1. Ecolab Inc.
2. The Procter & Gamble Company
3. Unilever Plc
4. Carlisle Sanitary Maintenance Products Inc.
5. Gordon Brush Mfg. Co.
6. Inc
S. C. Johnson & Son Inc.
7. Medline Industries Inc.
8. Betco Corporation
9. The Libman Company
10. Perfex Corporation