Company snapshot
- Legal name
- Ernest C Anderson Gravel & Ready Mix INC
- DBA
- Rock Ridge Resources
- USDOT number
- 385064
- MC docket
- MC1505337
- Physical address
- 28741 County Highway 26, Detroit Lakes, MN, 56501
- Phone
- (218) 847-4614
- Power units
- 16
- Drivers
- 5
- Operation
- Interstate
- Operating radius
- Interstate <100 mi
- Cargo
- Other
- Last MCS-150 filing
- Feb 6, 2026
Operating authority
- Common authority
- Active
- Contract authority
- Not held
- Broker authority
- Not held
- Authority granted
- Mar 12, 1990
- MCSIP step
- 0
Insurance on file
- Insurer (writing paper)
- Emcasco Insurance Company
- Filing form
- BMC-91X
- Coverage amount
- $750,000
- BI/PD on file
- $750,000
Safety record
- FMCSA safety rating
- Satisfactory
- Roadside inspections (24 mo)
- 3
- Out-of-service inspections
- 0
- Inspections with violations
- 1
- BASICs in alert
- 0
Source: FMCSA census, Licensing & Insurance (L&I) and SMS publications, mirrored and refreshed daily. Record last synced Jul 30, 2026. Native Base is not affiliated with FMCSA; always confirm against the live federal record before binding.
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