Company lists · Data refreshed September 2026

Top 25 Power transmission part manufacturers based in the United States

Name: Power transmission part manufacturers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 207 companies tracked

RevenueBase identified 207 power transmission part manufacturers headquartered in the United States as of September 2026 and tracks 7,736 professional contacts across them, including 2,643 with verified work emails. Cleveland is the largest hub.

This list covers power transmission part 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 30, 2026 86% judged on-target in blind review

207Companies

7,736Contacts tracked

2,643Verified emails

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The 25 largest power transmission part manufacturers based in the United States

Ranked by team size

Top 25 of 207 power transmission part manufacturers based in the United States, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to power transmission part manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Gleason Corporation	Indirect evidence	Rochester, NY, United StatesHQ checked Sep 30, 2026	1,001-5,000	750 contacts →
	Indirect evidence “Gleason is a global leader in gear technology.” Source: RevenueBase Database · checked Sep 30, 2026
2	Dodge Industrial	Strong evidence	Simpsonville, SC, United StatesHQ checked Sep 30, 2026	1,001-5,000	660 contacts →
	Strong evidence “Dodge Industrial, an RBC Bearings company, designs, manufactures, and supplies customized mechanical power transmission products for a wide range of industries and markets…” Source: RevenueBase Database · checked Sep 30, 2026
3	Team Industries	Indirect evidence	Bagley, NC, United StatesHQ checked Sep 30, 2026	1,001-5,000	487 contacts →
	Indirect evidence “TEAM Industries is a market leader in drive train technology that offers a complete range of services that includes everything from collaboration on product designs to…” Source: RevenueBase Database · checked Sep 30, 2026
4	Altra Industrial Motion	Strong evidence	Braintree, MA, United StatesHQ checked Sep 30, 2026	5,001-10,000	467 contacts →
	Strong evidence “Motion Control and Power Transmission Solutions Altra is a premier global designer and producer of a wide range of motion control and power transmission solutions.” Source: RevenueBase Database · checked Sep 30, 2026
5	Hydro-Gear	Partial evidence	Sullivan, IL, United StatesHQ checked Sep 30, 2026	1,001-5,000	423 contacts →
	Partial evidence “Founded in 1991 and headquartered in Sullivan, IL, Hydro-Gear is a world leader in the design and manufacture of precision drive solutions for the commercial, residential, and…” Source: RevenueBase Database · checked Sep 30, 2026
6	Twin Disc	Strong evidence	Milwaukee, WI, United StatesHQ checked Sep 30, 2026	501-1,000	413 contacts →
	Strong evidence “For over 100 years Twin Disc has been developing, engineering, manufacturing and distributing power transmission products that put horsepower to work.” Source: RevenueBase Database · checked Sep 30, 2026
7	Fenner Drives	Strong evidence	Lititz, PA, United StatesHQ checked Sep 30, 2026	201-500	380 contacts →
	Strong evidence “Fenner Drives has developed a unique portfolio of products for power transmission, motion transfer and conveying applications.” Source: RevenueBase Database · checked Sep 30, 2026
8	Philadelphia Gear, Power Systems By Timken	Indirect evidence	King Of Prussia, PA, United StatesHQ checked Sep 30, 2026	201-500	186 contacts →
	Indirect evidence “Philadelphia Gear® brand enclosed drives are the product of over 130 years of innovative design engineering and manufacturing excellence.” Source: RevenueBase Database · checked Sep 30, 2026
9	Lufkin Gears	Indirect evidence	Lufkin, TX, United StatesHQ checked Sep 30, 2026	501-1,000	164 contacts →
	Indirect evidence “Our Lufkin Gears brand bring a deep history of industry-leading technology to demanding high-speed mechanical-drive, turbo machinery, and marine-propulsion applications.” Source: RevenueBase Database · checked Sep 30, 2026
10	Weasler Engineering	Indirect evidence	West Bend, WI, United StatesHQ checked Sep 30, 2026	201-500	149 contacts →
	Indirect evidence “Proudly marking our 75th anniversary this year, Weasler Engineering is celebrating a legacy built on expertise, innovation, reliability and an unwavering commitment to customer…” Source: RevenueBase Database · checked Sep 30, 2026
11	PT Tech LLC	Partial evidence	Wadsworth, OH, United StatesHQ checked Sep 30, 2026	51-200	148 contacts →
	Partial evidence “Since 1978, PT Tech has manufactured drivetrain solutions for OEM's in the Mining, Marine, Recycling, Roadworking, Wind Energy, Tunnel Boring, Steel and other markets.” Source: RevenueBase Database · checked Sep 30, 2026
12	Horsburgh & Scott	Indirect evidence	Cleveland, OH, United StatesHQ checked Sep 30, 2026	51-200	146 contacts →
	Indirect evidence “Horsburgh & Scott, founded in 1886, is one of the world's leading providers of custom industrial gears and gearboxes.” Source: RevenueBase Database · checked Sep 30, 2026
13	Cone Drive	Partial evidence	Traverse City, MI, United StatesHQ checked Sep 30, 2026	501-1,000	121 contacts →
	Partial evidence “Cone Drive engineers and manufactures gearing solutions for precision motion control and mission critical applications.” Source: RevenueBase Database · checked Sep 30, 2026
14	Boston Gear	Strong evidence	Charlotte, NC, United StatesHQ checked Sep 30, 2026	51-200	115 contacts →
