| Business | Phone |
| Alfred Voegels Architect Inc 404 Main St, Klamath Falls 97601 | (541) 884-2600 |
| James D Matteson 724 Main St # 203, Klamath Falls 97601 | (541) 882-6673 |
| Pedersen/Voegels Architects 409 Pine St # 300, Klamath Falls 97601 | (541) 884-9831 |
| Zarosinski Architecture 1435 E Main St, Klamath Falls 97601 | (541) 883-8132 |