Field Industries LLCfieldindustries.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 12 contacts → |
“Field Industries simplifies supply chain for industrial piping product consumers.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Gffc Holdings, Llc. General Flange & Forgegeneralflange.com HQ: Wauseon, OH, United StatesReported employees: 11-50 | Wauseon, OH, United States | 11-50 | Exact match | 11 contacts → |
“General Flange is a domestic manufacturer of flanges in carbon steel, stainless steel, and the alloys.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Gibson Products INCgibsonproducts.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 10 contacts → |
“Gibson Products is a specialty pipe fittings manufacturer serving companies in refining, petrochemical, energy, fertilizer, and more worldwide.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | OEM Products LLCoemprod.com HQ: Sun Prairie, WI, United StatesReported employees: 11-50 | Sun Prairie, WI, United States | 11-50 | Exact match | 7 contacts → |
“At O.E.M.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Tripactripaconline.com HQ: Corona, CA, United StatesReported employees: 51-200 | Corona, CA, United States | 51-200 | Exact match | 6 contacts → |
“At Tripac we are making it a better water world.one connection at a time!” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Coastal Flange INCcoastalflange.com HQ: Jersey Village, TX, United StatesReported employees: 11-50 | Jersey Village, TX, United States | 11-50 | Exact match | 6 contacts → |
“Coastal Flange is a manufacturer and distributor of pipe flanges from 1/2” through 200” OD.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Tri-State Supply Co., INCtri-statesupply.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 5 contacts → |
“Since 1981, Tri-State Supply stocks quality products made by Leading Manufacturers of Flanges, Weld Fittings, Long Weld Necks, Pressure Fittings, Valves and Specialty products in…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Sunpack INCsunpackinc.com HQ: Pensacola, FL, United StatesReported employees: 11-50 | Pensacola, FL, United States | 11-50 | Exact match | 5 contacts → |
“Sunpack Inc is a wholesale fabrication and distribution company selling flange kits, as well as individual gaskets and industrial fasteners.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | VL Flange & Supply, LLCvlflange.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 4 contacts → |
“VL Flange is one of the distributors of pipe & supplies in the nation.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Harrison Machine & Plastic Corpharrisonplastic.com HQ: Garrettsville, OH, United StatesReported employees: 11-50 | Garrettsville, OH, United States | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Flexible Systems Productsflexiblesystemsproducts.com HQ: Los Angeles, CA, United StatesReported employees: 1-10 | Los Angeles, CA, United States | 1-10 | Exact match | 3 contacts → |
“Flexible Systems Products, a company that manufactures custom bellows, flanges, and elbows to your specifics.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Piping Supplies INCpipingsuppliesinc.com HQ: Williamstown, NJ, United StatesReported employees: 11-50 | Williamstown, NJ, United States | 11-50 | Exact match | 1 contacts → |
“WHAT WE DO: By being a custom manufacturer- We allow piping engineers design more efficient systems than having to use commercially available pipe flanges- We help industrial PVF…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Specialty Products Designspdexhaust.com HQ: Rancho Cordova, CA, United StatesReported employees: 1-10 | Rancho Cordova, CA, United States | 1-10 | Exact match | 1 contacts → |
“SPD offers a complete line of exhaust components for Exhaust Fabricators ranging from Mandrel Bent Tubing, Mandrel Bends, CNC Header Flanges, Merge Collectors, Collector Flanges…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 45 company matches
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Custom flanges suppliers: dataset insights
October 24, 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
45 records in the displayed employee bands.
0 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 45 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: October 24, 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 custom flanges suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many custom flanges suppliers did RevenueBase find based in the United States?
The saved snapshot records 45 matching company records, 437 tracked contacts and 185 verified emails. The public preview displays 23 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: October 24, 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
Custom flanges suppliers by geography
Cite this list
RevenueBase Data Team. Top 23 custom flanges suppliers based in the United States. Snapshot: October 24, 2026. https://revenuebase.ai/companies/custom-flanges-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Custom flanges suppliers based in Mumbai, India
- Custom flanges suppliers 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
Company intelligence · public preview
Top 23 custom flanges suppliers based in the United States
RevenueBase records 45 matching company records for custom flanges suppliers based in the United States, with 437 tracked contacts and 185 verified work emails.
