 Muscle Maker Grill, Inc. Nasdaq: GRIL the parent company of Muscle Maker Grill Healthy Joes, a fast-casual concept known for serving healthier for you meals, today announced that it has begun the construction phase at its third and fourth delivery-only ghost kitchens to open in the downtown Chicago market. The final kitchen out of the five Chicago locations is anticipated to open later this summer. The kitchens will feature menu items from both MMG Brands, Muscle Maker Grill and Healthy Joes. Individually packaged MMG meal plans will also be sold from all of the ghost kitchens. 