totalmarketcap

Largest auto & home supply stores companies

Every US-listed auto & home supply stores company we cover — 6 of them — ranked by market capitalisation, with revenue and earnings taken from their SEC filings.

Combined market cap

$133.097 B

0.1% of all US-listed value

Companies

6

Ranked #80 of 152 industries

Largest

O Reilly Automotive

ORLY · market cap

Average

$22.183 B

Mean market cap per company

#NameMarket capCloseSessionCountry
1O Reilly AutomotiveORLY$77.5B$93.53+0.17% United States
2AutozoneAZO$51.1B$3,127.29+1.88% United States
3Advance Auto PartsAAP$3.49B$57.80-0.21% United States
4MarinemaxHZO$788.1M$35.68+1.57% United States
5OneWater MarineONEW$200.7M$12.04+0.84% United States
6CarParts.comPRTS$54.7M$6.75+16.68% United States

All 6 companies. One row per company — secondary share classes are folded into their primary listing. Updated 9 Aug 2026.

Sectors auto & home supply stores companies sit in

Other industries

Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered — see methodology.