Call a local company that sells safes and ask them who they recommend. For $150-200, someone can move it and will be insured if anything breaks (like stairs).

Sutherlands - Cheyenne
5221 Yellowstone Road
Cheyenne, WY 82009
Phone Number: 307-637-7447
Toll Free: 888-597-3860

Rocky Mountain Shooters Supply
3507 E Mulberry St
Fort Collins, CO 80524
Phone Number: 970-221-5133