| Business | Phone |
| Ace Auctioneers Inc 3530 W Peterson Ave 204, Chicago 60659 | (773) 583-3111 |
| Auctionbay Inc 3436 N Harding Ave, Chicago 60618 | (773) 478-3243 |
| Awarestore.Com 3449 N Southport Ave, Chicago 60657 | (773) 477-9487 |
| Bonhams & Butterfields 449 W Saint James Pl, Chicago 60614 | (773) 278-6630 |
| Celebrity Charity Chair Auctn 400 E Randolph St 2010, Chicago 60601 | (312) 527-5948 |
| Elite Auctions Inc 445 W Erie St, Chicago 60610 | (312) 654-1760 |
| Drews Philatelic Auctions 7137 W Higgins Ave, Chicago 60656 | (773) 792-9116 |
| Christie's Fine Art Auctioneer 875 N Michigan Ave 3810, Chicago 60611 | (312) 787-2765 |
| Direct Office Furniture Wrhse 7232 N Western Ave, Chicago 60645 | (773) 465-3300 |