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
Authority & Insurance
Active operating authority by type and the full insurance continuity timeline — insurer, policy, coverage, and any lapses — so you can confirm they can legally and adequately haul your load today.
Operating authority· 49 CFR · per type
Operating authority
- Common
- None
- Contract
- Active
- Broker
- None
Insurance & bonds
BIPD / liability$750,000 in force
Cargo filing (census)Not recorded per census
Surety bond (census)Not recorded per census
Insurance adequacy· filed BIPD vs the $750K federal floor
$750K in forcegeneral-freight federal minimum
$750K floor
Insurance continuity· insurer · policy · lapses
$750K BIPD last filed ’18 · 2 insurers · 0 lapsesContinuous
National Union’97–’18
beyond this history1994200220102018now
Shorter eras are too brief to label at this scale — all 2 insurers are named in the list below.
BIPD in force — $750,000 · TRAVELERS PROPERTY CASUALTY CO. OF AMERICA · since Jul 2018
All 2 insurer eras · dates, limits, renewals
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| NATIONAL UNION FIRE INS. CO. OF PITSBGH. PA | May 1997 → Jul 2018 | $750K | 2 |
| NORTHLAND INSURANCE COMPANY | Sep 1994 → May 1997 | $750K | 2 |