BizJournals -- By the end of this week, the gates for [CompanyWatch allows you to receive email alerts with stories related to your companies of interest.
You can watch up to ten companies at a time.
] Northwest Airlines at [CompanyWatch allows you to receive email alerts with stories related to your companies of interest.You can watch up to ten companies at a time.
] Piedmont Triad International Airport will close, and all signs related to the company will come down as part of its merger with [CompanyWatch allows you to receive email alerts with stories related to your companies of interest.You can watch up to ten companies at a time.
] Delta Air Lines.