| Business | Phone |
| Gec Consultants Inc 4604 Birchwood Ave, Skokie 60076 | (847) 674-6310 |
| Byczek Associates 7410 Niles Center Rd, Skokie 60077 | (847) 763-9950 |
| Contact International Inc 8001 Lincoln Ave 201, Skokie 60077 | (847) 324-4411 |
| Creative Hospitality Assoc 3856 Oakton St, Skokie 60076 | (847) 676-9696 |