Bedrifter på Y i Porsgrunn

Yacoubian Boghos Yara Birkeland AS Ydsti Linda Ydsti Martinsen Yildirim Ymis AS Yngvar Hauen Yoga Grenland AS Yoga Nord Maria Julie Tollefsen Yogaspiren Marianne Synnes Kaasa ASA Ytredal Engineering Per Olav Ytredal Ytredal Invest AS