DouxProcess Directory
Add to your AI

Ask for any business in the US.

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

you asked:

Heating and air conditioning in Prince Frederick, MD

Heating and air conditioning in Prince Frederick, MD; 63 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Leitch Heating & AC Inc

    ActivePrivate motor carrier

    Prince Frederick, MD

    CallAsk it
    Proof for Leitch Heating & AC Inc
    USDOT registration
    US-DOT 1292012
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Prince Frederick, MD · serves Maryland
    Phone
    (410) 535-2234
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  2. S F Jones Heating and Cooling

    ActivePrivate motor carrier

    Prince Frederick, MD

    CallAsk it
    Proof for S F Jones Heating and Cooling
    USDOT registration
    US-DOT 2821172
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Prince Frederick, MD · serves Maryland
    Phone
    (443) 532-1688
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  3. Berthiaume Heating & Air Services

    ActivePrivate motor carrier

    Port Republic, MD · 5 mi away

    CallAsk it
    Proof for Berthiaume Heating & Air Services
    USDOT registration
    US-DOT 4370244
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Port Republic, MD · serves Maryland
    Phone
    (443) 532-6118
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  4. Paul C Hayden Jr & Sons Plumbing & Heating Inc

    ActivePrivate motor carrier

    Huntingtown, MD · 4 mi away

    CallAsk it
    Proof for Paul C Hayden Jr & Sons Plumbing & Heating Inc
    USDOT registration
    US-DOT 1355809
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Huntingtown, MD · serves Maryland
    Phone
    (410) 257-3025
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  5. T F Nelson Plumbing & Heating Inc

    ActivePrivate motor carrier

    Hughesville, MD · 9 mi away

    CallAsk it
    Proof for T F Nelson Plumbing & Heating Inc
    USDOT registration
    US-DOT 1435071
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Hughesville, MD · serves Maryland
    Phone
    (301) 274-3175
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  6. Westers Plumbing & Heating

    ActivePrivate motor carrier

    Sunderland, MD · 9 mi away

    CallAsk it
    Proof for Westers Plumbing & Heating
    USDOT registration
    US-DOT 1573547
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Sunderland, MD · serves Maryland
    Phone
    (301) 520-8214
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  7. All Mechanical & Plumbing LLC

    ActivePrivate motor carrier

    Mechanicsville, MD · 12 mi away

    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

  8. B&N HVAC LLC

    ActivePrivate motor carrier

    Mechanicsvlle, MD · 12 mi away

    CallAsk it
    Proof for B&N HVAC LLC
    USDOT registration
    US-DOT 3430376
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Mechanicsvlle, MD · serves Maryland
    Phone
    (301) 752-7882
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  9. Boothe's Heating and Air Conditioning LLC

    ActivePrivate motor carrier

    Hollywood, MD · 13 mi away

    CallAsk it
    Proof for Boothe's Heating and Air Conditioning LLC
    USDOT registration
    US-DOT 3111219
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Hollywood, MD · serves Maryland
    Phone
    (301) 373-4247
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  10. C & C Mechanical Contractors Inc

    ActivePrivate motor carrier

    Dunkirk, MD · 14 mi away

    CallAsk it
    Proof for C & C Mechanical Contractors Inc
    USDOT registration
    US-DOT 1480266
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Dunkirk, MD · serves Maryland
    Phone
    (301) 855-1400
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  11. Cliff's Heating Air Conditioning Sheet Metal

    ActivePrivate motor carrier

    Mechanicsville, MD · 12 mi away

    CallAsk it
    Proof for Cliff's Heating Air Conditioning Sheet Metal
    USDOT registration
    US-DOT 1303860
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Mechanicsville, MD · serves Maryland
    Phone
    (301) 884-8167
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  12. Dmv Plumbing & Heating LLC

    ActivePrivate motor carrier

    Owings, MD · 10 mi away

    CallAsk it
    Proof for Dmv Plumbing & Heating LLC
    USDOT registration
    US-DOT 3521871
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Owings, MD · serves Maryland
    Phone
    (240) 784-0372
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  13. Gary Anderson Mechanical Services

    ActivePrivate motor carrier

    Owings, MD · 10 mi away

    CallAsk it
    Proof for Gary Anderson Mechanical Services
    USDOT registration
    US-DOT 2554271
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Owings, MD · serves Maryland
    Phone
    (410) 257-7277
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  14. Gm Mechanical Inc

    ActivePrivate motor carrier

    Mechanicsville, MD · 12 mi away

    CallAsk it
    Proof for Gm Mechanical Inc
    USDOT registration
    US-DOT 1676311
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Mechanicsville, MD · serves Maryland
    Phone
    (301) 884-0444
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  15. Hunt Plumbing Heating and Air Conditioning LLC

    ActivePrivate motor carrier

    Mechanicsvlle, MD · 12 mi away

    CallAsk it
    Proof for Hunt Plumbing Heating and Air Conditioning LLC
    USDOT registration
    US-DOT 2902733
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Mechanicsvlle, MD · serves Maryland
    Phone
    (301) 884-7110
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  16. HVAC Mechanical Service

    ActivePrivate motor carrier

    Mechanicsville, MD · 12 mi away

    CallAsk it
    Proof for HVAC Mechanical Service
    USDOT registration
    US-DOT 1846906
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Mechanicsville, MD · serves Maryland
    Phone
    (800) 771-3922
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  17. Lorence Plumbing & Heating Inc

    ActivePrivate motor carrier

    Owings, MD · 10 mi away

    CallAsk it
    Proof for Lorence Plumbing & Heating Inc
    USDOT registration
    US-DOT 1048897
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Owings, MD · serves Maryland
    Phone
    (301) 855-5108
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  18. Marshalls Mechanical LLC

    ActivePrivate motor carrier

    Owings, MD · 10 mi away

    CallAsk it
    Proof for Marshalls Mechanical LLC
    USDOT registration
    US-DOT 4233660
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Owings, MD · serves Maryland
    Phone
    (240) 695-7272
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  19. Puyenpa Mechanical Construction

    ActivePrivate motor carrier

    Mechanicsville, MD · 12 mi away

    CallAsk it
    Proof for Puyenpa Mechanical Construction
    USDOT registration
    US-DOT 7528610
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Mechanicsville, MD · serves Maryland
    Phone
    (443) 360-2779
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

  20. Quality Heating and Cooling Inc

    ActivePrivate motor carrier

    Hollywood, MD · 13 mi away

    CallAsk it
    Proof for Quality Heating and Cooling Inc
    USDOT registration
    US-DOT 1811565
    Issuer
    US-DOT
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Hollywood, MD · serves Maryland
    Phone
    (301) 373-9610
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-DOT record

More cities in Maryland

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

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

Checked facts from public license files · How ranking works