Company lists · Data refreshed September 2026
Top 25 Penstock manufacturers worldwide
RevenueBase identified 162 penstock manufacturers worldwide as of September 2026 and tracks 4,965 professional contacts across them, including 2,146 with verified work emails and 0 with mobile numbers. The United States is the largest market and Kolkata the largest hub.
This list covers penstock manufacturers worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026. Country and city lists for penstock manufacturers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 penstock manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 885 contacts → | ||||
Partial evidence “AMERICAN Cast Iron Pipe Company, founded in Birmingham, Ala, in 1905, is a manufacturer of ductile iron pipe, spiral-welded steel pipe, fire hydrants and valves for the waterworks…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 2 | 398 contacts → | ||||
Partial evidence “Northwest Pipe Company is the largest manufacturer of engineered welded steel pipe water systems in North America.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 3 | 373 contacts → | ||||
Indirect evidence “With over 85 years’ experience, Iplex has an excellent understanding of the challenges the water industry faces.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 4 | 330 contacts → | ||||
Partial evidence “Our mission is to provide customers with pipe solutions for water, drainage, sewage, storm water, hydroelectric/penstock and industrial applications.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 5 | 267 contacts → | ||||
Indirect evidence “Prinsco is a growing, industry leader in the water management industry serving the agricultural, stormwater, residential and onsite markets.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 6 | 265 contacts → | ||||
Indirect evidence “Ford Meter Box – an industry leader The Ford Meter Box Company, Inc.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 7 | 192 contacts → | ||||
Indirect evidence “Vishal Pipes Limited is the one the oldest company in Manufacturing and Exporter of ERW pipes (Both Galvanised and Black), uPVC Pipes, Conduit Pipes, Hand Pumps, HDPE Pipes…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 8 | 162 contacts → | ||||
Indirect evidence “One - stop Solution Provider for Municipal, Wastewater, Irrigation, Industrial & Fire - fighting Pipelines: DI/CI Pipes, Fittings/Specials, Valves, Manhole Covers, Fire Hydrants…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 9 | 117 contacts → | ||||
Partial evidence “Topline industries is one of the leading manufacturer of premium quality Blow & Roto water storage tanks, PVC & HDPE pipes and fittings in India.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 10 | 111 contacts → | ||||
Strong evidence “Manufacturer of Large Diameter Fiberglass Pipe for sanitary sewer, storm sewer, potable water, penstocks, industrial applications and more.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 11 | 98 contacts → | ||||
Partial evidence “Leading manufacturer of Steel Pipeline’s and fittings for the water industry, providing world class jointing systems, external corrosion protection and internal corrosion…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 12 | 88 contacts → | ||||
Partial evidence “C&B Piping, LLC is a manufacturer and supplier of ductile iron pipe systems.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 13 | 88 contacts → | ||||
Partial evidence “Huliot is a leading Israeli manufacturer of advanced pipe systems and innovative plastic products.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 14 | 71 contacts → | ||||
Partial evidence “Blue Diamond Industries is a premier manufacturer of high density polyethylene (HDPE) pipe, headquartered in Lexington, Kentucky.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 15 | 70 contacts → | ||||
Indirect evidence “David Moss Corporation (DAMOS) is a 100% Australian-owned leader in the manufacturing and supply of High-Density Polyethylene (HDPE) and Polyvinyl Chloride (PVC) pipe systems.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 16 | 69 contacts → | ||||
Partial evidence “Pipeline Plastics is the Leading Manufacturer of High Performance Polyethylene Pressure Pipe for drinking water, irrigation, mining, industrial, sewer, and oil and gas…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 17 | 58 contacts → | ||||
Partial evidence “Advance Products & Systems, LLC, founded in 1978, is a leading manufacturer and distributor of water & wastewater, oil & gas, industrial & mechanical, and chemical pipeline…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 18 | 55 contacts → | ||||
Partial evidence “For 60+ years we’ve manufactured and supplied PVC pipes plus composite hoses, steel reo, ventilation and ducting to various industries in Australia.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 19 | 54 contacts → | ||||
Partial evidence “Electrosteel are a leading manufacturer of Ductile Iron Pipes, Fittings, and Ancillary Pipeline Products supplying around the globe.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 20 | 52 contacts → | ||||
Indirect evidence “Kapilansh Dhatu Udyog (P) Ltd.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 21 | 50 contacts → | ||||
Strong evidence “AWMA Water Control Solutions design, manufacture and install aluminium and stainless steel water control infrastructure including water gates, penstocks, flood barriers, stop…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 22 | 39 contacts → | ||||
Partial evidence “Delivering excellence for over 36 years, BKB Group is a leading manufacturer of pumping products and water storage tanks across the commercial building, civil and resource…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 23 | 30 contacts → | ||||
Indirect evidence “Superior Piping Solutions ISO9001 Certified | Industry Leader in PVC, PE, Carbon Steel, Stainless Steel and Aluminium Systems | Trusted by Civil, Industrial, Mining, Water…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 24 | 29 contacts → | ||||
Partial evidence “Founded in 1912, Waterman is a manufacturer of flow control solutions for water utilities, wastewater treatment, agricultural irrigation and hydro-power.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 25 | 26 contacts → | ||||
Indirect evidence “Read below about us.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: penstock manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names penstock manufacturers.
- Partial evidence
- Its own public description names part of penstock manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name penstock manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 162 penstock manufacturers worldwide
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Penstock manufacturers worldwide at a glance
As of Sep 17, 2026Companies by employee count
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among penstock manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- 4 countries, largest first: the United States, India, the United Kingdom, Australia. Country and city lists for penstock manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “penstock manufacturers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names penstock manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among penstock manufacturers, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 2,146 across the full list. 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 September 17, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Penstock manufacturers by location
4 lists · largest firstEvery Penstock manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names penstock manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many penstock manufacturers are there worldwide?
RevenueBase identified 162 penstock manufacturers worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
American Cast Iron Pipe Company, headquartered in Birmingham, tops this list with the largest team on record.
Which country has the most penstock manufacturers?
The United States leads with 51 companies, followed by India (48) and the United Kingdom (38). Every penstock manufacturers list by country and city is linked on this page.
Which city has the most penstock manufacturers?
Kolkata leads with 4 headquartered companies, followed by Houston (3) and Ahmedabad (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,146 verified decision-maker contacts tracked across these 162 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, 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.