Carrier profile · USDOT 312736 · MC-271174 · Updated Jul 18, 2026
M-I DRILLING FLUIDS LLC
DBA M-I SWACO
29 power unitsavg 10.7 yrRegional · 4 statesHOUSTON, TX100/100
CARRIER ACTIVEMC-271174 ACTIVERATED SATISFACTORYHAZMAT
Network & Fraud
Reincarnation chains, shared-VIN links, common domains and officers, and owner-group affiliations — the chameleon / double-broker signals that name-and-USDOT lookups miss.
Shares a registration email domain with other carriers
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)2929
Observed (24 mo)99
Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.
Owner / group view· confidence: email domain
Owner / group view
Affiliated authorities
Collapses 15 related authorities · joined by email domain
- Authorities
- 15
- Combined power
- 3,439
- States
- 4
- Oldest authority
- Apr 29, 1982
- Active now
- 8
- M-I DRILLING FLUIDS LLC· viewingUSDOT 31273629PU
- ONESTIM LLCUSDOT 30236512,496PU
- CHAMPIONX LLCUSDOT 3392403500PU
- CAMCO INTERNATIONAL INCUSDOT 211701224PU
- WATERS AND WATERS SERVICES INCUSDOT 66259363PU
- PRODUCT & LOGISTICS SERVICES LLCUSDOT 152864852PU
- CAMERONUSDOT 105910133PU
- WIRELINE CONTROL SYSTEMUSDOT 69251820PU
- CAMERON INTERNATIONAL CORPORATIONUSDOT 9896289PU
- SMITH INTERNATIONAL INCUSDOT 3403036PU
- JUAN R CERVANTES JRUSDOT 32414982PU
- BRANT HALLUSDOT 25441262PU
- UPWIND FREIGHT & CARGO CORPUSDOT 39530171PU
- GILBERTO A RUBIOUSDOT 21559061PU
- WESTERNGECO LLCUSDOT 9395081PU