Denning Sheet Metal Inc

Mar 5, 2026 1:42 PM

3580 Mount Highway 40 West
Columbia Falls, MT (Montana) 59912-8949
(406) 892-0****

Business Details

40 years Since 1975 Curtis Denning (President) (406) 892-0115 (Fax)

Serving the Areas:	Serving Northwestern Montana
Products:	Heating & Air Conditioning, Sales, Service, Gas, Electric, Oil, Heat Pumps, Ac, Air Conditioning Units, Air Units, Bedspreads, Cooktops, Cooling, Heating Oil, Natural Gas, Ranges
Product Features:	Electric
Services:	24 Hour Emergency Service, Serving Northwestern Montana Since 1975, Heating & Air Conditioning, Sales, Service, Installation, Gas, Electric, Oil, Radiant Floor Systems, Heat Pumps, Ac Systems, Air Sampling, Air Testing, Hanging, Set Up
Brands:	Lennox
Special Hours:	24-Hour Service, Emergency Services, Day & Night
Professionals on Staff:	Installers
General Content:	Sales, Service
Credit Rating:	Very Good
Sales Volume:	2M - 5M
Employee Size Range:	20-49
Franchise/Chain:	Standalone
Number of PC's:	2-9
Square Footage:	2500-9999
Fortune 500:	No

Additional Categories

Denning Sheet Metal Inc is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

Air Conditioning Contractors
Furnaces Heating Equipment & Supplies
Heat Pumps
Heating & Air Conditioning Contractors
Sheet Metal Contractors
Heating Contractors

North American Industry Classification System (NAICS) Categories:

Plumbing, Heating, And Air-Conditioning Contractors > Heating Contractors
Plumbing, Heating, And Air-Conditioning Contractors > Air Conditioning Contractors
Other Building Finishing Contractors > Sheet Metal & Duct Work > Sheet Metal Contractors
Warm Air Heating And Air-Conditioning Equipment And Supplies Merchant Wholesalers > Stoves & Furnaces Equipment > Furnace Fittings & Repair Parts
Household Appliance Stores > Air Conditioning & Heating Systems > Heat Pumps

Standard Industry Classification (SIC) Categories:

Plumbing, Heating And Air Conditioning > Heating Contractors
Plumbing, Heating And Air Conditioning > Air Conditioning Contractors
Roofing, Siding, And Sheet Metal Work > Sheet Metal & Duct Work > Sheet Metal Contractors
Warm Air Heating & Air Conditioning > Stoves & Furnaces Equipment > Furnace Fittings & Repair Parts
Household Appliance Stores > Air Conditioning & Heating Systems > Heat Pumps

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