US · FMCSA ACTIVE
SOUTHERN PETROLEUM LABORATORIES INC
dba SPL
Casper, WY 82601 · DOT 240804
Company profile
Web-discovered · as of 2026-07-30
SPL (Southern Petroleum Laboratories) is a national provider of energy laboratory services, environmental testing, and field measurement solutions. Their fleet supports specialized field measurement services, conducting testing for upstream and midstream energy sectors.
Fleet use
Private fleet
Operating scope
National
Equipment
specialized
Ownership
Private
Employees
501-1000
HQ · The Woodlands, TX (Operations in Casper, WY)
Active USDOT 240804 record; website lists multiple laboratory and field service locations across the US.
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
37
power units · corroborated
Activity
road freight carrier
private licence
In operation since
1983
39 drivers
US compliance
Source FMCSA L&I / SAFER · as of 2026-07-12
Operating authority
None / private
Insurance on file
No
Out of service
No
Safety rating
UNRATED
Crashes (24 mo)
1
Data Services
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