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listed companies to purchase products
Cap Suppliers Index Other Products
| Canada | Niagara Caps & Plugs | M | 800-458-0465 |
| MI | Harman Corporation | M | 248-651-4477 |
| NY | Caplugs | M | 716-876-9855 |
| WI | Quick Cable Corp | M | 800-558-8667 |