Retail LPG supply, in bottles or cylinders.
St Peter Port·Organization
This St Peter Port firm, part of Islands Energy Group, is a dedicated supplier of bottled propane and butane gas cylinders.
From their website
Bottled gas supply and delivery
LPG cylinders (propane and butane)
St Peter Port·Service
✦203-year heritage (1823)
Guernsey's gas utility supplies bottled gas to homes and businesses, alongside its natural gas distribution network.
LPG bottled gas supplier
Also Gas work · Central heating · Boilers — install, service & repair
Other capabilities nearby in the graph — the count is how many businesses do each.