Aftermarket Parts Stocks
Suppliers and retailers in this segment capitalize on the wear-and-tear lifecycle of industrial, automotive, and heavy transportation equipment by providing essential replacement components and maintenance services. Revenue models rely on recurring demand cycles driven by vehicle age and industrial utilization rates, offering a defensive hedge against fluctuations in new equipment sales.
As of Oct 23, 2026, Aftermarket Parts has 87 US-listed companies worth $979B combined. The median member moved -0.7% over the past week; WSO led among the 25 largest at +9.1% and LKQ trailed at -21.6%.
Companies in Aftermarket Parts
- CAT – Caterpillar Inc, $316B
- ORLY – O’Reilly Automotive Inc, $72.7B
- TDG – Transdigm Group Incorporated, $63.1B
- PCAR – PACCAR Inc, $56.3B
- AZO – AutoZone Inc, $52.9B
- HONA – Honeywell Aerospace Inc, $51.7B
- HEI – Heico Corporation, $41.9B
- CPRT – Copart Inc, $26.9B
- DOV – Dover Corporation, $26.3B
- SNA – Snap-On Inc, $18.5B
- ITT – ITT Inc, $17.8B
- GPC – Genuine Parts Co, $17.6B
- FTAI – FTAI Aviation Ltd., $15.9B
- RBC – RBC Bearings Incorporated, $14.9B
- WSO – Watsco Inc, $13.5B
- GGG – Graco Inc, $11.2B
- DCI – Donaldson Company Inc, $10B
- ALSN – Allison Transmission Holdings Inc, $9.1B
- ALV – Autoliv Inc, $8.6B
- TKR – Timken Company, $7.5B
- AXTA – Axalta Coating Systems Ltd, $7.5B
- SARO – StandardAero, Inc., $7.1B
- GTES – Gates Industrial Corporation plc, $6.4B
- LOAR – Loar Holdings Inc., $5.8B
- LKQ – LKQ Corporation, $5.4B
- RUSHA – Rush Enterprises A Inc, $5.3B
- AN – AutoNation Inc, $5.1B
- GTX – Garrett Motion Inc, $4.5B
- ALH – Alliance Laundry Holdings Inc., $4.3B
- BC – Brunswick Corporation, $4.2B
- VVV – Valvoline Inc, $4B
- AIR – AAR Corp, $4B
- VSEC – VSE Corporation, $4B
- DORM – Dorman Products Inc, $3.7B
- ATMU – Atmus Filtration Technologies Inc., $3.6B
- THO – Thor Industries Inc, $3.4B
- PII – Polaris Industries Inc, $3.2B
- KAI – Kadant Inc, $3.2B
- ABG – Asbury Automotive Group Inc, $3.1B
- GPI – Group 1 Automotive Inc, $2.9B
- HAYW – Hayward Holdings Inc, $2.7B
- AAP – Advance Auto Parts Inc, $2.7B
- PHIN – PHINIA Inc., $2.1B
- LCII – LCI Industries, $2B
- DRVN – Driven Brands Holdings Inc, $1.9B
- BLBD – Blue Bird Corp, $1.9B
- MFP – Midera Food Processing Inc, $1.8B
- ALG – Alamo Group Inc, $1.8B
- ADIG – ADI Global Distribution Inc., $1.6B
- ENR – Energizer Holdings Inc, $1.5B
- XPEL – Xpel Inc, $1.2B
- GT – Goodyear Tire & Rubber Co, $1.2B
- MYE – Myers Industries Inc, $1.2B
- ASTE – Astec Industries Inc, $967M
- WLFC – Willis Lease Finance Corporation, $966M
- PLOW – Douglas Dynamics Inc, $935M
- AEBI – Aebi Schmidt Holding AG - Common Stock, $872M
- SMP – Standard Motor Products Inc, $838M
- MTW – Manitowoc Company Inc, $795M
- FOXF – Fox Factory Holding Corp, $783M
- MLR – Miller Industries Inc, $617M
- HY – Hyster-Yale Materials Handling Inc, $560M
- TITN – Titan Machinery Inc, $553M
- WNC – Wabash National Corporation, $477M
- TWI – Titan International Inc, $451M
- MNRO – Monro Muffler Brake Inc, $443M
- TATT – Tat Techno, $429M
- TWIN – Twin Disc Incorporated, $365M
- HLLY – Holley Inc, $284M
- CWH – Camping World Holdings Inc, $281M
- GENC – Gencor Industries Inc, $263M
- EVI – EVI Industries Inc, $246M
- ASLE – AerSale Corp, $231M
- ALTG – Alta Equipment Group Inc, $212M
- MPAA – Motorcar Parts of America Inc, $200M
- RDNW – RideNow Group, Inc., $193M
- SIF – SIFCO Industries Inc, $134M
- CLAR – Clarus Corp, $131M
- AZI – Autozi Internet Technology (Global) Ltd. Class A Ordinary Shares, $74.3M
- AIRT – Air T Inc, $70.5M
- PRTS – CarParts.Com Inc, $70M
- MIND – Mind Technology Inc, $39.4M
- YSXT – YSX Tech. Co., Ltd Class A Ordinary Shares, $39.2M
- ARTW – Arts-Way Manufacturing Co Inc, $18.5M
- INEO – INNEOVA Holdings Limited, $9.1M
- FLUX – Flux Power Holdings Inc, $9M
- WKSP – Worksport Ltd, $7M