Building & Grounds
- 3E Company, Environmental
- AAF International
- Allied Van Lines
- American Time & Signal
- APLM Distributing
- Arc-Ion
- Armor Healthcare
- Ban-Koe Systems Group, Inc.
- Berry Plastics
- Best Rite (Scholastic)
- Bulbtronics Inc.
- Bus Parts Warehouse
- Cawley Digital ID
- Centimark Corporation
- Chemtreat, Inc.
- Cintas-AED
- Cintas-Apparel
- Cintas-Apparel & Mat Rental
- Cintas-Documents
- Copesan Services (Wil-Kil & Plunketts)
- Cornell Communications
- Crescent Electric Supply Company
- Direct Supply
- DSI Inc.
- Duracell Professional Products
- Encompass
- Encompass-Amerinet Choice
- Evans & Paul
- Ferno Washington
- Ferno Washington
- FlagHouse
- Fleetwood (Scholastic)
- Fort Hill Associates
- Garratt Callahan Company
- GE Security
- Graybar Electric Company Inc.
- Hill-Rom Company Inc.
- Home Depot USA, Inc.
- ICI Paints
- Integrys Energy Services
- Kessenichs
- KI
- KONE, Inc.
- LaCrosse Forage & Turf Seed
- Lamp Recyclers
- Mannington Commercial
- Mayflower
- McQuay
- M-D Wholesale Hardware
- Medical Action-Amerinet Choice
- Medtronic USA, Inc./Physio-Control
- Minnesota Wisconsin Playground
- MSDSOnline, Inc.
- Nalco Company
- Nilfisk Advance
- NSS Enterprises, Inc.
- Otis Elevator Company
- Philips Medical Systems, Inc.
- Phoenix Textiles
- Plumbmaster
- Professional Supply
- Reckitt Benckiser (Lysol)
- Schilling Supply Company
- SchoolDude
- Seton Identification Products
- Sexauer JA. Inc.
- Shaw Industries
- Sherwin Williams Company (The)
- Spacesaver Corporation
- Steris-Amerinet Choice
- Tandus (Collins & Aikman)
- TB & A Hospital Television Inc
- TeleHealth Services
- Tennant Company
- Tri-Dim Filter Corporation
- United Van Lines.
- USIS-CSD
- Wesco Distribution Inc.
- Williams Scotsman
- Xpedx