MILWAUKEE — First Hospitality Group has opened the new 127-room Hilton Garden Inn Milwaukee Downtown hotel. The hotel is located in the former Loyalty Building, an original headquarters for Northwestern Mutual Life circa 1886. First Hospitality began converting the property in late 2011. The hotel features a fitness and business center and 4,500 square feet of meeting and event space. First Hospitality owns and manages the property. Milwaukee-based Kahler Slater served as the project architect.