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By Mail:
Corporate Headquarters
:
GTS-Welco, Inc. 5275 Tilghman Street Allentown, PA 18104 Payments:
GTS-WELCO PO BOX 382000 PITTSBURGH, PA 15250-8000
Overnight Payments:
GTS-WELCO ATTN: BOX #382000 500 ROSS STREET 154-0455 PITTSBURGH, PA 15262-0001
By Phone or Fax:
from within the USA., call 1-800-942-1148, or fax us at 1-866-240-4672
from outside the USA., call 1-610-398-2212, or fax us at 1-866-240-4672
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