Retail LPG supply, in bottles or cylinders.
Spanning Fuel & Gas Suppliers (3), plus 2 more niches.
St Peter Port
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) (inferred from the source page)
St Peter Port
✦203-year heritage (1823)
Guernsey's gas utility supplies bottled gas to homes and businesses, alongside its natural gas distribution network.
St Sampson·Est. 1955
Fuel distribution operator and heating oil supplier, trading as Fuel Supplies (C.I.) Limited since 1955, with 23 outlets across the Channel Islands.
From their website
Lpg Supplier (inferred from the source page)
Alderney·Shop
Building centre on Alderney, stocking everything for the island's building trade, homewares, and gardening supplies.
From their website
Home fuel supplies (gas, solid fuel)
Also Garden furniture & sundries · Homeware & home décor · Flooring
Alderney
Marine services business on Alderney, offering chandlery, yacht brokerage, and marine engineering, serving local boat owners and visiting yachtsmen.
From their website
Bottled gas (inferred from the source page)
Also Boat repair & maintenance · Boat haulage & lifting · Marine engines & outboards
Other capabilities nearby in the graph — the count is how many businesses do each.