| Business | Phone |
| Advanstar 7500 Old Oak Blvd, Cleveland 44130 | (440) 243-8100 |
| Tradeshow Multimedia 701 Beta Dr # 3, Cleveland 44143 | (440) 446-9483 |
| Severance Hall-Cleveland 11001 Euclid Ave, Cleveland 44106 | (216) 231-7420 |
| Forum Conference & Education 1375 E 9th St, Cleveland 44114 | (216) 241-6338 |
| Ges Exposition Svc 7251 Engle Rd, Cleveland 44130 | (440) 260-2540 |
| Hmp Special Events 5882 Pearl Rd, Cleveland 44130 | (440) 888-6959 |
| I-X Center Corp 6200 Riverside Dr, Cleveland 44135 | (216) 362-1500 |
| Original Glorious Convention 7007 Superior Ave, Cleveland 44103 | (216) 431-4611 |
| Mystic Enterprises 14610 Rainbow Ave, Cleveland 44111 | (216) 252-5541 |
| Meeting Systems Inc 3088 N Windsor Ct, Cleveland 44145 | (440) 892-8928 |