Company lists · Data refreshed September 2026
Top 25 Aftermarket auto parts suppliers based in the United States
RevenueBase identified 1,156 aftermarket auto parts suppliers headquartered in the United States as of September 2026 and tracks 126,843 professional contacts across them, including 18,570 with verified work emails. Houston is the largest hub.
This list covers aftermarket auto parts suppliers 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 19, 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 aftermarket auto parts suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 32,450 contacts → | ||||
Partial 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 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 19,754 contacts → | ||||
Strong evidence “Advance Auto Parts, Inc.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 11,151 contacts → | ||||
Strong evidence “Through nearly auto parts stores and over auto care centers in the U.S, NAPA has America's largest network of parts and care.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 6,852 contacts → | ||||
Strong 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 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 4,462 contacts → | ||||
Indirect evidence “For over a century, our customers have counted on Pep Boys to keep them moving.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 984 contacts → | ||||
Indirect evidence “Join Our Team: Our People Make the Difference!” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 811 contacts → | ||||
Strong 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 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 767 contacts → | ||||
Partial evidence “Since 1968, Summit Racing Equipment has done business based on a simple formula: offer customers the parts they want, at a fair price, ship those parts fast, and back them with…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 618 contacts → | ||||
Strong evidence “Headquartered in Norton, MA, Autopart International Inc, is a leading provider of premium auto parts.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 610 contacts → | ||||
Strong evidence “TruckPro, LLC is one of the largest independent distributors of heavy-duty aftermarket truck parts and accessories in the U.S.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 469 contacts → | ||||
Partial 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 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 455 contacts → | ||||
Strong evidence “Regional supplier of aftermarket automotive repair parts to profesional automotive repair technicians.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 450 contacts → | ||||
Partial evidence “Motorcar Parts of America, Inc.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 420 contacts → | ||||
Indirect evidence “Who are we?” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 325 contacts → | ||||
Partial evidence “KOI is a leading automotive parts provider in Kentucky, Ohio & Indiana built on one uncompromising philosophy: world class customer service.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 317 contacts → | ||||
Indirect evidence “Located on their corporate campus in Paoli, PA, Turn5, Inc.” Source: RevenueBase Database · checked Sep 19, 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: aftermarket auto parts suppliers. 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 aftermarket auto parts suppliers.
- Partial evidence
- Its own public description names part of aftermarket auto parts suppliers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name aftermarket auto parts suppliers. 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 1,156 aftermarket auto parts suppliers based in the United States
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Aftermarket auto parts suppliers based in the United States at a glance
As of Sep 19, 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 1,156 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 aftermarket auto parts suppliers, 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 “aftermarket auto parts suppliers”. 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 aftermarket auto parts suppliers), 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 aftermarket auto parts suppliers, 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, 18,570 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 19, 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.
Aftermarket auto parts suppliers by metro
- Aftermarket auto parts suppliers in Houston26
- Aftermarket auto parts suppliers in Miami25
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 aftermarket auto parts suppliers, 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 aftermarket auto parts suppliers are there based in the United States?
RevenueBase identified 1,156 aftermarket auto parts suppliers 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 aftermarket auto parts suppliers?
Houston leads with 26 headquartered companies, followed by Miami (25) and Chicago (14).
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 18,570 verified decision-maker contacts tracked across these 1,156 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 19, 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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