This public preview shows 23 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 24, 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 23 custom flanges suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | API International, INCapiint.com HQ: Tualatin, OR, United StatesReported employees: 51-200 | Tualatin, OR, United States | 51-200 | Exact match | 60 contacts → |
“API International, Inc, founded in 1968, manufactures flanges, expansion joints, valve accessories and other pipe fittings for Agriculture, Exhaust, HVAC and Water Works.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | U.S. Metals, INCusmetals.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 49 contacts → |
“U.S.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Kerkau Manufacturingkerkau.com HQ: Bay City, MI, United StatesReported employees: 11-50 | Bay City, MI, United States | 11-50 | Exact match | 29 contacts → |
“Kerkau Manufacturing is an industry leading, high quality, pipe flange and precision machined products manufacturer, specializing in flanges.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Precision Flange And Machine, INCprecisionflange.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 27 contacts → |
“Precision Flange & Machine, founded in 1989 in Houston, delivers ISO 9001-certified flanges, fittings and custom-machined components with a focus on quality, reliability and…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Delta Machine & Ironworksteamdeltausa.com HQ: Baton Rouge, LA, United StatesReported employees: 51-200 | Baton Rouge, LA, United States | 51-200 | Exact match | 26 contacts → |
“Founded by John D.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Core Pipe Products, INCcorepipe.com HQ: Carol Stream, IL, United StatesReported employees: 51-200 | Carol Stream, IL, United States | 51-200 | Exact match | 23 contacts → |
“Core Pipe is one of the premier manufacturers of stainless and alloy pipe fittings & flanges in the world.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | LEE Supply Company, LLClee-supply.com HQ: Tulsa, OK, United StatesReported employees: 51-200 | Tulsa, OK, United States | 51-200 | Exact match | 22 contacts → |
“Lee Supply was founded in 1973 by Sid and Maxine Lee and their two sons, Dennis and Doug.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Great Plains Stainlessgpss.com HQ: Tulsa, OK, United StatesReported employees: 11-50 | Tulsa, OK, United States | 11-50 | Exact match | 19 contacts → |
“Great Plains Stainless provides a wide range of alloys for stainless steel pipe, tube, flanges and fittings.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Texas Flangetexasflange.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 15 contacts → |
“Texas Flange provides ASME and Non code Industrial pipe flanges for the Petrochemical, Process, and Waterworks industries in Stainless Steel Industrial Flanges, Alloy Steel…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Trustop INCtrustopinc.com HQ: Tempe, AZ, United StatesReported employees: 11-50 | Tempe, AZ, United States | 11-50 | Exact match | 14 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Field Industries LLCfieldindustries.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 12 contacts → |
“Field Industries simplifies supply chain for industrial piping product consumers.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Gffc Holdings, Llc. General Flange & Forgegeneralflange.com HQ: Wauseon, OH, United StatesReported employees: 11-50 | Wauseon, OH, United States | 11-50 | Exact match | 11 contacts → |
“General Flange is a domestic manufacturer of flanges in carbon steel, stainless steel, and the alloys.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Gibson Products INCgibsonproducts.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 10 contacts → |
“Gibson Products is a specialty pipe fittings manufacturer serving companies in refining, petrochemical, energy, fertilizer, and more worldwide.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | OEM Products LLCoemprod.com HQ: Sun Prairie, WI, United StatesReported employees: 11-50 | Sun Prairie, WI, United States | 11-50 | Exact match | 7 contacts → |
“At O.E.M.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Tripactripaconline.com HQ: Corona, CA, United StatesReported employees: 51-200 | Corona, CA, United States | 51-200 | Exact match | 6 contacts → |
“At Tripac we are making it a better water world.one connection at a time!” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Coastal Flange INCcoastalflange.com HQ: Jersey Village, TX, United StatesReported employees: 11-50 | Jersey Village, TX, United States | 11-50 | Exact match | 6 contacts → |
“Coastal Flange is a manufacturer and distributor of pipe flanges from 1/2” through 200” OD.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Tri-State Supply Co., INCtri-statesupply.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 5 contacts → |
“Since 1981, Tri-State Supply stocks quality products made by Leading Manufacturers of Flanges, Weld Fittings, Long Weld Necks, Pressure Fittings, Valves and Specialty products in…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Sunpack INCsunpackinc.com HQ: Pensacola, FL, United StatesReported employees: 11-50 | Pensacola, FL, United States | 11-50 | Exact match | 5 contacts → |
“Sunpack Inc is a wholesale fabrication and distribution company selling flange kits, as well as individual gaskets and industrial fasteners.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | VL Flange & Supply, LLCvlflange.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 4 contacts → |
“VL Flange is one of the distributors of pipe & supplies in the nation.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Harrison Machine & Plastic Corpharrisonplastic.com HQ: Garrettsville, OH, United StatesReported employees: 11-50 | Garrettsville, OH, United States | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Flexible Systems Productsflexiblesystemsproducts.com HQ: Los Angeles, CA, United StatesReported employees: 1-10 | Los Angeles, CA, United States | 1-10 | Exact match | 3 contacts → |
“Flexible Systems Products, a company that manufactures custom bellows, flanges, and elbows to your specifics.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Piping Supplies INCpipingsuppliesinc.com HQ: Williamstown, NJ, United StatesReported employees: 11-50 | Williamstown, NJ, United States | 11-50 | Exact match | 1 contacts → |
“WHAT WE DO: By being a custom manufacturer- We allow piping engineers design more efficient systems than having to use commercially available pipe flanges- We help industrial PVF…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Specialty Products Designspdexhaust.com HQ: Rancho Cordova, CA, United StatesReported employees: 1-10 | Rancho Cordova, CA, United States | 1-10 | Exact match | 1 contacts → |
“SPD offers a complete line of exhaust components for Exhaust Fabricators ranging from Mandrel Bent Tubing, Mandrel Bends, CNC Header Flanges, Merge Collectors, Collector Flanges…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 23 of 45 company matches
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Custom flanges suppliers: dataset insights
October 24, 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
45 records in the displayed employee bands.
0 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 45 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: October 24, 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 custom flanges suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many custom flanges suppliers did RevenueBase find based in the United States?
The saved snapshot records 45 matching company records, 437 tracked contacts and 185 verified emails. The public preview displays 23 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: October 24, 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
Custom flanges suppliers by geography
Cite this list
RevenueBase Data Team. Top 23 custom flanges suppliers based in the United States. Snapshot: October 24, 2026. https://revenuebase.ai/companies/custom-flanges-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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