| Business | Phone |
| J & J Masonry 517 Rhey St, Waterloo 50703 | (319) 233-0955 |
| Mike Dolan Concrete & Masonry 1140 Fairchild St, Waterloo 50703 | (319) 232-9658 |
| Mike Reuter Cement Constr 122 S Raymond Rd, Waterloo 50703 | (319) 287-4536 |
| Bowers Masonry Inc 112 Sidehill Dr, Waterloo 50701 | (319) 233-0168 |
| Carl Schuler Masonry Const Co 2130 Commercial St, Waterloo 50702 | (319) 232-8113 |