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      HoursOPEN NOW
      Regular Hours:
      Mon - Sun

      Contact Info

      Phone:

      Main - 610-398-0434

      Address:
      1632 Par Cswy Allentown, PA 18106

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      Categories
      Civil Engineers, Professional Engineers
      AKA

      Helwig Associates LLC

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      Data provided by one or more of the following: Thryv, Data Axle, Yext.