| Company | Category | Area | Address | Web | E-mail | Contact person |
| NATIONAL GUILD OF MEDICAL PRO | Medical & Surgical Svc Organiz | Pennsylvania | 150 S INDEPENDENCE MALL W, PHILADELPHIA, Philadelphia, Pennsylvania, 19106-3413, USA |
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Maureen Mattiacci |
| National Gypsum Co | Gypsum & Gypsum Products (Manu | Pennsylvania | RR 1, NEW COLUMBIA, Union, Pennsylvania, 17856, USA |
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| National Gypsum Co | Gypsum & Gypsum Products (Manu | Pennsylvania | RR 1, NEW COLUMBIA, Union, Pennsylvania, 17856, USA |
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| NATIONAL GYPSY MOTH MGMT GROUP | Pest Control | Pennsylvania | 320 POLECAT RD, LANDISBURG, Perry, Pennsylvania, 17040-9239, USA |
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Mark Ticehurst |
