MC MATERIALS LLC
dba 1 RIVER ROCK 2 STEWART MORRISON 3 VAUGHN 4 OZARK CO 5 THAYER 6 SALEM 7 ALL THESE ARE REDI MIX 8 SPRING CREEK MATERAILS
WEST PLAINS, MO
06/01/1974
68
Power Units
42
Drivers
Current
as of today
Active · 68 power units · 42 drivers · West Plains, MO
2026
Oct 2026
Email changed
admin@smredimix.com → dustin@mcmaterialsllc.com
Oct 14, 2026
MCS-150 biennial update filed
Reported mileage: 860,000 (2025)
Reported power units: 80 → 68
Reported drivers: 49 → 42
Reported trailers: 25 → 24
Aug 2026
DBA changed
1 RIVER ROCK 2 STEWART MORRISON 3 VAUGHN 4 OZARK CO 5 THAYER 6 SALEM 7 ALL THESE ARE REDI MIX 8 SPRING CREEK MATERIALS → 1 RIVER ROCK 2 STEWART MORRISON 3 VAUGHN 4 OZARK CO 5 THAYER 6 SALEM 7 ALL THESE ARE REDI MIX 8 SPRING CREEK MATERAILS
2025
Dec 2025
Officer change
MICHAEL CURTIS → MICHAEL CURTIS, DUSTIN HUFFMAN
Dec 23, 2025
MCS-150 biennial update filed
Reported mileage: 804,000 (2024)
Reported power units: 80
Reported drivers: 49
Reported trailers: 25
Oct 14, 2025
MCS-150 biennial update filed
Reported mileage: 803,812 (2024)
Reported power units: 76 → 80
Reported drivers: 48 → 49
Reported trailers: 25
2024
Apr 17, 2024
MCS-150 biennial update filed
Reported mileage: 784,687 (2024)
Reported power units: 78 → 76
Reported drivers: 45 → 48
Reported trailers: 25
2023
Mar 2023
DBA changed
STEWART MORRISON REDI MIX → 1 RIVER ROCK 2 STEWART MORRISON 3 VAUGHN 4 OZARK CO 5 THAYER 6 SALEM 7 ALL THESE ARE REDI MIX 8 SPRING CREEK MATERIALS
2022
May 25, 2022
MCS-150 biennial update filed
Reported mileage: 311,000 (2021)
Reported power units: 62 → 78
Reported drivers: 45
2021
Sep 2021
Legal name changed
STEWART-MORRISON REDI-MIX INC → MC MATERIALS LLC
Jun 30, 2021
MCS-150 biennial update filed
Reported mileage: 300,000 (2020)
Reported power units: 62
Reported drivers: 45
2020
Mar 6, 2020
MCS-150 biennial update filed
Reported mileage: 300,000 (2019)
Reported power units: 62
Reported drivers: 45
2002
Mar 25, 2002
Safety rating: Satisfactory
2000
Apr 26, 2000
Insurance cancelled with Secura Insurance, a Mutual Co.
Form 91X, $1,000,000 coverage
1998
Apr 17, 1998
Insurance cancelled with Travelers Indemnity Company
Form 91X, $1,000,000 coverage
Feb 13, 1998
Insurance filed with Secura Insurance, a Mutual Co.
Form 91X, $1,000,000 coverage
1996
Feb 13, 1996
Insurance filed with Travelers Indemnity Company
Form 91X, $1,000,000 coverage
FMCSA electronic records for this carrier begin before June 1974; the carrier may be older.