Company lists · Data refreshed September 2026

Top 25 Automotive aftermarket parts manufacturers based in the United States

Name: Automotive aftermarket parts 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 16, 2026 939 companies tracked

RevenueBase identified 939 automotive aftermarket parts manufacturers headquartered in the United States as of September 2026 and tracks 120,656 professional contacts across them, including 18,369 with verified work emails. Miami is the largest hub.

This list covers automotive aftermarket parts 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 16, 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 16, 2026 86% judged on-target in blind review

939Companies

120,656Contacts tracked

18,369Verified emails

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The 25 largest automotive aftermarket parts manufacturers based in the United States

Ranked by team size

Top 25 of 939 automotive aftermarket parts manufacturers based in the United States, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to automotive aftermarket parts 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	Autozone	Strong evidence	Memphis, TN, United StatesHQ checked Sep 16, 2026	10001+	32,450 contacts →
	Strong evidence “AutoZone is the nation's leading retailer and a leading distributor of automotive replacement parts and accessories with more than stores in the US, Mexico, Brazil and Puerto Rico.” Source: RevenueBase Database · checked Sep 16, 2026
2	Advance Auto Parts	Partial evidence	Raleigh, NC, United StatesHQ checked Sep 16, 2026	10001+	19,754 contacts →
	Partial evidence “Advance Auto Parts, Inc.” Source: RevenueBase Database · checked Sep 16, 2026
3	O'reilly Auto Parts	Strong evidence	Springfield, MO, United StatesHQ checked Sep 16, 2026	10001+	18,556 contacts →
	Strong evidence “O’Reilly Auto Parts started as a single store and has grown into a leading retailer in the automotive aftermarket industry with more than 6,100 locations and counting.” Source: RevenueBase Database · checked Sep 16, 2026
4	LKQ Corporation	Partial evidence	Chicago, IL, United StatesHQ checked Sep 16, 2026	10001+	6,852 contacts →
	Partial evidence “LKQ Corporation (Nasdaq: LKQ), a Fortune 500 company, is North America’s largest provider of alternative collision auto parts, and a leading provider of recycled and…” Source: RevenueBase Database · checked Sep 16, 2026
5	Flex-N-Gate	Strong evidence	Urbana, IL, United StatesHQ checked Sep 16, 2026	10001+	4,298 contacts →
	Strong evidence “Starting with aftermarket parts in 1956 and moving into O.E.” Source: RevenueBase Database · checked Sep 16, 2026
6	Carquest Auto Parts	Strong evidence	Raleigh, NC, United StatesHQ checked Sep 16, 2026	10001+	2,657 contacts →
	Strong evidence “Carquest Auto Parts is owned and operated by Advance Auto Parts, Inc, the largest automotive aftermarket parts provider in North America, servicing both the do-it-yourself and…” Source: RevenueBase Database · checked Sep 16, 2026
7	Worldpac	Partial evidence	Oak Brook, IL, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,718 contacts →
	Partial evidence “Worldpac was formed in 1995 as a result of several acquisitions of the top tier import companies spanning over 30 years of service in the import aftermarket.” Source: RevenueBase Database · checked Sep 16, 2026
8	Dorman Products	Indirect evidence	Colmar, PA, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,651 contacts →
	Indirect evidence “Dorman was founded on the belief that people should have greater freedom to fix motor vehicles.” Source: RevenueBase Database · checked Sep 16, 2026
9	Factory Motor Parts	Partial evidence	Eagan, MN, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,541 contacts →
	Partial evidence “Founded in 1945, Factory Motor Parts Company is a multi-generational family business based in Eagan, Minnesota.” Source: RevenueBase Database · checked Sep 16, 2026
10	Standard Motor Products	Strong evidence	Long Island City, NY, United StatesHQ checked Sep 16, 2026	5,001-10,000	1,495 contacts →
	Strong evidence “With over 100 years in business, SMP is a leading independent manufacturer and distributor of premium automotive replacement parts and a provider of custom-engineered solutions…” Source: RevenueBase Database · checked Sep 16, 2026
11	First Brands Group, LLC	Strong evidence	Rochester, MI, United StatesHQ checked Sep 16, 2026	201-500	1,480 contacts →
	Strong evidence “First Brands Group, LLC serves the automotive aftermarket industry with category-leading brands.” Source: RevenueBase Database · checked Sep 16, 2026
12	The Parts Authority	Strong evidence	Lake Success, NY, United StatesHQ checked Sep 16, 2026	5,001-10,000	1,229 contacts →
	Strong evidence “Established in 1973, The Parts Authority has become one of the largest aftermarket automotive/truck part distributors throughout the country.” Source: RevenueBase Database · checked Sep 16, 2026
13	Auto Plus Auto Parts	Indirect evidence	Kennesaw, GA, United StatesHQ checked Sep 16, 2026	1,001-5,000	984 contacts →
	Indirect evidence “Join Our Team: Our People Make the Difference!” Source: RevenueBase Database · checked Sep 16, 2026
14	Cardone Industries	Strong evidence	Philadelphia, PA, United StatesHQ checked Sep 16, 2026	5,001-10,000	885 contacts →
	Strong evidence “CARDONE is a leading global supplier of remanufactured and new automotive parts for passenger cars and light/medium duty trucks.” Source: RevenueBase Database · checked Sep 16, 2026
