VEKTORCarrier Intelligence Packet
SFK LEASING INC
DBA CUSTOM TRUCK LEASING INC
USDOT 459268 · 4500 N CLIFF AVE, SIOUX FALLS, SD 57104-0553
100Clear to loadLow riskVektor risk score · 0–100
Generated August 4, 2026 from the live FMCSA / NHTSA record. Decision support — not an FMCSA safety rating or a recommendation to use or avoid any carrier. Verify authority & insurance before tendering.
Watch · 0
Nothing flagged.
In good standing · 2
- Established 35 years — Operating authority has been on file since 1991.
- Out-of-service rates below national average — Both vehicle and driver OOS rates beat the national benchmark across 29 inspections.
Identity & authority
- Operating status
- Active
- Common authority
- —
- Contract authority
- —
- Broker authority
- —
- Safety rating
- Not rated
- Authority age
- 34 yr
- Registered
- Sep 25, 1991
- Out-of-service
- No
- Phone
- (605) 332-5297
- ashlie.serbousek@nattinc.com
- Website
- nattinc.com
- Address
- 4500 N CLIFF AVE, SIOUX FALLS, SD 57104-0553
Fleet
- Power units
- 273
- Drivers
- 2
- Observed units
- 20
- Avg fleet age
- 5.1 yr
Insurance
- Auto-liability on file
- No
- BIPD limit
- —
- Cargo on file
- No
- Cargo limit
- —
- Bond on file
- No
- Lapses
- 0
Safety · trailing 24 months
- Vehicle OOS
- 0.0% (nat'l 22.26%)
- Driver OOS
- 0.0% (nat'l 6.67%)
- Inspections
- 14
- Crashes
- 0
- Fatal crashes
- 0
| CSA BASIC | Measure | Percentile | Source | Alert |
|---|---|---|---|---|
| Unsafe Driving | 0.07 | 1% | Vektor est. | — |
| Hours-of-Service | 0 | 0% | Vektor est. | — |
| Driver Fitness | 0 | 0% | Vektor est. | — |
| Controlled Substances | 0 | 0% | Vektor est. | — |
| Vehicle Maintenance | 0 | — | — | — |