| Business | Phone |
| D T Construction Po Box 728, Castle Rock 98611 | (360) 274-4615 |
| Grizzly Construction Llc 105 Studebaker Rd, Castle Rock 98611 | (360) 274-3407 |
| Joel Kandoll Construction Inc 211 Front Ave Sw, Castle Rock 98611 | (360) 274-0800 |
| Ed Morrison Castle Rock 98611 | (360) 274-8054 |