Diamond Seven Construction
Operating legally, with 2 flags to weigh
Authority and insurance are in order. MCS-150 not updated in over 2 years: FMCSA requires a biennial update. No roadside inspections in 24 months: Too little history to judge on-road safety.
How we scored it · 5 factors
Composite of public FMCSA authority, insurance, inspection and crash records weighted against the national fleet. Decision support, not an official FMCSA safety rating.
Safety
FMCSA inspections & crashes · 24 mo · AS OF OCT 7, 2026No roadside inspections or reportable crashes in the last 24 months, and not rated by FMCSA.
Enforcement
FMCSA closed casesClosed enforcement cases — case numbers, violation codes and the amount settled — are available after you create a free account.
Equipment
Operations & cargo
Identity & federal record
FMCSA census · MCS-150- USDOT
- 1242048
- MC / docket
- MC-57002
- Legal name
- Diamond Seven Construction
- DBA
- —
- Entity type
- Carrier
- Operation
- Interstate
- First registered
- Apr 29, 2004
- Last MCS-150
- Jun 20, 2024
- Safety rating
- Not rated
- Drivers (CDL)
- 7 (7)
- Hazmat
- No
- Business type
- —
Fraud & network signals
For review, not a verdict.
Frequently asked
What is Diamond Seven Construction's USDOT number?
Diamond Seven Construction's USDOT number is 1242048 and its docket number is MC057002.
Is Diamond Seven Construction authorized to operate?
Yes. FMCSA shows active carrier operating authority.
What is Diamond Seven Construction's safety record?
No roadside inspections or reportable crashes in the last 24 months. Not rated by FMCSA.
How big is Diamond Seven Construction's fleet?
7 power units and 7 drivers per its MCS-150 filed Jun 20, 2024.
What insurance does Diamond Seven Construction carry?
$750,000 in BIPD liability coverage is on file with Western National Mutual Insurance Co..
Where is Diamond Seven Construction located?
Diamond Seven Construction is located at 28 Robinson Way, Lewistown, MT, 59457. Phone: (406) 366-3203.
Similar carriers in Montana
All Montana carriers →Source: FMCSA public records via the U.S. DOT Open Data Portal. Carrier Search presents the federal record and computed signals for decision support only. It is not an FMCSA safety rating and not a recommendation to use or avoid any carrier. Verify authority and insurance before tendering.