| AIT | Applied Industrial |
| BXC | BlueLinx |
| CNM | Core & Main |
| DSGR | Distribution Solutions Group |
| DXPE | DXP Enterprises |
| FAST | Fastenal Company |
| FERG | Ferguson |
| GIC | Global Industrial Company |
| GWW | W.W. Grainger |
| MSM | MSC Industrial Direct |
| POOL | Pool |
| SITE | SiteOne Landscape Supply |