SIOUX FALLS TOWER SPECIALISTS INC
USDOT 377080 · Sioux Falls, SD
Quick answers
- Is SIOUX FALLS TOWER SPECIALISTS INC (USDOT 377080) allowed to operate?
- Yes. As of July 20, 2026, FMCSA's live record shows SIOUX FALLS TOWER SPECIALISTS INC (USDOT 377080) is allowed to operate.
- What is SIOUX FALLS TOWER SPECIALISTS INC's FMCSA safety rating?
- SIOUX FALLS TOWER SPECIALISTS INC holds a Satisfactory FMCSA safety rating (rated July 6, 2004). This is FMCSA's official rating — one of Satisfactory, Conditional, or Unsatisfactory.
- What is SIOUX FALLS TOWER SPECIALISTS INC's USDOT number?
- SIOUX FALLS TOWER SPECIALISTS INC is registered under USDOT 377080, based in Sioux Falls, SD. FMCSA classifies it as a private (not-for-hire) carrier.
- How large is SIOUX FALLS TOWER SPECIALISTS INC's fleet?
- SIOUX FALLS TOWER SPECIALISTS INC reports 99 power units and 159 drivers in its FMCSA record in Sioux Falls, SD.
Answers reflect the public FMCSA record as of July 20, 2026; figures can change at any time.
Operating snapshot
Public FMCSA census & inspection records · as of 2026-06-06
Sioux Falls Tower Specialists Inc, operating as VIKOR, is a private property carrier based in Sioux Falls, South Dakota, registered since 1990. The carrier operates 99 power units and 159 drivers, with 2,911,411 annual miles logged in 2023. Vehicle out-of-service inspections occurred at 31.6%, above the snapshot benchmark of 21.2%, while driver out-of-service rates were 10.3% versus the snapshot benchmark of 5.2%. HaulReport-estimated percentiles across controlled substances (8.1), hours-of-service compliance (19.1), and vehicle maintenance (32.4) are all in the low band, an independent estimate, not an official FMCSA or CSA score.
HaulReport interpretation — automatically generated from the public FMCSA data below and our percentile estimates, and checked against those source figures.
Estimated BASIC percentiles
Out-of-service rates
Out-of-service rate = inspections resulting in an out-of-service order ÷ inspections. The benchmark is the inspection-weighted rate across this FMCSA snapshot — not an official national average. Rates are shown only with at least 5 inspections.
MCS-150 biennial update
Due October 2026FMCSA sets each carrier's biennial update month from the last two digits of the USDOT number (last digit → month, second-to-last digit → odd/even year) — it is required even when nothing has changed. This is a schedule derived from the public rule, not a compliance determination. Verify and file on FMCSA · Deadline calculator
Live FMCSA status
Allowed to operateSafety
- Rating: Satisfactory (as of July 6, 2004)
- Driver out-of-service rate: 10.0%
- Vehicle out-of-service rate: 35.0%
- Hazmat out-of-service rate: 80.0%
Live read from FMCSA's QCMobile system on July 20, 2026. Insurance figures are FMCSA "on file" amounts, not confirmation of current coverage; values can change at any time. FMCSA QCMobile
Carrier facts (public FMCSA data)
| USDOT number | 377080 |
|---|---|
| Legal name | SIOUX FALLS TOWER SPECIALISTS INC |
| Doing business as | VIKOR |
| Location | SIOUX FALLS, SD |
| Operating classification | Not for-hire (per FMCSA census) |
| Power units (fleet size) | 99 |
| Drivers | 159 |
| Reported annual mileage | 2,911,411 (reported for 2023) |
| FMCSA registered | 1990 (~36 years) |
| Last MCS-150 update | July 10, 2024 |
| Next MCS-150 update due | October 2026 |
| Inspections (trailing 24 mo) | 29 |
| Published BASIC measures | 3 |
State reference data: Truck-crash statistics for South Dakota — state-wide totals for all carriers registered in South Dakota, not specific to this carrier.