| Business | Phone |
| Architectural Woodworks 500 Westwood Dr, Sister Bay 54234 | (920) 854-1817 |
| Emanuelson Architects 2776 Pioneer Rd, Sister Bay 54234 | (920) 854-4966 |
| John D Holland Architects 970 Birchwood Dr, Sister Bay 54234 | (920) 854-2310 |
| Paul D Malmgren & Assoc 108 Sunset Dr, Sister Bay 54234 | (920) 854-4722 |
| Thomas Group Development Inc 518 Country Walk Ln, Sister Bay 54234 | (920) 854-7836 |