	Strong evidence “Boston Gear is a leading global supplier of quality power transmission products to most major industrial markets including, but not limited to food processing, packaging…” Source: RevenueBase Database · checked Sep 30, 2026
15	TWG	Partial evidence	Jenks, OK, United StatesHQ checked Sep 30, 2026	201-500	109 contacts →
	Partial evidence “TWG is a leading manufacturer of winches, hoists, slewing ring bearings, gear drives, hydraulic pump drives, electronic monitoring systems and more.” Source: RevenueBase Database · checked Sep 30, 2026
16	Lovejoy	Strong evidence	Downers Grove, IL, United StatesHQ checked Sep 30, 2026	201-500	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, 2026
17	Aero Gear	Indirect evidence	Windsor, CT, United StatesHQ checked Sep 30, 2026	201-500	95 contacts →
	Indirect evidence “Aero Gear was founded in 1982 as a company that would provide solutions-focused expertise in the design, engineering and manufacturing of gears and gearbox assemblies for the…” Source: RevenueBase Database · checked Sep 30, 2026
18	Schafer Industries	Indirect evidence	South Bend, IN, United StatesHQ checked Sep 30, 2026	201-500	90 contacts →
	Indirect evidence “Unlock precision and reliability with Schafer Industries!” Source: RevenueBase Database · checked Sep 30, 2026
19	Brad Foote Gearing	Indirect evidence	Cicero, IL, United StatesHQ checked Sep 30, 2026	201-500	65 contacts →
	Indirect evidence “As an ISO 9001 registered company with an international reputation for superior quality, Brad Foote Gear Works, Inc.” Source: RevenueBase Database · checked Sep 30, 2026
20	ABS Atlantic Bearing Services	Indirect evidence	Miami, FL, United StatesHQ checked Sep 30, 2026	201-500	63 contacts →
	Indirect evidence “Atlantic Bearing Services (ABS) is an international engineering company providing design, manufacturing, repair, and supply solutions for heavy industry.” Source: RevenueBase Database · checked Sep 30, 2026
21	Overton Chicago Gear	Partial evidence	Addison, IL, United StatesHQ checked Sep 30, 2026	201-500	60 contacts →
	Partial evidence “With history dating to OCG manufactures large, high-precision gears that are designed to meet a wide range of requirements for the most challenging applications in the oil and…” Source: RevenueBase Database · checked Sep 30, 2026
22	Omni Powertrain Technologies	Strong evidence	Houston, TX, United StatesHQ checked Sep 30, 2026	501-1,000	59 contacts →
	Strong evidence “We design, develop and manufacture world class power transmission systems for global OEMs, providing our customers with innovative performance, quality and value, that meets or…” Source: RevenueBase Database · checked Sep 30, 2026
23	Chardam Gear Company	Indirect evidence	Sterling Heights, MI, United StatesHQ checked Sep 30, 2026	51-200	59 contacts →
	Indirect evidence “If you have requirements for high performance gears (spur, helical or spiral bevel), splined shaft, housings, details or complete gearboxes, Chardam Gear Company can fulfill your…” Source: RevenueBase Database · checked Sep 30, 2026
24	B&b Manufacturing	Partial evidence	La Porte, IN, United StatesHQ checked Sep 30, 2026	51-200	57 contacts →
	Partial evidence “B&B manufactures and distributes stock and custom drive system requirements such as timing pulleys, timing belts, roller chain sprockets, V-Belt sheaves and taper (QD, Taper-Lock…” Source: RevenueBase Database · checked Sep 30, 2026
25	Riley Gear Corporation	Strong evidence	Saint Augustine, United StatesHQ checked Sep 30, 2026	51-200	57 contacts →
	Strong evidence “Riley Gear Corporation develops and produces precision gears, custom gear boxes, and other power transmission components.” Source: RevenueBase Database · checked Sep 30, 2026

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: power transmission part 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 power transmission part manufacturers.
Partial evidence: Its own public description names part of power transmission part manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name power transmission part 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 207 power transmission part manufacturers based in the United States

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Power transmission part manufacturers based in the United States at a glance

As of Sep 30, 2026

34.2%Verified-email coverage

37.4Average contacts per company

11-50Median size (employees)

1.9%Largest-city concentration · Cleveland

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 207 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 power transmission part 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 “power transmission part 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 power transmission part 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 power transmission part 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, 2,643 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 power transmission part 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 power transmission part manufacturers are there based in the United States?

RevenueBase identified 207 power transmission part 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?

Gleason Corporation, headquartered in Rochester, tops this list with the largest team on record.

Which city has the most power transmission part manufacturers?

Cleveland leads with 4 headquartered companies, followed by Michigan City (4) and Anaheim (3).

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 2,643 verified decision-maker contacts tracked across these 207 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.