DouxProcess Directory

Ask for any business in the US.

NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors

you asked:

Heating and air conditioning in Northfield, MN

14 heating and air conditioning in Northfield, MN; 417 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Proof for Benjamin Franklin Plumbing and One Hour Heating and Air Conditioning
    USDOT registration
    FMCSA 4230507
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Northfield, MN · serves Minnesota
    Phone
    (507) 645-4037
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  2. Benjamin Franklin Plumbing, One Hour Heating and Air Conditioning

    ActiveResidential building contractor

    Northfield, MN

    Proof for Benjamin Franklin Plumbing, One Hour Heating and Air Conditioning
    License
    DLI BC808616
    Issuer
    Minnesota DLI
    Status
    Active
    Class
    Residential building contractor
    Expires
    Mar 31, 2028
    Checked
    Nov 3, 2026
    Where
    Northfield, MN · serves Minnesota
    Phone
    (507) 645-4037
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up BC808616 → Minnesota DLI search
  3. Cat Plumbing and Heating LLC

    ActivePrivate motor carrier

    Northfield, MN

    Proof for Cat Plumbing and Heating LLC
    USDOT registration
    FMCSA 1529479
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Northfield, MN · serves Minnesota
    Phone
    (952) 393-3257
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  4. Erlings Heating & Air Conditioning LLC

    ActiveMechanical contractor (bonded registration)

    Northfield, MN

    Proof for Erlings Heating & Air Conditioning LLC
    License
    DLI MB005320
    Issuer
    Minnesota DLI
    Status
    Active
    Class
    Mechanical contractor (bonded registration)
    Expires
    Jun 30, 2028
    Checked
    Nov 3, 2026
    Where
    Northfield, MN · serves Minnesota
    Phone
    (507) 301-8509
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up MB005320 → Minnesota DLI search
  5. Myers HVACR LLC

    ActiveMechanical contractor (bonded registration)

    Northfield, MN

    Proof for Myers HVACR LLC
    License
    DLI MB100561
    Issuer
    Minnesota DLI
    Status
    Active
    Class
    Mechanical contractor (bonded registration)
    Expires
    Apr 23, 2028
    Checked
    Nov 3, 2026
    Where
    Northfield, MN · serves Minnesota
    Phone
    (612) 283-0891
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up MB100561 → Minnesota DLI search
  6. One Hour Heating and Air Conditioning / Benjamin Franklin Plumbing

    ActiveMechanical contractor (bonded registration)

    Northfield, MN

    Proof for One Hour Heating and Air Conditioning / Benjamin Franklin Plumbing
    License
    DLI MB100190
    Issuer
    Minnesota DLI
    Status
    Active
    Class
    Mechanical contractor (bonded registration)
    Expires
    Jun 26, 2028
    Checked
    Nov 3, 2026
    Where
    Northfield, MN · serves Minnesota
    Phone
    (507) 645-4037
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up MB100190 → Minnesota DLI search
  7. Pauls Plumbing & Heating of Dennison Inc

    ActivePlumbing contractor+1

    Northfield, MN

    Proof for Pauls Plumbing & Heating of Dennison Inc
    License
    DLI PC646566
    Issuer
    Minnesota DLI
    Status
    Active
    Class
    Plumbing contractor; Mechanical contractor (bonded registration)
    Expires
    Dec 31, 2027
    Checked
    Nov 3, 2026
    Where
    Northfield, MN · serves Minnesota
    Phone
    (507) 645-7105
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up PC646566 → Minnesota DLI search
  8. Perfect Climate Inc

    ActiveMechanical contractor (bonded registration)

    Northfield, MN

    Proof for Perfect Climate Inc
    License
    DLI MB715991
    Issuer
    Minnesota DLI
    Status
    Active
    Class
    Mechanical contractor (bonded registration)
    Expires
    Dec 4, 2026
    Checked
    Nov 3, 2026
    Where
    Northfield, MN · serves Minnesota
    Phone
    (612) 720-6604
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up MB715991 → Minnesota DLI search
  9. Retro Heating & Air Cond Inc

    ActivePrivate motor carrier

    Northfield, MN

    Proof for Retro Heating & Air Cond Inc
    USDOT registration
    FMCSA 1615114
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Northfield, MN · serves Minnesota
    Phone
    (952) 652-2008
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  10. Rons Northfield Refrigeration Heating & Air Conditioning Inc

    ActiveMechanical contractor (bonded registration)

    Northfield, MN

    Proof for Rons Northfield Refrigeration Heating & Air Conditioning Inc
    License
    DLI MB003325
    Issuer
    Minnesota DLI
    Status
    Active
    Class
    Mechanical contractor (bonded registration)
    Expires
    Aug 20, 2028
    Checked
    Nov 3, 2026
    Where
    Northfield, MN · serves Minnesota
    Phone
    (507) 645-5788
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up MB003325 → Minnesota DLI search
  11. Thibodeau Heating and Air Conditioning LLC

    ActiveMechanical contractor (bonded registration)

