Established in 1973, O'Callahan's Restaurant & Catering is an event management company that offers a range of dining options and in-house and off-premise catering services. It provides planning and space for organizing various special events, such as corporate functions, wedding ceremonies, business meetings, company picnics, and anniversary and birthday parties. O'Callahan's Restaurant & Catering operates hospitality and banquet facilities throughout Idaho, Oregon, and Washington. It features an on-site, full-service restaurant, lounge, and banquet, dining and meeting rooms. The company s dinner menu includes chicken dishes, pork chops and roasted prime rib. O'Callahan's Restaurant & Catering maintains a location in Idaho Falls, Idaho.