SOUTHLAND INSULATORS OF MD
AUTHORIZEDDBA: DEVERE INSULATION CO HARFORD INSULATION CO
USDOT
518180
MC Number
N/A
Fleet Size
52
Total Drivers
56
Last updated: March 16, 2026
Broker verification report
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Safety overview
SOUTHLAND INSULATORS OF MD is a mid-size interstate motor carrier based in BALTIMORE, Maryland, operating 52 power units with 56 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 10.6% runs above the national average of 5.51%. They have 1 crash on file (1 with injuries). FMCSA records show 94 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 13.2% and the average vehicle OOS rate is 25.4% across 42,394 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
94
Total
51%
Driver %
Insurance on file
No insurance records on file with FMCSA.
Crash history
1
Total Crashes
Similar carriers in Maryland
Other carriers in the same state with a similar fleet size.
DAY AND SONS INC
BIG BOY TRANSPORTATION LLC
COUGHLIN INC
MARPLE TRUCKING INC
EASTERN EXCAVATING AND GRADING CORPORATION
Frequently asked questions
Is SOUTHLAND INSULATORS OF MD authorized to operate?
Yes. SOUTHLAND INSULATORS OF MD (USDOT #518180) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is SOUTHLAND INSULATORS OF MD's safety record?
SOUTHLAND INSULATORS OF MD has 94 inspections on file and 1 crash 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 SOUTHLAND INSULATORS OF MD operate?
SOUTHLAND INSULATORS OF MD operates 52 power units with 56 drivers on file. That puts them in the mid-size range.
Does SOUTHLAND INSULATORS OF MD transport hazardous materials?
No. SOUTHLAND INSULATORS OF MD does not have a hazardous materials flag in the FMCSA database.
Where is SOUTHLAND INSULATORS OF MD located?
SOUTHLAND INSULATORS OF MD is based in BALTIMORE, Maryland at 7501 RESOURCE COURT, 21226. Phone: (410) 766-7408.
What are SOUTHLAND INSULATORS OF MD's out-of-service rates?
SOUTHLAND INSULATORS OF MD's driver out-of-service rate is 10.6%, 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 7.9% (national average: 20.72%). Below average, suggesting the fleet is well-maintained.