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

you asked:

Heating and air conditioning in Timonium, MD

Heating and air conditioning in Timonium, MD; 136 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Knott Mechanical Inc

    ActivePrivate motor carrier

    Timonium, MD

    CallAsk it
    Proof for Knott Mechanical Inc
    USDOT registration
    FMCSA 2570025
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Timonium, MD · serves Maryland
    Phone
    (410) 561-2000
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  2. Towson Mechanical Incoporated

    ActivePrivate motor carrier

    Timonium, MD

    CallAsk it
    Proof for Towson Mechanical Incoporated
    USDOT registration
    FMCSA 1668861
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Timonium, MD · serves Maryland
    Phone
    (410) 668-1210
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  3. Calvert Plumbing & Heating CO Inc

    ActivePrivate motor carrier

    Towson, MD · 3 mi away

    CallAsk it
    Proof for Calvert Plumbing & Heating CO Inc
    USDOT registration
    FMCSA 1512020
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Towson, MD · serves Maryland
    Phone
    (410) 323-5400
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  4. Pipco Air Conditioning & Heating CO Inc

    ActivePrivate motor carrier

    Lutherville Timonium, MD · 2 mi away

    CallAsk it
    Proof for Pipco Air Conditioning & Heating CO Inc
    USDOT registration
    FMCSA 4254684
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Lutherville Timonium, MD · serves Maryland
    Phone
    (410) 252-7400
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  5. Advanced Heating & Cooling LLC

    ActivePrivate motor carrier

    Owings Mills, MD · 9 mi away

    CallAsk it
    Proof for Advanced Heating & Cooling LLC
    USDOT registration
    FMCSA 4273894
    Issuer
    FMCSA
    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 → FMCSA record

  6. Baldwin Mechanical Contractors Inc

    ActivePrivate motor carrier

    Baltimore, MD · 9 mi away

    CallAsk it
    Proof for Baldwin Mechanical Contractors Inc
    USDOT registration
    FMCSA 2408043
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Baltimore, MD · serves Maryland
    Phone
    (410) 483-3312
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  7. Binder Plumbing and Heating

    ActivePrivate motor carrier

    Baltimore, MD · 5 mi away

    CallAsk it
    Proof for Binder Plumbing and Heating
    USDOT registration
    FMCSA 1038013
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Baltimore, MD · serves Maryland
    Phone
    (410) 668-4800
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  8. Drw Mechanical LLC

    ActivePrivate motor carrier

    Baltimore, MD · 8 mi away

    CallAsk it
    Proof for Drw Mechanical LLC
    USDOT registration
    FMCSA 4509317
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Baltimore, MD · serves Maryland
    Phone
    (667) 256-6483
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  9. Excel Mechanical Contractors

    ActivePrivate motor carrier

    Rosedale, MD · 9 mi away

    CallAsk it
    Proof for Excel Mechanical Contractors
    USDOT registration
    FMCSA 4474351
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Rosedale, MD · serves Maryland
    Phone
    (443) 884-1406
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  10. Fidelity Engineering Corporation Fidelity Power Systems Fidelity Mechanical

    ActivePrivate motor carrier

    Sparks, MD · 9 mi away

    CallAsk it
    Proof for Fidelity Engineering Corporation Fidelity Power Systems Fidelity Mechanical
    USDOT registration
    FMCSA 887140
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Sparks, MD · serves Maryland
    Phone
    (410) 891-1511
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  11. Frazier's Mechanical Services LLC

    ActivePrivate motor carrier

    Nottingham, MD · 7 mi away

    CallAsk it
    Proof for Frazier's Mechanical Services LLC
    USDOT registration
    FMCSA 3350669
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Nottingham, MD · serves Maryland
    Phone
    (410) 870-6092
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  12. Kenlea Plumbing & Heating Inc

    ActivePrivate motor carrier

    Baltimore, MD · 7 mi away

    CallAsk it
    Proof for Kenlea Plumbing & Heating Inc
    USDOT registration
    FMCSA 1510677
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Baltimore, MD · serves Maryland
    Phone
    (410) 882-4836
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  13. Michel Welding & Mechanical Repair

    ActivePrivate motor carrier

    Baldwin, MD · 7 mi away

    CallAsk it
    Proof for Michel Welding & Mechanical Repair
    USDOT registration
    FMCSA 1297047
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Baldwin, MD · serves Maryland
    Phone
    (410) 692-5416
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  14. Rick's Welding & Mechanical Repairs LLC

    ActivePrivate motor carrier

    Baltimore, MD · 8 mi away

    CallAsk it
    Proof for Rick's Welding & Mechanical Repairs LLC
    USDOT registration
    FMCSA 1726932
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Baltimore, MD · serves Maryland
    Phone
    (410) 488-4692
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  15. Seymore Welding and Mechanical Inc

    ActivePrivate motor carrier

    Baltimore, MD · 8 mi away

    CallAsk it
    Proof for Seymore Welding and Mechanical Inc
    USDOT registration
    FMCSA 2370007
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Baltimore, MD · serves Maryland
    Phone
    (443) 435-0444
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  16. Tab Plumbing & Heating LLC

    ActivePrivate motor carrier

    Rosedale, MD · 9 mi away

    CallAsk it
    Proof for Tab Plumbing & Heating LLC
    USDOT registration
    FMCSA 3845624
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Rosedale, MD · serves Maryland
    Phone
    (443) 336-5466
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  17. Wes Plumbing Heating & Cooling

    ActivePrivate motor carrier

    Nottingham, MD · 7 mi away

    CallAsk it
    Proof for Wes Plumbing Heating & Cooling
    USDOT registration
    FMCSA 4051694
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Nottingham, MD · serves Maryland
    Phone
    (410) 931-3535
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record

  18. A J R Heating Air Conditioning & Refrigeration Inc

    ActivePrivate motor carrier

    Baltimore, MD · 15 mi away

    CallAsk it
    Proof for A J R Heating Air Conditioning & Refrigeration Inc
    USDOT registration
    FMCSA 1460578
    Issuer
    FMCSA
    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 → FMCSA record

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

    ActivePrivate motor carrier

    Randallstown, MD · 12 mi away

    CallAsk it
    Proof for A-Z Heating Air-Conditioning and Refrigeration Inc
    USDOT registration
    FMCSA 3101850
    Issuer
    FMCSA
    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 → FMCSA record

  20. Abbotts Brothers Plumbing & Heating of MD Inc

    ActivePrivate motor carrier

    Joppa, MD · 13 mi away

    CallAsk it
    Proof for Abbotts Brothers Plumbing & Heating of MD Inc
    USDOT registration
    FMCSA 4254463
    Issuer
    FMCSA
    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 → FMCSA record

More cities in Maryland

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

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