| Company | Category | Area | Address | Web | E-mail | Contact person |
| SOCKET SYSTEMS INC | Fabricated Structural Metal (M | Pennsylvania | 307 1/2 CHESTNUT ST, MEADVILLE, Crawford, Pennsylvania, 16335-3207, USA |
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Rodger Parry |
| SOCKO D JS | Music & Live Entertainment | Pennsylvania | 1 S HICKORY ST, ELYSBURG, Northumberland, Pennsylvania, 17824-7123, USA |
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Bryan Sokoloskie |
| SOCKS WORLD | Hosiery-Retail | Pennsylvania | 5434 N 5TH ST, PHILADELPHIA, Philadelphia, Pennsylvania, 19120-2802, USA |
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| SOCRATES INC CAPITAL BLUECROSS | Insurance | Pennsylvania | 1201 BROUGHTON RD, PITTSBURGH, Allegheny, Pennsylvania, 15236-3451, USA |
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| SOCRATES INC EMPLOYERS LIFE | Insurance | Pennsylvania | 1201 BROUGHTON RD, PITTSBURGH, Allegheny, Pennsylvania, 15236-3451, USA |
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| SOCRATES INC IDEPENDENCE | Nonclassified Establishments | Pennsylvania | 111 RYAN CT # 300, PITTSBURGH, Allegheny, Pennsylvania, 15205-1310, USA |
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| SOCRATES INC NORTH AMER | Nonclassified Establishments | Pennsylvania | 111 RYAN CT # 300, PITTSBURGH, Allegheny, Pennsylvania, 15205-1310, USA |
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