Company lists · Data refreshed September 2026
Top 25 Piston ring manufacturers worldwide
RevenueBase identified 204 piston ring manufacturers worldwide as of September 2026 and tracks 6,135 professional contacts across them, including 975 with verified work emails. India is the largest market and Rajkot the largest hub.
This list covers piston ring 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 30, 2026. Country and city lists for piston ring 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 piston ring manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,858 contacts → | ||||
Strong evidence “SPR Auto Technologies Limited (formerly Shriram Pistons & Rings Limited) has an exceptional lineage of Shriram Group, one of the most reputed Industrial houses.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 541 contacts → | ||||
Strong evidence “India Pistons Limited (IPL) is the oldest and one of the largest producers of Pistons, Piston Rings, Gudgeon Pins & Cylinder Liners and allied components in India.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 209 contacts → | ||||
Strong evidence “Cross is a world leading manufacturer of aerospace seals, aircraft piston rings and custom seal rings for aircraft engines, steam turbines, vehicle turbochargers, control valves…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 190 contacts → | ||||
Partial evidence “Es una compañía global independiente líder en la fabricación de pistones para la industria automotriz” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 144 contacts → | ||||
Strong evidence “It is a leading manufacturer of piston rings, clutch plates, groove/alfin inserts and flat plates along with innovative products like moly plasma inlaid rings, chrome scrapper…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 128 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 118 contacts → | ||||
Indirect evidence “Dereli Holding A.Ş, whose incorporation dates back to 1967, laid the foundation of today's Federal Mogul Powertrain Otomotiv A.Ş (“Federal Mogul Turkey”) in 1995 by entering into…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 75 contacts → | ||||
Strong evidence “Asso Werke is a full liner manufacturer of thermal engine components since 1949: pistons, cylinders and liners, rings, gudgeon pins and engine blocks.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 74 contacts → | ||||
Strong evidence “ABILITIES INDIA PISTONS AND RINGS LIMITED is a machinery company based out of F-301, FLOOR, ASHISH COMPLEX LSC, NEW RAJDHANI ENCLAVE, VIKAS MARG, DELHI, Delhi, India.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 54 contacts → | ||||
Strong evidence “IP Rings Limited (IPRL) is a leading manufacturer of piston rings, high-precision forgings, and crank pins, with expertise in cutting-edge surface treatment technologies, surface…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 47 contacts → | ||||
Indirect evidence “CP-Carrillo was founded with the mission of servicing the needs of enthusiasts and racers who desire to build the highest quality engines.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 47 contacts → | ||||
Strong evidence “The world’s leading manufacturers depend on Grover piston rings and seals to meet their most demanding application needs.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 47 contacts → | ||||
Partial evidence “With over 60 years of experience, JE Pistons is the leader in high performance forged pistons.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 44 contacts → | ||||
Partial evidence “United Engine & Machine Co.(UEM Pistons) is a cast & forged piston manufacturing company.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 43 contacts → | ||||
Indirect evidence “In life and in geometry, the most mature shape ever to exist is the circle.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 39 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 30 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 24 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 23 contacts → | ||||
Strong evidence “Precision Rings, Incorporated (PRI) is the leading designer and manufacturer of high temperature piston rings and seal rings since 1949.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 20 contacts → | ||||
Indirect evidence “The name "IRLE" stands for 330 years of experiance in metal processing and for 200 years of experience, technological competence and continuous research and development in the…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 16 contacts → | ||||
Partial evidence “Somos una empresa con 67 años de trayectoria en la fabricación de pistones.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 15 contacts → | ||||
Partial evidence “Specialized in the production of gravity casted, forged pistons, air-cooled finned cylinders, centrifugal liners and made of aluminium forged liners with special coating inside…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 14 contacts → | ||||
Strong evidence “PPUK is a renowned manufacturer of low speed 2 stroke, medium speed 4 stroke, and industrially applied piston rings and sealing rings.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 14 contacts → | ||||
Strong evidence “THN is a wholesale distributor of piston rings, Fey Laminar rings, plain bearings, sintered filters and linear components.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 13 contacts → | ||||
Partial evidence “Parsat Piston A.Ş which is the pioneer of Turkish piston industry was founded on 1968 and started production under German Kolbenschmidt licence on 1970.” Source: RevenueBase Database · checked Sep 30, 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: piston ring 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 piston ring manufacturers.
- Partial evidence
- Its own public description names part of piston ring manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name piston ring 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 204 piston ring manufacturers worldwide
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 975 reachable decision-makers.
Free signup · no credit card
Piston ring manufacturers worldwide at a glance
As of Sep 30, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 piston ring 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
- Every country. Country and city lists for piston ring manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “piston ring 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 piston ring 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 piston ring 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, 975 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 30, 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.
Piston ring manufacturers by location
2 lists · largest firstEvery Piston ring 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 piston ring 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 piston ring manufacturers are there worldwide?
RevenueBase identified 204 piston ring 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?
SPR Auto Technologies Limited, headquartered in New Delhi, tops this list with the largest team on record.
Which country has the most piston ring manufacturers?
India leads with 68 companies, followed by the United States (27). Every piston ring manufacturers list by country and city is linked on this page.
Which city has the most piston ring manufacturers?
Rajkot leads with 14 headquartered companies, followed by Agra (7) and Delhi (6).
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 975 verified decision-maker contacts tracked across these 204 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 30, 2026.
Ready to reach these companies? Verified emails and direct dials for all 204 piston ring manufacturers worldwide. Start with a free account, no credit card.
Download this list →Related lists
Browse the directory
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.