Industrial MRO Stocks
Wholesale distributors of maintenance, repair, and operations supplies serve as critical supply chain intermediaries for the industrial, construction, and HVAC sectors. These firms maintain high-density branch networks and sophisticated e-commerce platforms to manage fragmented inventories, capturing margin through logistics efficiency and value-added technical services.
As of Oct 23, 2026, Industrial MRO has 12 US-listed companies worth $201B combined. The median member moved -1.5% over the past week; WSO led at +9.1% and MSM trailed at -12.7%.
Companies in Industrial MRO
- GWW – WW Grainger Inc, $64.1B
- FAST – Fastenal Company, $60.5B
- GPC – Genuine Parts Co, $17.6B
- WCC – WESCO International Inc, $17B
- WSO – Watsco Inc, $13.5B
- AIT – Applied Industrial Technologies, $12.1B
- MSM – MSC Industrial Direct Company Inc, $6.4B
- DNOW – Now Inc, $2.9B
- DXPE – DXP Enterprises Inc, $2.7B
- GIC – Global Industrial Co, $1.7B
- DSGR – Distribution Solutions Group Inc, $1.6B
- ZKH – ZKH Group Limited, $451M