last update: 02/18/09
| Mc Master-Carr | Catalog sales, USA | 732-329-3200 |
| Air Concepts and Controls | Hayward, CA | 510-471-4470 |
| Electric Motor & Control | Calexico, CA | 760-357-6747 |
| Nor-Cal Controls | Santa Clara, CA | 800-233-2013 |
| Pro-Tech Systems | Chino, CA | 800-448-2737 |
| Diffley-Wright | Sarasota, FL | 800-282-4886 |
| Riley & Company, Inc. | Sanford, FL | 407-265-9963 |
| Electrical Control Dist. | Cary, IL | 847-516-2524 |
| Metric Services & Supply | Hampshire, IL | 847-683-9040 |
| Air Inc | Franklin, MA | 800-341-2800 |
| Pneu-Force | Baltimore, MD | 410-631-7638 |
| Mountian Fluid Power | Auburn, ME | 207-783-6680 |
| Universal Power Conversion | Minneapolis, MN | 952-736-1544 |
| Hickory Pneumatics | Granit Falls, NC | 828-496-1044 |
| Kahant Electric Supply | Randolph, NJ | 973-366-2966 |
| All-Air | Elmsford, NY | 914-347-2445 |
| HDH Technologies | Lebanon, OH | 513-923-3136 |
| Ohio Transmission & Pump | Middletown, OH | 513-539-8411 |
| Spectrum Ind. Prod. Inc. | North Royalton, OH | 440-877-3100 |
| Air-Oil Systems | Mainland, PA | 800-333-5520 |
| Keystone Fluid | W. Hazelton, PA | 570-454-9759 |
| Konstance Pneumatics | W. Chester, PA | 610-430-1225 |
| Lindley Electric Supply | Southampton, PA | 215-357-6700 |
| NJS Systems and Controls | Mayfield, PA | 570-876-1369 |
| Penn-Air | York, PA | 717-840-8100 |
| Winco | Ivyland, PA | 215-657-4940 |
| American Hydraulics | Fort Worth, TX | 817-831-0676 |
| Eagle Industrial | McAllen, TX | 800-358-5017 |
| Roger Brown Company, Inc. | El Paso, TX | 915-845-8188 |