| Advanced Business Systems 693 Timber Lane Devon, PA 19333 (610)975-9234 
| ANRO Inc 222 West Lancaster Avenue Devon, PA 19333 (610)687-1200
| Barnes Noble 150 West Swedesford Road Devon, PA 19333 (610)695-6600
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| Boyd John S Associates 436 School House Lane Devon, PA 19333 (610)688-4243
| Network World 28 South Waterloo Road Devon, PA 19333 (610)971-1530
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