Millions of envelopes made of Mando kraft papers flow monthly from the intricate machines of a large Twin City envelope manufacturer. This manufacturer, the Quality ...

You probably get a few of these things each week in the mail. And some of them actually do a good job of obscuring the contents inside, even if you hold the envelope up to the light. But have you ...

Abigail Gardner, communications director for Allegheny County, home to Pittsburgh, said the county was talking to the company that prints its mail ballot envelopes about the feasibility of adding ...