| Business | Phone |
| Construction Plus Inc 1011 S Clay St, Mount Carroll 61053 | (815) 244-3082 |
| Zickau & Son Building & Home 302 N Carroll St, Mount Carroll 61053 | (815) 244-1989 |
| Pleasant Valley Construction 9966 Il Route 78 S, Mount Carroll 61053 | (815) 947-2820 |