SW
SUPERIOR WELDING SUPPLY CO
DOT 1830ActiveInterstateWATERLOO, IA
COMPANY
Authority since
—
MCS-150
2026-04-22 · 242,039 mi (2025)
Fleet
11 units · — trailers · 14 drivers
ADDRESS
Physical
900 COMMERCIAL ST
WATERLOO, IA 50702
WATERLOO, IA 50702
Mailing
P O BOX 690
WATERLOO, IA 50704-0690
WATERLOO, IA 50704-0690
CONTACT
Phone
3192369660
Email
stroupe@supweld.com
OFFICERS
Primary Officer
—
AUTHORITY
—
Active authority
INSURANCE
None
No coverage on file
RISK GRADE
Critical
1 risk factors · 1 strengths
OOS RATE
0.0%
0 / 3 inspections
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Critical Risk
1 risk factor · 1 strengths · 2 data pointsSAFETY PERFORMANCE
Crash Record
2 crashes · 1 fatal · 1 with injuries · 2 tow-away
Clean Inspection Rate
100% — 3 clean of 3 inspections
Out-of-Service Rate
0.0% — driver OOS 0, vehicle OOS 0
COMPLIANCE & AUTHORITY
Operating Authority
Active operating authority on file
Authority Events
No authority history events
MCS-150 Filing
Last filed 2026-04-22
INSURANCE
Active Coverage
No active insurance policies on file
SUMMARY
1 fatal crash
100% clean inspections