    Northfield, MN

    Proof for Thibodeau Heating and Air Conditioning LLC
    License
    DLI MB649611
    Issuer
    Minnesota DLI
    Status
    Active
    Class
    Mechanical contractor (bonded registration)
    Expires
    Apr 2, 2028
    Checked
    Nov 3, 2026
    Where
    Northfield, MN · serves Minnesota
    Phone
    (507) 663-7873
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up MB649611 → Minnesota DLI search
  12. Tj Dvorak Mechanical LLC

    ActivePlumbing contractor+1

    Northfield, MN

    Proof for Tj Dvorak Mechanical LLC
    License
    DLI PC790969
    Issuer
    Minnesota DLI
    Status
    Active
    Class
    Plumbing contractor; Mechanical contractor (bonded registration)
    Expires
    Dec 31, 2027
    Checked
    Nov 3, 2026
    Where
    Northfield, MN · serves Minnesota
    Phone
    (507) 649-2595
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up PC790969 → Minnesota DLI search
  13. Welch Plumbing Incorporated

    ActivePlumbing contractor+1

    Northfield, MN

    Proof for Welch Plumbing Incorporated
    License
    DLI PC645547
    Issuer
    Minnesota DLI
    Status
    Active
    Class
    Plumbing contractor; Mechanical contractor (bonded registration)
    Expires
    Dec 31, 2027
    Checked
    Nov 3, 2026
    Where
    Northfield, MN · serves Minnesota
    Phone
    (507) 645-9400
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up PC645547 → Minnesota DLI search
  14. Thibodeau Heating

    ActivePrivate motor carrier

    Northfield, MN

    Proof for Thibodeau Heating
    USDOT registration
    FMCSA 1084857
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Northfield, MN · serves Minnesota
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  15. Alanis Heating & Cooling LLC

    ActiveMechanical contractor (bonded registration)

    Nerstrand, MN · 9 mi away

    Proof for Alanis Heating & Cooling LLC
    License
    DLI MB100021
    Issuer
    Minnesota DLI
    Status
    Active
    Class
    Mechanical contractor (bonded registration)
    Expires
    Aug 16, 2027
    Checked
    Nov 3, 2026
    Where
    Nerstrand, MN · serves Minnesota
    Phone
    (612) 358-7345
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up MB100021 → Minnesota DLI search
  16. Better Air LLC

    ActiveMechanical contractor (bonded registration)

    Dundas, MN · 5 mi away

    Proof for Better Air LLC
    License
    DLI MB774563
    Issuer
    Minnesota DLI
    Status
    Active
    Class
    Mechanical contractor (bonded registration)
    Expires
    Nov 3, 2028
    Checked
    Nov 3, 2026
    Where
    Dundas, MN · serves Minnesota
    Phone
    (507) 663-1208
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up MB774563 → Minnesota DLI search
  17. Keith Pumper Plumbing & Heating Inc

    ActivePlumbing contractor+1

    Dundas, MN · 5 mi away

    Proof for Keith Pumper Plumbing & Heating Inc
    License
    DLI PC000394
    Issuer
    Minnesota DLI
    Status
    Active
    Class
    Plumbing contractor; Mechanical contractor (bonded registration)
    Expires
    Dec 31, 2027
    Checked
    Nov 3, 2026
    Where
    Dundas, MN · serves Minnesota
    Phone
    (612) 366-5436
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up PC000394 → Minnesota DLI search
  18. Keith Pumper Plumbing & Heating Inc

    ActivePrivate motor carrier

    Dundas, MN · 5 mi away

    Proof for Keith Pumper Plumbing & Heating Inc
    USDOT registration
    FMCSA 3102967
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Nov 1, 2026
    Where
    Dundas, MN · serves Minnesota
    Phone
    (507) 663-7870
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  19. Kelly Family Heating & Cooling LLC

    ActiveMechanical contractor (bonded registration)

    Dundas, MN · 5 mi away

    Proof for Kelly Family Heating & Cooling LLC
    License
    DLI MB789122
    Issuer
    Minnesota DLI
    Status
    Active
    Class
    Mechanical contractor (bonded registration)
    Expires
    Jan 3, 2028
    Checked
    Nov 3, 2026
    Where
    Dundas, MN · serves Minnesota
    Phone
    (612) 368-9909
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up MB789122 → Minnesota DLI search
  20. Mechanical Systems Inc

    ActiveHigh pressure piping contractor+1

    Dundas, MN · 5 mi away

    Proof for Mechanical Systems Inc
    License
    DLI HC000143
    Issuer
    Minnesota DLI
    Status
    Active
    Class
    High pressure piping contractor; Mechanical contractor (bonded registration)
    Expires
    Dec 31, 2027
    Checked
    Nov 3, 2026
    Where
    Dundas, MN · serves Minnesota
    Phone
    (507) 645-0292
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up HC000143 → Minnesota DLI search

More cities in Minnesota

Free for people · nobody pays to rank. Run one of these businesses? Claim it free.

Checked facts from public license files · How ranking works