| Business | Phone |
| Associates Gem Appraisers 1131 1/2 Church St, Northbrook 60062 | (847) 205-9602 |
| Gemworld International Inc 630 Dundee Rd 230, Northbrook 60062 | (847) 564-0555 |
| Weiskopf Appraisal Svc 1343 Landwehr Rd, Northbrook 60062 | (847) 509-9664 |
| Winternitz Inc 235 Anthony Trl, Northbrook 60062 | (847) 272-0440 |
| Gary Piattoni Fine & Dcrtv Northbrook 60062 | (847) 651-0982 |
| Kay Appraisal Assoc 4121 Crestwood Dr, Northbrook 60062 | (847) 272-3790 |
| Lt Annum Appraisal Svc Inc 555 Skokie Blvd, Northbrook 60062 | (847) 513-6470 |
| Sco Logistics Inc 3330 Dundee Rd N1, Northbrook 60062 | (847) 412-0284 |
| Snap Auctions Llc 812 Skokie Blvd, Northbrook 60062 | (847) 513-6460 |
| Sungard Services Co 3100 Arnold Ln, Northbrook 60062 | (847) 291-0290 |