Update: Buildings with Level 7 upgrade
- Bakery
- Bowmaker
- Brewery
- Butcher
- Coal Mine
- Coking Plant
- Colorful Finesmith
- Colorful Simple Papermill
- Copper Mine
- Exotic Wood Cutter
- Exotic Wood Forester
- Exoticwood Sawmill
- Farm
- Finesmith
- Fisherman
- Gold Mine
- Granite Mason
- Hardwood Cutter
- Hardwood Forester
- Hardwood Sawmill
- Hunter
- Improved Lettersmith
- Intermediate Papermill
- Iron Mine
- Lettersmith
- Longbowmaker
- Mahogany Sawmill
- Marble Mason
- Mason
- Mill
- Pinewood Cutter
- Pinewood Forester
- Pinewood Sawmill
- Residence
- Saltpeter Mine
- Silo
- Simple Papermill
- Stable
- Storehouse
- Titanium Mine
- Toolmaker
- Watermill
Don't worry if you don't see your favourite building listed above; more buildings will receive their own Level 7 Upgrade in future deployments!