Back to company profile
M-I DRILLING FLUIDS LLC Logo
M-I DRILLING FLUIDS LLC
dba M-I SWACO
HOUSTON, TX 04/07/1988 32 years, 3 months
DOT 312736
MC 271174
MOTUS
Carrier, Shipper
Interstate
37 Power Units
25 Drivers
Current as of today
Active · 37 power units · 25 drivers · Houston, TX
2026
~Jun 2026
Fleet grew 29 → 37 power units
~Jun 2026
Legal name changed
M-I LLC → M-I DRILLING FLUIDS LLC
~Jun 2026
Fleet reduced 37 → 29 power units
2025
~Aug 2025
Phone changed
(281) 561-1300 → (281) 285-8506
Jun 19, 2025
MCS-150 biennial update filed
Reported mileage: 404,424 (2024) Reported power units: 64 → 37 Reported drivers: 46 → 25 Reported trailers: 20
2023
May 25, 2023
MCS-150 biennial update filed
Reported mileage: 566,371 (2022) Reported power units: 53 → 64 Reported drivers: 40 → 46
2022
Aug 24, 2022
MCS-150 biennial update filed
Reported mileage: 235,000 (2021) Reported power units: 54 → 53 Reported drivers: 62 → 40
2021
~Jul 2021
Phone changed
(281) 285-8500 → (281) 561-1300
Jun 9, 2021
MCS-150 biennial update filed
Reported mileage: 649,420 (2020) Reported power units: 71 → 54 Reported drivers: 63 → 62
2020
Oct 7, 2020
MCS-150 biennial update filed
Reported mileage: 840,797 (2018) Reported power units: 71 Reported drivers: 63
2018
Jul 20, 2018
Insurance cancelled with National Union Fire Ins. Co. of Pitsbgh. Pa
Form 91
Jul 13, 2018
Discontinued revocation
Contract authority (MC271174)
Jul 1, 2018
Insurance cancelled with National Union Fire Ins. Co. of Pitsbgh. Pa
Form 91
Jun 25, 2018
Involuntary revocation
Contract authority (MC271174)
2004
Jan 12, 2004
Safety rating: Satisfactory
1997
Jul 8, 1997
Discontinued revocation
Contract authority (MC271174)
Jun 5, 1997
Involuntary revocation
Contract authority (MC271174)
May 30, 1997 Motus
Motor carrier of property (except household goods) authority active
Reason: Granted
May 30, 1997
Granted
Motor property contract carrier authority (MC271174)
May 30, 1997
Transferred
Motor property contract carrier authority (MC271174)
May 9, 1997
Insurance filed with National Union Fire Ins. Co. of Pitsbgh. Pa (2 policies)
Form 91
May 9, 1997
Insurance cancelled with Northland Insurance Company
Form 91X, $1,000,000 coverage
1995
Jan 10, 1995
Insurance cancelled with Northland Insurance Company
Form 91X, $1,000,000 coverage
Jan 10, 1995
Insurance filed with Northland Insurance Company
Form 91X, $1,000,000 coverage
1994
Oct 25, 1994
Discontinued revocation
Contract authority (MC271174)
Oct 1, 1994
Involuntary revocation
Contract authority (MC271174)
Sep 30, 1994
Insurance filed with Northland Insurance Company
Form 91X, $1,000,000 coverage
Apr 1, 1994
Granted
Motor property contract carrier authority (MC271174)
1988
Apr 7, 1988
DOT registered
Company registered with the FMCSA.