DouxProcess Directory

Ask for any business in the US.

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

you asked:

Heating and air conditioning in White Plains, MD

Heating and air conditioning in White Plains, MD; 60 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Ls Mechanical Inc

    ActivePrivate motor carrier

    White Plains, MD

    Proof for Ls Mechanical Inc
    USDOT registration
    FMCSA 2511802
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    White Plains, MD · serves Maryland
    Phone
    (301) 645-3200
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  2. Protech HVAC LLC

    ActivePrivate motor carrier

    White Plains, MD

    Proof for Protech HVAC LLC
    USDOT registration
    FMCSA 7725967
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    White Plains, MD · serves Maryland
    Phone
    (301) 932-8560
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  3. Atkinson Heating AC & Refrigeration

    ActivePrivate motor carrier

    Laplata, MD · 5 mi away

    Proof for Atkinson Heating AC & Refrigeration
    USDOT registration
    FMCSA 2342526
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Laplata, MD · serves Maryland
    Phone
    (301) 392-3919
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  4. Potter Heating & Electric Inc

    ActivePrivate motor carrier

    Waldorf, MD · 5 mi away

    Proof for Potter Heating & Electric Inc
    USDOT registration
    FMCSA 1106260
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Waldorf, MD · serves Maryland
    Phone
    (301) 645-7071
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  5. Southern Marylnad Heating & Air Inc

    ActivePrivate motor carrier

    Waldorf, MD · 5 mi away

    Proof for Southern Marylnad Heating & Air Inc
    USDOT registration
    FMCSA 1348080
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Waldorf, MD · serves Maryland
    Phone
    (301) 645-6928
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  6. Mechanical Design Systems Inc

    ActivePrivate motor carrier

    Clinton, MD · 12 mi away

    Proof for Mechanical Design Systems Inc
    USDOT registration
    FMCSA 1192853
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Clinton, MD · serves Maryland
    Phone
    (301) 877-9600
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  7. Nintai Mechanical Services

    ActivePrivate motor carrier

    Clinton, MD · 12 mi away

    Proof for Nintai Mechanical Services
    USDOT registration
    FMCSA 4511290
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Clinton, MD · serves Maryland
    Phone
    (301) 456-6612
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  8. T F Nelson Plumbing & Heating Inc

    ActivePrivate motor carrier

    Hughesville, MD · 13 mi away

    Proof for T F Nelson Plumbing & Heating Inc
    USDOT registration
    FMCSA 1435071
    Issuer
    FMCSA
    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 → FMCSA record
  9. Tri-State Mechanical CO Inc

    ActivePrivate motor carrier

    Charlotte Hall, MD · 13 mi away

    Proof for Tri-State Mechanical CO Inc
    USDOT registration
    FMCSA 1820913
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Charlotte Hall, MD · serves Maryland
    Phone
    (301) 290-0944
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  10. Umbel's Mechanical LLC

    ActivePrivate motor carrier

    Brandywine, MD · 11 mi away

    Proof for Umbel's Mechanical LLC
    USDOT registration
    FMCSA 2785706
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Brandywine, MD · serves Maryland
    Phone
    (301) 616-5483
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  11. 3-D Plubing & Heating Inc

    ActivePrivate motor carrier

    Camp Springs, MD · 16 mi away

    Proof for 3-D Plubing & Heating Inc
    USDOT registration
    FMCSA 1310790
    Issuer
    FMCSA
    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 → FMCSA record
  12. All Mechanical & Plumbing LLC

    ActivePrivate motor carrier

    Mechanicsville, MD · 18 mi away

    Proof for All Mechanical & Plumbing LLC
    USDOT registration
    FMCSA 2206187
    Issuer
    FMCSA
    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 → FMCSA record
  13. B&N HVAC LLC

    ActivePrivate motor carrier

    Mechanicsvlle, MD · 18 mi away

    Proof for B&N HVAC LLC
    USDOT registration
    FMCSA 3430376
    Issuer
    FMCSA
    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 → FMCSA record
  14. C B Miller Mechanical Service Inc

    ActivePrivate motor carrier

    Nanjemoy, MD · 16 mi away

    Proof for C B Miller Mechanical Service Inc
    USDOT registration
    FMCSA 1060146
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Nanjemoy, MD · serves Maryland
    Phone
    (301) 743-5834
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  15. Cliff's Heating Air Conditioning Sheet Metal

    ActivePrivate motor carrier

    Mechanicsville, MD · 18 mi away

    Proof for Cliff's Heating Air Conditioning Sheet Metal
    USDOT registration
    FMCSA 1303860
    Issuer
    FMCSA
    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 → FMCSA record
  16. Gm Mechanical Inc

    ActivePrivate motor carrier

    Mechanicsville, MD · 18 mi away

    Proof for Gm Mechanical Inc
    USDOT registration
    FMCSA 1676311
    Issuer
    FMCSA
    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 → FMCSA record
  17. Gw Mechanical Contr Inc

    ActivePrivate motor carrier

    Upper Marlboro, MD · 18 mi away

    Proof for Gw Mechanical Contr Inc
    USDOT registration
    FMCSA 1268289
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Phone
    (301) 952-8126
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  18. Horizon Mechanical Services LLC

    ActivePrivate motor carrier

    Upper Marlboro, MD · 18 mi away

    Proof for Horizon Mechanical Services LLC
    USDOT registration
    FMCSA 2926690
    Issuer
    FMCSA
    Status
    Active
    Class
    Private motor carrier
    Checked
    Oct 23, 2026
    Where
    Upper Marlboro, MD · serves Maryland
    Phone
    (301) 669-6501
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → FMCSA record
  19. Hunt Plumbing Heating and Air Conditioning LLC

    ActivePrivate motor carrier

    Mechanicsvlle, MD · 18 mi away

    Proof for Hunt Plumbing Heating and Air Conditioning LLC
    USDOT registration
    FMCSA 2902733
    Issuer
    FMCSA
    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 → FMCSA record
  20. HVAC Mechanical Service

    ActivePrivate motor carrier

    Mechanicsville, MD · 18 mi away

    Proof for HVAC Mechanical Service
    USDOT registration
    FMCSA 1846906
    Issuer
    FMCSA
    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 → FMCSA record

More cities in Maryland

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

Checked facts from public license files · How ranking works