SOUTHERN MARYLNAD HEATING & AIR INC
AUTHORIZEDUSDOT
1348080
MC Number
N/A
Fleet Size
20
Total Drivers
70
FMCSA-derived snapshot updated: July 26, 2026. This is not a real-time record; verify critical authority, insurance and safety details directly with FMCSA.
Broker verification report
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Safety overview
SOUTHERN MARYLNAD HEATING & AIR INC is a mid-size interstate motor carrier based in WALDORF, Maryland, operating 20 power units with 70 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. Their driver out-of-service rate of 22.2% runs above the national average of 5.51%. No crashes on file. FMCSA records show 18 inspections for this carrier.
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BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in Maryland is 14.0% and the average vehicle OOS rate is 26.0% across 43,724 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Private (Property)
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
18
Total
50%
Driver %
Insurance on file
No insurance records on file with FMCSA.
Crash history
0
Total Crashes
Similar carriers in Maryland
Other carriers in the same state with a similar fleet size.
UPTOWN BAKE AND BREW
ARDENT COMPANY LLC
MURPHY'S FUEL & OIL CO
COVINGTON MACHINE & WELDING INC
ATLANTIC BIO FUELS LLC
Frequently asked questions
Is SOUTHERN MARYLNAD HEATING & AIR INC authorized to operate?
CarrierOwl's FMCSA-derived snapshot for SOUTHERN MARYLNAD HEATING & AIR INC (USDOT #1348080) shows "AUTHORIZED" status. The snapshot lists them as an interstate carrier. Verify the current official record with FMCSA before booking a load.
What is SOUTHERN MARYLNAD HEATING & AIR INC's safety record?
SOUTHERN MARYLNAD HEATING & AIR INC has 18 inspections on file and no crashes on record. They do not show a formal FMCSA safety rating in CarrierOwl's current data. CarrierOwl is validating BASIC percentile display against the official FMCSA SMS portal, so brokers should verify current BASIC percentiles directly with FMCSA before relying on them.
How many trucks does SOUTHERN MARYLNAD HEATING & AIR INC operate?
SOUTHERN MARYLNAD HEATING & AIR INC operates 20 power units with 70 drivers on file. That puts them in the mid-size range.
Does SOUTHERN MARYLNAD HEATING & AIR INC transport hazardous materials?
No. SOUTHERN MARYLNAD HEATING & AIR INC does not have a hazardous materials flag in the FMCSA database.
Where is SOUTHERN MARYLNAD HEATING & AIR INC located?
SOUTHERN MARYLNAD HEATING & AIR INC is based in WALDORF, Maryland at 17 IRONGATE DRIVE, 20602. Phone: (301) 645-6928.
What are SOUTHERN MARYLNAD HEATING & AIR INC's out-of-service rates?
SOUTHERN MARYLNAD HEATING & AIR INC's driver out-of-service rate is 22.2%, compared to the national average of 5.51%. Higher than average, which could point to driver compliance issues. Their vehicle out-of-service rate is 16.7% (national average: 20.72%). Below average, suggesting the fleet is well-maintained.