15	Fisher Auto Parts	Partial evidence	Staunton, VA, United StatesHQ checked Sep 16, 2026	5,001-10,000	811 contacts →
	Partial evidence “Fisher Auto Parts strives to serve our customers by: • Exceeding expectations in value, quality, and service • Offering fast, dependable delivery service • Providing quality name…” Source: RevenueBase Database · checked Sep 16, 2026
16	carparts.com	Indirect evidence	Torrance, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	686 contacts →
	Indirect evidence “At CarParts.com, we are committed to simplifying vehicle maintenance and repair because we understand that time is precious, and it should be spent enjoying the journey.” Source: RevenueBase Database · checked Sep 16, 2026
17	Lacks Enterprises	Indirect evidence	Kentwood, MI, United StatesHQ checked Sep 16, 2026	1,001-5,000	647 contacts →
	Indirect evidence “Lacks Enterprises, Inc.” Source: RevenueBase Database · checked Sep 16, 2026
18	Autopart International	Partial evidence	Norton, MA, United StatesHQ checked Sep 16, 2026	1,001-5,000	618 contacts →
	Partial evidence “Headquartered in Norton, MA, Autopart International Inc, is a leading provider of premium auto parts.” Source: RevenueBase Database · checked Sep 16, 2026
19	Nexamotion Group	Strong evidence	Cleveland, OH, United StatesHQ checked Sep 16, 2026	1,001-5,000	609 contacts →
	Strong evidence “NexaMotion Group is a dynamic organization in the automotive aftermarket, uniting a diverse family of brands including Transtar Aftermarket Solutions, Arch Auto Parts, C&M Auto…” Source: RevenueBase Database · checked Sep 16, 2026
20	Holley	Strong evidence	Bowling Green, KY, United StatesHQ checked Sep 16, 2026	1,001-5,000	533 contacts →
	Strong evidence “Holley is a leading designer, marketer, and manufacturer of high-performance automotive aftermarket products for car and truck enthusiasts.” Source: RevenueBase Database · checked Sep 16, 2026
21	Brake Parts INC LLC	Strong evidence	Mchenry, IL, United StatesHQ checked Sep 16, 2026	5,001-10,000	473 contacts →
	Strong evidence “Brake Parts Inc is committed to leading the global aftermarket as the premier manufacturer of automotive braking components.” Source: RevenueBase Database · checked Sep 16, 2026
22	The Parts House	Strong evidence	Jacksonville, FL, United StatesHQ checked Sep 16, 2026	1,001-5,000	469 contacts →
	Strong evidence “The Parts House (TPH) is a wholesale, warehouse distributor (WD) of premium automotive and heavy duty truck parts and accessories.” Source: RevenueBase Database · checked Sep 16, 2026
23	Weathertech	Partial evidence	Bolingbrook, IL, United StatesHQ checked Sep 16, 2026	1,001-5,000	468 contacts →
	Partial evidence “Founded in 1989, WeatherTech® has long been recognized by the discerning automotive enthusiast as a supplier of automotive accessories of unparalleled quality.” Source: RevenueBase Database · checked Sep 16, 2026
24	Bumper To Bumper Auto Parts	Strong evidence	Little Rock, AR, United StatesHQ checked Sep 16, 2026	1,001-5,000	455 contacts →
	Strong evidence “Regional supplier of aftermarket automotive repair parts to profesional automotive repair technicians.” Source: RevenueBase Database · checked Sep 16, 2026
25	Motorcar Parts Of America	Partial evidence	Torrance, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	450 contacts →
	Partial evidence “Motorcar Parts of America, Inc.” Source: RevenueBase Database · checked Sep 16, 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: automotive aftermarket parts 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 automotive aftermarket parts manufacturers.
Partial evidence: Its own public description names part of automotive aftermarket parts manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name automotive aftermarket parts 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 939 automotive aftermarket parts manufacturers based in the United States

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Automotive aftermarket parts manufacturers based in the United States at a glance

As of Sep 16, 2026

15.2%Verified-email coverage

128.5Average contacts per company

11-50Median size (employees)

2.6%Largest-city concentration · Miami

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

396

11-50

304

51-200

121

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 939 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 automotive aftermarket parts 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 “automotive aftermarket parts 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 automotive aftermarket parts 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 automotive aftermarket parts 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, 18,369 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 16, 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 automotive aftermarket parts 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 automotive aftermarket parts manufacturers are there based in the United States?

RevenueBase identified 939 automotive aftermarket parts 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?

Autozone, headquartered in Memphis, tops this list with the largest team on record.

Which city has the most automotive aftermarket parts manufacturers?

Miami leads with 24 headquartered companies, followed by Houston (14) and Los Angeles (12).

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 18,369 verified decision-maker contacts tracked across these 939 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 16, 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.