W.F. HANN & SONS CO/HAVSCO
General Building contractor · active Jan 2015 – Jun 2026.
1,300
Permit jobs
7
Properties
1
States active
1
Counties active
$10.6M
Permit valuation
21
Trades
Trade breakdown
Permit jobs by trade (top 15).
General Building
1,300
Mechanical / HVAC
1,264
Refrigeration
1,215
Heating / Furnace
870
Air Conditioning / Heat Pump
575
Boiler
52
Plumbing
34
Water Heater
32
Water Service / Line
32
Fence / Wall
14
Electrical
6
Roofing
4
Electrical Service / Panel
4
Flooring
4
Gas Piping
4
Where they work
Ohio
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Stats are derived from construction permits and work events attributed to this contractor. Fields are shown only where sourced; valuation shown only when the source figure passes quality checks.