DAVID LE/Staff photo. 5/1/15. Gillian's Foods, a company started in Revere and now based in Lynn, specializes in gluten-free foods. Their new warehouse and manufacturing facility is located in Shetland Park in Salem. They hope to increase production and add more products to their line which already includes 35 items. From left are Operations Manager Nick Sideri, Chief Financial Officer Gillian Sideri, Vice President of Operations Rob Otolo, co-founder Susan Otolo, and CEO Bob Otolo.