Why choose mymygrant glass company? Mygrant Glass Company is a family-owned auto glass wholesaler focused on providing superior service and the most extensive inventory to our customers.Is there a mygrant supply catalog available online? Mygrant's new supply catalog now available, CLICK HERE. Right Click and choose Save As to download. Burco's supply catalog available online CLICK HERE . The Return Policy now requires Mygrant Glass Inventory Labels and Sleeves to be attached to all returned glass.Who is the founder of mygrant group? The company was founded in 1926 by Harry Mygrant, and today is run by his grandson Michael Mygrant. External Website. Opens New Window Available Contacts - Free Plug-in!Who is mygrant windshields? The wholesaler also carries RV and bus windshields, and can accommodate bulk orders and international exports. The company was founded in 1926 by Harry Mygrant, and today is run by his grandson Michael Mygrant.