Company lists · Data refreshed October 2026

Top 25 Differential parts manufacturers based in the United States

RevenueBase identified 103 company matches for differential parts manufacturers associated with the United States as of October 2026 and tracks 19,194 professional contacts across them, including 4,641 with verified work emails. Houston is the largest hub.

This list covers company matches for differential parts manufacturers 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 11, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 11, 2026 How this list was built
103Companies
19,194Contacts tracked
4,641Verified emails
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The 25 largest differential parts manufacturers based in the United States

Ranked by team size
Top 25 of 103 company matches for differential parts manufacturers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchDetroit, MI, United StatesHQ recorded Oct 11, 202610001+7,831 contacts →

Exact match

“On February 3, 2026, Dauch Corporation (formerly American Axle & Manufacturing) acquired Dowlais Group plc and its subsidiaries – GKN Automotive and GKN Powder Metallurgy.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2Exact matchTroy, MI, United StatesHQ recorded Oct 11, 20265,001-10,0003,503 contacts →

Exact match

“Cummins-Meritor is a segment of Cummins Inc.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
3Exact matchColmar, PA, United StatesHQ recorded Oct 11, 20261,001-5,0001,710 contacts →

Exact match

“Dorman was founded on the belief that people should have greater freedom to fix motor vehicles.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4Exact matchGreenville, SC, United StatesHQ recorded Oct 11, 20265,001-10,0001,642 contacts →

Exact match

“JTEKT North America is a global leader in advanced automotive technologies, providing innovative solutions to drive the future of mobility.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5Exact matchVancouver, WA, United StatesHQ recorded Oct 11, 20265,001-10,0001,220 contacts →

Exact match

“ConMet, a division of Amsted Industries, has been advancing the commercial vehicle industry since 1964.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6Exact matchJasper, IN, United StatesHQ recorded Oct 11, 20261,001-5,000805 contacts →

Exact match

“JASPER® Engines & Transmissions was founded in 1942 and today is the nation's largest remanufacturer of a diverse line of drive train components.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7Exact matchFarmington Hills, MI, United StatesHQ recorded Oct 11, 20261,001-5,000541 contacts →

Exact match

“Neapco is the leading supplier of innovative driveline solutions to original equipment manufacturers and the global automotive industry.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8Exact matchFerndale, MI, United StatesHQ recorded Oct 11, 2026201-500172 contacts →

Exact match

“We have been a leading manufacturer and distributor of auto parts for the last 30 years throughout the metropolitan Detroit area and, within the last five years, throughout the…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9Exact matchCinnaminson, NJ, United StatesHQ recorded Oct 11, 2026201-500165 contacts →

Exact match

“TransAxle, established in 1979 in Cinnaminson, NJ, has evolved into a prominent remanufacturing and distribution business with 14 locations.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10Exact matchEverett, WA, United StatesHQ recorded Oct 11, 2026201-500141 contacts →

Exact match

“RANDYS Worldwide is the leading supplier in the United States for performance and OE replacement differential gears, axles, installation kits, small parts, tools, lockers, limited…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11Exact matchBellows Falls, VT, United StatesHQ recorded Oct 11, 2026201-500121 contacts →

Exact match

“Sonnax Transmission Company is an industry leader in the cutting-edge design, manufacture and distribution of the highest quality products to the automotive aftermarket…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12Exact matchSouth Bend, IN, United StatesHQ recorded Oct 11, 2026201-50097 contacts →

Exact match

“Unlock precision and reliability with Schafer Industries!”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13Exact matchWyoming, MI, United StatesHQ recorded Oct 11, 2026201-50096 contacts →

Exact match

“Built to Work.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14Exact matchAuburn, IN, United StatesHQ recorded Oct 11, 202651-20089 contacts →

Exact match

“Auburn Gear is a mid-sized manufacturer of planetary gears and Select-A-Loc (Open to Lock and Limited to Slip to Lock) and Grip-N-Loc limited slip differentials.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15Exact matchRedlands, CA, United StatesHQ recorded Oct 11, 202651-20068 contacts →

Exact match

“Advanced Innovative Technology Corp.(TrakMotive) is a trusted global leader in the automotive aftermarket, specializing in high-quality underbody parts.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16Exact matchCleveland, OH, United StatesHQ recorded Oct 11, 202651-20059 contacts →

Exact match

“At Mid-West Forge, we’re more than just a manufacturer of axle shafts; we’re dedicated to engineering an exceptional automotive experience.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17Exact matchSpartanburg, SC, United StatesHQ recorded Oct 11, 20261,001-5,00052 contacts →

Exact match

“GSP is a premier manufacturer and supplier of high quality Automotive Aftermarket Parts in North & Latin America.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18Exact matchMiami, FL, United StatesHQ recorded Oct 11, 202611-5048 contacts →

Exact match

“GFX is a Miami based distributor and manufacturer of Standard Clutch Release Bearings, Automatic Transmission Separator Plates and Automatic Transmission Hard Parts.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19Exact matchChicago, IL, United StatesHQ recorded Oct 11, 202651-20043 contacts →

Exact match

“GENERAL TRUCK PARTS AND EQUIPMENT COMPANY is a company based out of 4040 W.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20Exact matchEnfield, CT, United StatesHQ recorded Oct 11, 202651-20039 contacts →

Exact match

“With over 61 years of continuous growth and serving customer’s drivetrain needs Camerota Truck Parts continues to expand with facilities throughout the Northeast.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21Exact matchRichmond, KY, United StatesHQ recorded Oct 11, 202651-20038 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22Exact matchRochester Hills, MI, United StatesHQ recorded Oct 11, 202651-20038 contacts →

Exact match

“Accurate Gauge & Mfg.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23Exact matchLouisville, KY, United StatesHQ recorded Oct 11, 202651-20025 contacts →

Exact match

“Marmon-Herrington axles have long set the industry standard for quality features that make trucks dependable and maximize productivity.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24Exact matchHinton, VA, United StatesHQ recorded Oct 11, 202611-5024 contacts →

Exact match

“We provide quality powertrain parts to dealerships and repair facilities.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25Exact matchMattoon, IL, United StatesHQ recorded Oct 11, 202651-20020 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase

Showing 25 of 103 differential parts manufacturers based in the United States

See the full list, filter by size, metro and specialty, and access 4,641 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Differential parts manufacturers based in the United States at a glance

As of Oct 11, 2026
24.2%Verified-email coverage
186.3Average contacts per company
11-50Median size (employees)
2.9%Largest-city concentration · Houston
Oct 11, 2026Page data refreshed

Companies by employee count

1-10
33
11-50
29
51-200
20
201-500
9
501-1,000
2
1,001-5,000
5
5,001-10,000
4
10001+
1

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 103 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 “differential parts manufacturers” 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 4,641 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 11, 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 “differential parts manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many differential parts manufacturers are there based in the United States?

RevenueBase identified 103 company matches for differential parts manufacturers 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?

AAM tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most differential parts manufacturers?

Houston leads with 3 company records, followed by Ionia (3) and Louisville (3).

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 4,641 professional contacts with verified work emails tracked across these 103 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 11, 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 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.