- Polymeric Systems Inc
- 47 Park Ave St Box 522
- Elverson, Pennsylvania 19520-0000
- Phone: 610-286-2500
- Website: www.polymericsystems.com
- Number of Employees: 557
- Annual Receipts: $152,873,000
- Business Start Date: 1969
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- Singer Equipment Company Inc
- 150 S Twin Valley Rd
- Elverson, Pennsylvania 19520-9328
- Phone: 610-387-6482
- Website: www.singerequipment.com
- Number of Employees: 300
- Annual Receipts: $175,000,000
- Business Start Date: 1918
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