Company lists · Data refreshed September 2026
Top 25 Shaft coupling manufacturers based in the United States
RevenueBase identified 38 shaft coupling manufacturers headquartered in the United States as of September 2026 and tracks 788 professional contacts across them, including 303 with verified work emails. Auburn is the largest hub.
This list covers shaft coupling manufacturers headquartered in the United States, 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.
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 shaft coupling manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 100 contacts → | ||||
Strong evidence “Lovejoy is recognized around the world as the premier supplier of flexible shaft couplings and other power transmission components.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 56 contacts → | ||||
Partial evidence “We are a dynamic manufacturing company specializing in power transmission couplings such as Spindle Couplings, Ameriflex Class I high speed couplings, Class balanced couplings…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 45 contacts → | ||||
Strong evidence “Manufacturer of Motion Control and Power Transmission Components - Products include Composite Disc Couplings, Servo Couplings, Offset Couplings, Torque Limiters, Right Angle Gear…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 45 contacts → | ||||
Partial evidence “Elliott Manufacturing is a worldwide leader in flexible shaft systems that safely and efficiently transmit rotational power.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 40 contacts → | ||||
Partial evidence “Since 1946 Climax Metal Products Company has been a primary source for Engineered Shaft Locking Solutions ™.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 36 contacts → | ||||
Indirect evidence “Ruland Manufacturing Co, Inc.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 33 contacts → | ||||
Indirect evidence “Geislinger Corporation is located in Battle Creek, MI with a Sales, Service, and Manufacturing Facility supporting North and South America.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 32 contacts → | ||||
Indirect evidence “When a program demands a universal joint that won't fail under extreme misalignment, shock load, or challenging duty cycles, standard catalog parts may not be the answer.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 30 contacts → | ||||
Strong evidence “Hayes Manufacturing is a world-renowned manufacturer of power transmission products, specializing in couplings, engine casings, stub shafts, and more.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 27 contacts → | ||||
Strong evidence “Founded in 1857, TB Wood’s has grown to become a global leader in the design and manufacturer of industrial couplings and belted drive solutions.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 23 contacts → | ||||
Strong evidence “Engineering and manufacturing of precision shaft couplings for motion control and power transmission applications, with a wide variety of designs for torsional rigidity, vibration…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 22 contacts → | ||||
Partial evidence “G&G Manufacturing Company is a leading manufacturer and supplier of quality power transmission products since 1943.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 19 contacts → | ||||
Indirect evidence “Frontline Industries is an industrial service company that specializes in Rotating Equipment Repair, primarily Pumps, Fans, Motors, Gearboxes and related equipment.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 16 contacts → | ||||
Indirect evidence “The Reich USA Corporation is a wholly owned subsidiary of the Reich-Kupplungen company of Bochum Germany.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 16 contacts → | ||||
Indirect evidence “Mayr is a global leader in mechanical power transmission components for industrial machinery.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 14 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 8 contacts → | ||||
Strong evidence “Coupling Corporation of America designs and manufactures high-performance, flexible couplings for demanding industrial applications, including refineries, power plants, and…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 8 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 8 contacts → | ||||
Strong evidence “Dayton Superior Products is a quality manufacturer of shaft collars, couplings and clutches in a wide variety of material and finishes.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 6 contacts → | ||||
Indirect evidence “Machine Service, Inc is a locally family owned company that specializes in world class driveline products.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 6 contacts → | ||||
Partial evidence “FlexElement is an engineering, manufacturing and service company that provides API 671-compliant high performance power transmission couplings and related services for critical…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Strong evidence “Renowned for its innovative multiple overlapped curved-beam technology, Rocom Couplings Corporation develops, designs and manufactures an extraordinary selection of flexible shaft…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Strong evidence “Shaft collars and couplings • ISO 9001:2008 certified • Wholesale only.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Partial evidence “For more than 70 years, Guardian has been designing and manufacturing world-class couplings and other power transmission components.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Indirect evidence “Established in 1957, Transfluid has evolved to the market leader in the field of power transmissions equipment.” 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: shaft coupling 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 shaft coupling manufacturers.
- Partial evidence
- Its own public description names part of shaft coupling manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name shaft coupling 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 38 shaft coupling manufacturers based in the United States
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Shaft coupling manufacturers based in the United States at a glance
As of Sep 30, 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 38 companies.
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 shaft coupling 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.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “shaft coupling 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 shaft coupling 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 shaft coupling manufacturers, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- 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, 303 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.
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 shaft coupling 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 shaft coupling manufacturers are there based in the United States?
RevenueBase identified 38 shaft coupling manufacturers headquartered in the United States 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?
Lovejoy, headquartered in Downers Grove, tops this list with the largest team on record.
Which city has the most shaft coupling manufacturers?
Auburn leads with 2 headquartered companies, followed by Houston (2) and Mahwah (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 303 verified decision-maker contacts tracked across these 38 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.
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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.
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