Managing Alberta One-Calls can be a tremendous challenge  for any company that owns underground facilities, but it is one we specialize in. Empire’s one-call screening and  locating expertise means you can rest easy knowing all your  one-calls are being professionally and safely screened and  located by a team of dedicated professionals, all at  extremely competitive rates and within the 48-hour window.  Let us show you how experienced, efficient line locating by  Empire can help manage your one-call contracts.