WASTE CONNECTIONS OF WYOMING INC
USDOT 789403 · Doing business as KEIFFER SANITATION
Active, intrastate (non-hazmat) carrier, mid-size fleet (41 power units) — no FMCSA safety rating on record (common).
Vetting summary
At a glance
- Out-of-service rate100% vs 19.1% national avg
These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.
Registration
Carrier identity
| USDOT Number | 789403 |
|---|---|
| MC Number | — |
| Legal Name | WASTE CONNECTIONS OF WYOMING INC |
| DBA Name | KEIFFER SANITATION |
| Entity Type | CORPORATION |
| Phone | 3072661161 |
| Address | 3040 N 6 MILE RD, Casper, WY, 82604 |
Status
Authority & safety
| Operating Status | Active |
|---|---|
| Operation Type | Intrastate (Non-Hazmat) |
| Safety Rating | None on record — most carriers have not received a formal FMCSA safety rating. |
| Hazmat Flag | false |
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.
Safety events
Inspections & crashes (last 24 months)
| Inspections | 1 |
|---|---|
| Out-of-Service Rate | 100% vs 19.1% national average |
Most frequent violation categories: 23 (3), 51 (2), 12 (1).
Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.
Equipment
Fleet & operations
| Power Units (trucks) | 41 |
|---|---|
| Drivers | 25 |
| Recent Annual Mileage | 580,000 |
| Last MCS-150 Filing | 28-JAN-26 |
WASTE CONNECTIONS OF WYOMING INC operates 41 power units — a larger fleet than 99% of carriers registered in WY.
Nearby
Other carriers in Casper, WY
- FIRST ENERGY SERVICES COMPANY — USDOT 1032963, 230 power units
- KEY ROCKY MOUNTAIN INC — USDOT 771085, 163 power units
- COMPRESSION LEASING SERVICES INC — USDOT 1026626, 55 power units
- MARMC TRANSPORTATION INC — USDOT 921521, 40 power units
- WYOMING RENTS LLC — USDOT 843542, 32 power units
Browse all carriers in Casper, WY or all WY carriers.