DouxProcess Directory

Ask for any business in the US.

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

you asked:

Heating and air conditioning in St. Helens, OR

6 heating and air conditioning in St. Helens, OR; 117 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Mallard Mechanical

    ActivePrivate motor carrier

    Saint Helens, OR

    Proof for Mallard Mechanical
    USDOT registration
    US-DOT 2996273
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Saint Helens, OR · serves Oregon
    Phone
    (503) 396-7667
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record
  2. Mechanical Insulation Contracting Inc

    ActiveCommercial specialty contractor, level 2

    St Helens, OR

    Proof for Mechanical Insulation Contracting Inc
    License
    US-OR-CCB 80533
    Issuer
    US-OR-CCB
    Status
    Active
    Class
    Commercial specialty contractor, level 2
    Expires
    Apr 13, 2028
    Checked
    Oct 25, 2026
    Where
    St Helens, OR · serves Oregon
    Phone
    (503) 777-0221
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-OR-CCB record
  3. Peterson Plumbing & Mechanical CO

    ActiveResidential specialty contractor

    Saint Helens, OR

    Proof for Peterson Plumbing & Mechanical CO
    License
    US-OR-CCB 219175
    Issuer
    US-OR-CCB
    Status
    Active
    Class
    Residential specialty contractor
    Expires
    Feb 20, 2028
    Checked
    Oct 25, 2026
    Where
    Saint Helens, OR · serves Oregon
    Phone
    (503) 927-9103
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-OR-CCB record
  4. Riverside Heating and Cooling LLC

    ActiveResidential specialty contractor

    St Helens, OR

    Proof for Riverside Heating and Cooling LLC
    License
    US-OR-CCB 228571
    Issuer
    US-OR-CCB
    Status
    Active
    Class
    Residential specialty contractor
    Expires
    Oct 30, 2027
    Checked
    Oct 25, 2026
    Where
    St Helens, OR · serves Oregon
    Phone
    (503) 369-5448
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-OR-CCB record
  5. Rofinot Heating Inc

    ActiveResidential specialty contractor

    Saint Helens, OR

    Proof for Rofinot Heating Inc
    License
    US-OR-CCB 36910
    Issuer
    US-OR-CCB
    Status
    Active
    Class
    Residential specialty contractor
    Expires
    Mar 27, 2027
    Checked
    Oct 25, 2026
    Where
    Saint Helens, OR · serves Oregon
    Phone
    (503) 397-4129
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-OR-CCB record
  6. Stans Refrigeration & Air Conditioning Inc

    ActiveResidential specialty contractor

    Saint Helens, OR

    Proof for Stans Refrigeration & Air Conditioning Inc
    License
    US-OR-CCB 60959
    Issuer
    US-OR-CCB
    Status
    Active
    Class
    Residential specialty contractor
    Expires
    Aug 11, 2028
    Checked
    Oct 25, 2026
    Where
    Saint Helens, OR · serves Oregon
    Phone
    (503) 397-5510
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-OR-CCB record
  7. Columbia Mechanical Inc

    ActiveCommercial specialty contractor, level 2

    Woodland, WA · 10 mi away

    Proof for Columbia Mechanical Inc
    License
    US-OR-CCB 151122
    Issuer
    US-OR-CCB
    Status
    Active
    Class
    Commercial specialty contractor, level 2
    Expires
    Apr 10, 2028
    Checked
    Oct 25, 2026
    Where
    Woodland, WA · serves Oregon
    Phone
    (360) 225-1600
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-OR-CCB record
  8. Core Mechanical LLC

    ActiveResidential specialty contractor+1

    La Center, WA · 10 mi away

    Proof for Core Mechanical LLC
    License
    US-OR-CCB 233379
    Issuer
    US-OR-CCB
    Status
    Active
    Class
    Residential specialty contractor; Commercial specialty contractor, level 2
    Expires
    Dec 4, 2026
    Checked
    Oct 25, 2026
    Where
    La Center, WA · serves Oregon
    Phone
    (360) 852-5761
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-OR-CCB record
  9. D & D Mechanical Contractors LLC

    ActiveResidential specialty contractor+1

    Scappoose, OR · 8 mi away

    Proof for D & D Mechanical Contractors LLC
    License
    US-OR-CCB 263723
    Issuer
    US-OR-CCB
    Status
    Active
    Class
    Residential specialty contractor; Commercial specialty contractor, level 2
    Expires
    Sep 30, 2028
    Checked
    Oct 25, 2026
    Where
    Scappoose, OR · serves Oregon
    Phone
    (503) 849-1414
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-OR-CCB record
  10. Highland Mechanical LLC

    ActiveCommercial specialty contractor, level 2

    Woodland, WA · 10 mi away

    Proof for Highland Mechanical LLC
    License
    US-OR-CCB 213795
    Issuer
    US-OR-CCB
    Status
    Active
    Class
    Commercial specialty contractor, level 2
    Expires
    Feb 27, 2027
    Checked
    Oct 25, 2026
    Where
    Woodland, WA · serves Oregon
    Phone
    (360) 609-4060
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-OR-CCB record
  11. Hilltop Refrigeration Inc

