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

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Heating and air conditioning in Maryland

322 heating and air conditioning listed in Maryland, each checked against the issuer's record. In the published order.

  1. 3-D Plubing & Heating Inc

    ActivePrivate motor carrier

    Camp Springs, MD

    CallAsk it
    Proof for 3-D Plubing & Heating Inc
    USDOT registration
    US-DOT 1310790
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Camp Springs, MD · serves Maryland
    Phone
    (301) 464-8151
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  2. A & B Luck Plumbing & Heating Inc

    ActivePrivate motor carrier

    Damascus, MD

    CallAsk it
    Proof for A & B Luck Plumbing & Heating Inc
    USDOT registration
    US-DOT 1461061
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Damascus, MD · serves Maryland
    Phone
    (301) 253-5283
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  3. A E Reid Heating & a C Inc

    ActivePrivate motor carrier

    Union Bridge, MD

    CallAsk it
    Proof for A E Reid Heating & a C Inc
    USDOT registration
    US-DOT 1133300
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Union Bridge, MD · serves Maryland
    Phone
    (410) 775-7546
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  4. A J R Heating Air Conditioning & Refrigeration Inc

    ActivePrivate motor carrier

    Baltimore, MD

    CallAsk it
    Proof for A J R Heating Air Conditioning & Refrigeration Inc
    USDOT registration
    US-DOT 1460578
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Baltimore, MD · serves Maryland
    Phone
    (410) 242-7177
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  5. A-Quality Heating & Air Conditioning Inc

    ActivePrivate motor carrier

    Westminster, MD

    CallAsk it
    Proof for A-Quality Heating & Air Conditioning Inc
    USDOT registration
    US-DOT 1523271
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Westminster, MD · serves Maryland
    Phone
    (410) 751-9700
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  6. A-Z Heating Air-Conditioning and Refrigeration Inc

    ActivePrivate motor carrier

    Randallstown, MD

    CallAsk it
    Proof for A-Z Heating Air-Conditioning and Refrigeration Inc
    USDOT registration
    US-DOT 3101850
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Randallstown, MD · serves Maryland
    Phone
    (410) 944-4810
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  7. Abbotts Brothers Plumbing & Heating of MD Inc

    ActivePrivate motor carrier

    Joppa, MD

    CallAsk it
    Proof for Abbotts Brothers Plumbing & Heating of MD Inc
    USDOT registration
    US-DOT 4254463
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Joppa, MD · serves Maryland
    Phone
    (410) 365-5990
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  8. Abend Plumbing & Heating LLC

    ActivePrivate motor carrier

    Brooklyn, MD

    CallAsk it
    Proof for Abend Plumbing & Heating LLC
    USDOT registration
    US-DOT 3881060
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Brooklyn, MD · serves Maryland
    Phone
    (410) 609-0708
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  9. Above and Beyond Plumbing & Heating

    ActivePrivate motor carrier

    Frederick, MD

    CallAsk it
    Proof for Above and Beyond Plumbing & Heating
    USDOT registration
    US-DOT 3161759
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Frederick, MD · serves Maryland
    Phone
    (240) 216-8767
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  10. Advanced Heating & Cooling LLC

    ActivePrivate motor carrier

    Owings Mills, MD

    CallAsk it
    Proof for Advanced Heating & Cooling LLC
    USDOT registration
    US-DOT 4273894
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Owings Mills, MD · serves Maryland
    Phone
    (410) 833-9445
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  11. Affordable Plumbing and Heating

    ActivePrivate motor carrier

    Leonardtown, MD

    CallAsk it
    Proof for Affordable Plumbing and Heating
    USDOT registration
    US-DOT 1092975
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Leonardtown, MD · serves Maryland
    Phone
    (301) 475-9506
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  12. Air Tech Refrigeration and Mechanical Contractors Incorporated

    ActivePrivate motor carrier

    Baltimore, MD

    CallAsk it
    Proof for Air Tech Refrigeration and Mechanical Contractors Incorporated
    USDOT registration
    US-DOT 1622300
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Baltimore, MD · serves Maryland
    Phone
    (410) 335-3660
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  13. Albright's Mechanical Services Inc

    ActivePrivate motor carrier

    Essex, MD

    CallAsk it
    Proof for Albright's Mechanical Services Inc
    USDOT registration
    US-DOT 3300723
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Essex, MD · serves Maryland
    Phone
    (410) 391-4737
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  14. All Mechanical & Plumbing LLC

    ActivePrivate motor carrier

    Mechanicsville, MD

    CallAsk it
    Proof for All Mechanical & Plumbing LLC
    USDOT registration
    US-DOT 2206187
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Mechanicsville, MD · serves Maryland
    Phone
    (301) 884-6093
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  15. All Seasons Heating & Cooling

    ActivePrivate motor carrier

    Baltimore, MD

    CallAsk it
    Proof for All Seasons Heating & Cooling
    USDOT registration
    US-DOT 2415921
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Baltimore, MD · serves Maryland
    Phone
    (410) 233-8960
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  16. All Temp Heating and Air Conditioning Inc

    ActivePrivate motor carrier

    Baltimore, MD

    CallAsk it
    Proof for All Temp Heating and Air Conditioning Inc
    USDOT registration
    US-DOT 1037239
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Baltimore, MD · serves Maryland
    Phone
    (410) 467-3311
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  17. Amazing Heating & Air Conditioning Inc

    ActivePrivate motor carrier

    Baltimore, MD

    CallAsk it
    Proof for Amazing Heating & Air Conditioning Inc
    USDOT registration
    US-DOT 1778081
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Baltimore, MD · serves Maryland
    Phone
    (410) 685-0383
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  18. American Mechanical Services of Maryland LLC

    ActivePrivate motor carrier

    Laurel, MD

    CallAsk it
    Proof for American Mechanical Services of Maryland LLC
    USDOT registration
    US-DOT 468575
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Laurel, MD · serves Maryland
    Phone
    (301) 206-5070
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  19. Anchor Mechanical LLC

    ActivePrivate motor carrier

    Forest Hill, MD

    CallAsk it
    Proof for Anchor Mechanical LLC
    USDOT registration
    US-DOT 4628265
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Forest Hill, MD · serves Maryland
    Phone
    (410) 452-5601
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  20. Annemessex Plumbing & Heating Inc

    ActivePrivate motor carrier

    Crisfield, MD

    CallAsk it
    Proof for Annemessex Plumbing & Heating Inc
    USDOT registration
    US-DOT 2302904
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Crisfield, MD · serves Maryland
    Phone
    (410) 968-3362
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

Cities

Baltimore 28Frederick 18Westminster 11Gaithersburg 9Pasadena 8Easton 6Mechanicsville 6Upper Marlboro 6Forest Hill 5Owings 5

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