ATLANTA - GLASSFILLERS.COM, an operating unit of Vitro Mineral Inc., has announced the appointment of a national network of distributors to promote, warehouse and sell the new GLASSFILLERS.COM product line of LA Glass fillers. Harry W. Gaffney & Co. Inc., Hatboro, PA, will cover Virginia to New England; CheMarCo Inc., Greenville, SC, will cover the Southeast United States; Walsh & Associates Inc., St. Louis, MO, will cover the states west of the Mississippi River, including Colorado and Utah; Maroon Inc., Avon, OH, will cover midwestern states including western Pennsylvania and western New York; and TCR Industries Inc., La Palma, CA, will cover the western United States.