| Business | Phone |
| Arrowhead Lake Assn 870 N Highway 173, Lake Arrowhead 92352 | (909) 337-2595 |
| Arrowhead Woods Architectural Po Box 2026, Lake Arrowhead 92352 | (909) 336-2755 |
| Hamiltair Property Owners Assn 27573 High Knoll Rd, Lake Arrowhead 92352 | (909) 337-3781 |
| Temah Lodge Assoc 992 Sheltr Cove Dr, Lake Arrowhead 92352 | (909) 337-5224 |
| Ucla Conference Center 850 Willow Creek Rd, Lake Arrowhead 92352 | (909) 337-2478 |