Kitchen fire suppression contractors in Wisconsin.
29 verified contractors listed across 15 cities in Wisconsin. Every one holds a current manufacturer certification for at least one UL 300 system — no generalists, no residential crews.
15 cities in Wisconsin
Milwaukee
NFPA 96 inspections, UL 300 upgrades
Waukesha
NFPA 96 inspections, UL 300 upgrades
Butler
NFPA 96 inspections, UL 300 upgrades
Franklin
NFPA 96 inspections, UL 300 upgrades
Menomonee Falls
NFPA 96 inspections, UL 300 upgrades
Bangor
NFPA 96 inspections, UL 300 upgrades
Fond du Lac
NFPA 96 inspections, UL 300 upgrades
Horicon
NFPA 96 inspections, UL 300 upgrades
Madison
NFPA 96 inspections, UL 300 upgrades
Neenah
NFPA 96 inspections, UL 300 upgrades
New Berlin
NFPA 96 inspections, UL 300 upgrades
Saukville
NFPA 96 inspections, UL 300 upgrades
Slinger
NFPA 96 inspections, UL 300 upgrades
Stevens Point
NFPA 96 inspections, UL 300 upgrades
Wauwatosa
NFPA 96 inspections, UL 300 upgrades
What Wisconsin restaurants need to pass inspection
Semi-annual suppression inspection
Every commercial kitchen in Wisconsin must have its pre-engineered fire suppression system inspected by a certified technician every 6 months (§11.4). Expect $200–$500 per inspection depending on system size.
Wet chemical agent required
Any system installed or recharged after 1998 must be UL 300 certified. Legacy dry-chemical systems no longer meet code and typically void kitchen-specific insurance policies.
Portable extinguisher within 30 ft
NFPA 10 requires a Class K portable extinguisher within 30 feet of every commercial cooking appliance as a secondary defense. Tagged monthly, serviced annually, or it's a failed inspection.
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