| Business | Phone |
| Antique & Art Restorations Ctr 207 W Ohio St, Chicago 60610 | (312) 321-9155 |
| Baumgartner Fine Art 1006 S Michigan Ave 706, Chicago 60605 | (312) 939-7630 |
| Fine Arts Conservation 218 S Wabash Ave 601, Chicago 60604 | (312) 987-9835 |
| Dan Cochrane Conservation 3043 W Belmont Ave, Chicago 60618 | (773) 279-1036 |
| Graphic Conservation Co 329 W 18th St 701, Chicago 60616 | (312) 738-2657 |