Carrier profile · USDOT 3578127 · Updated Sep 6, 2026
Longleaf Environmental Services LLC
9 power unitsavg 14.5 yrLocal · 1 statesELK CITY, OK50/100
AUTHORITY STATUS UNKNOWNHAZMAT
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 2108 W 20TH ST, ELK CITY, OK, 73644-9206
- Mailing address
- 5847 SAN FELIPE STE 400, HOUSTON, TX, 77057
- Operation
- Interstate· Hazmat
Contact
- Phone
- (918) 269-9910
- Web domain
- encinoenergy.com
Registration
- Officers
- Schuyler Tilney · Mike Lee Londagin
- USDOT / docket
- 3578127
- First registered
- Feb 28, 2021
- Last MCS-150
- Jul 30, 2024 · 122,000 mi (2023)
- FMCSA safety rating
- Not rated
- Recordable crash rate
- 0.00
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.