INSULATION & REFRACTORIES SERVICES INC

USDOT 8421

Active

Active, interstate carrier, small fleet (5 power units) — safety rating: satisfactory.

USDOT8421
MC Number—
Fleet5 power units
Drivers9
Phone9015224300
LocationMemphis, TN

Registration

Carrier identity

USDOT Number8421
MC Number—
Legal NameINSULATION & REFRACTORIES SERVICES INC
DBA Name—
Entity TypeCORPORATION
Phone9015224300
Address462 DECATUR ST, Memphis, TN, 38105

Status

Authority & safety

Operating StatusActive
Operation TypeInterstate
Safety RatingS — Satisfactory (rated 19931203)
Hazmat Flagfalse

Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.

Our scoring

Safety scores

Unsafe Driving
0 / 100
Hours-of-Service Compliance
0 / 100
Driver Fitness
0 / 100
Controlled Substances & Alcohol
0 / 100
Vehicle Maintenance
0 / 100

Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.

Equipment

Fleet & operations

Power Units (trucks)5
Drivers9
Recent Annual Mileage33,000
Last MCS-150 Filing20-MAR-26

INSULATION & REFRACTORIES SERVICES INC operates 5 power units — a larger fleet than 88% of carriers registered in TN.

Nearby

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