    ActiveResidential specialty contractor+1

    Woodland, WA · 10 mi away

    Proof for Hilltop Refrigeration Inc
    License
    US-OR-CCB 219017
    Issuer
    US-OR-CCB
    Status
    Active
    Class
    Residential specialty contractor; Commercial specialty contractor, level 2
    Expires
    Feb 23, 2028
    Checked
    Oct 25, 2026
    Where
    Woodland, WA · serves Oregon
    Phone
    (775) 771-4004
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-OR-CCB record
  12. Absolute Heating and Cooling Solutions LLC

    ActiveResidential specialty contractor

    Vancouver, WA · 11 mi away

    Proof for Absolute Heating and Cooling Solutions LLC
    License
    US-OR-CCB 200568
    Issuer
    US-OR-CCB
    Status
    Active
    Class
    Residential specialty contractor
    Expires
    Jul 30, 2027
    Checked
    Oct 25, 2026
    Where
    Vancouver, WA · serves Oregon
    Phone
    (360) 521-5355
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-OR-CCB record
  13. Pacific Northwest HVAC Inc

    ActiveResidential specialty contractor+1

    Portland, OR · 12 mi away

    Proof for Pacific Northwest HVAC Inc
    License
    US-OR-CCB 210780
    Issuer
    US-OR-CCB
    Status
    Active
    Class
    Residential specialty contractor; Commercial specialty contractor, level 2
    Expires
    Jun 3, 2028
    Checked
    Oct 25, 2026
    Where
    Portland, OR · serves Oregon
    Phone
    (503) 678-2517
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-OR-CCB record
  14. Suretech Heating & Cooling LLC

    ActiveResidential specialty contractor

    Vancouver, WA · 14 mi away

    Proof for Suretech Heating & Cooling LLC
    License
    US-OR-CCB 251164
    Issuer
    US-OR-CCB
    Status
    Active
    Class
    Residential specialty contractor
    Expires
    Sep 3, 2028
    Checked
    Oct 25, 2026
    Where
    Vancouver, WA · serves Oregon
    Phone
    (360) 305-3690
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-OR-CCB record
  15. 3 Mountains Plumbing 3 Mountains Excavation 3 Mountains Heating & Cooling

    ActivePrivate motor carrier

    Portland, OR · 19 mi away

    Proof for 3 Mountains Plumbing 3 Mountains Excavation 3 Mountains Heating & Cooling
    USDOT registration
    US-DOT 3424629
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Portland, OR · serves Oregon
    Phone
    (503) 670-1342
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record
  16. Aaa Heating & Cooling Inc

    ActiveResidential specialty contractor

    Portland, OR · 19 mi away

    Proof for Aaa Heating & Cooling Inc
    License
    US-OR-CCB 222
    Issuer
    US-OR-CCB
    Status
    Active
    Class
    Residential specialty contractor
    Expires
    Oct 27, 2027
    Checked
    Oct 25, 2026
    Where
    Portland, OR · serves Oregon
    Phone
    (503) 284-2173
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-OR-CCB record
  17. Air Pro Heating & Cooling LLC

    ActiveResidential specialty contractor+1

    Vancouver, WA · 18 mi away

    Proof for Air Pro Heating & Cooling LLC
    License
    US-OR-CCB 172691
    Issuer
    US-OR-CCB
    Status
    Active
    Class
    Residential specialty contractor; Lead-based paint renovation contractor
    Expires
    Mar 19, 2027
    Checked
    Oct 25, 2026
    Where
    Vancouver, WA · serves Oregon
    Phone
    (800) 949-0000
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-OR-CCB record
  18. Airco Heating and AC LLC

    ActiveResidential specialty contractor+1

    Amboy, WA · 19 mi away

    Proof for Airco Heating and AC LLC
    License
    US-OR-CCB 248428
    Issuer
    US-OR-CCB
    Status
    Active
    Class
    Residential specialty contractor; Commercial specialty contractor, level 2
    Expires
    Dec 6, 2027
    Checked
    Oct 25, 2026
    Where
    Amboy, WA · serves Oregon
    Phone
    (360) 713-4183
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-OR-CCB record
  19. Albatross HVAC Inc

    ActiveResidential specialty contractor

    Battle Ground, WA · 15 mi away

    Proof for Albatross HVAC Inc
    License
    US-OR-CCB 189249
    Issuer
    US-OR-CCB
    Status
    Active
    Class
    Residential specialty contractor
    Expires
    Jan 14, 2028
    Checked
    Oct 25, 2026
    Where
    Battle Ground, WA · serves Oregon
    Phone
    (360) 687-8660
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-OR-CCB record
  20. Am Pm Heating and Cooling Inc

    ActiveResidential specialty contractor

    Brush Prairie, WA · 19 mi away

    Proof for Am Pm Heating and Cooling Inc
    License
    US-OR-CCB 246044
    Issuer
    US-OR-CCB
    Status
    Active
    Class
    Residential specialty contractor
    Expires
    Aug 9, 2027
    Checked
    Oct 25, 2026
    Where
    Brush Prairie, WA · serves Oregon
    Phone
    (360) 254-2470
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-OR-CCB record

More cities in Oregon

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

Checked facts from public license files · How ranking works