🚀Major update: Network Intelligence is live — carrier detail pages, vetting reports, and graph exploration.See what's new →
Truck Graph
20/100
✗ Do Not Tender
No active for-hire authority. Cannot legally haul freight for hire.
Rock Solid Materials INC
DOT 4578373 · MC MC1822101 · Genoa City, WI
Report generated: June 2, 2026 at 7:30 AM
✗Authorized for hire?
✗Active insurance?
✓Safety record clean?
✓No fraud flags?
✓No prior revocations?
Carrier Summary

Rock Solid Materials INC (DOT 4578373, MC MC1822101) is a Wisconsin-based interstate carrier headquartered in Genoa City, WI. As of June 2, 2026 at 7:30 AM, operating authority is active but without for-hire authority. TruckGraph has detected 2 risk signals on this carrier, including: no active insurance filing on record; new authority — under 6 months old. TruckGraph rates this carrier "Do Not Tender" based on FMCSA compliance data, inspection history, insurance status, and network connection analysis. Last synced: June 2, 2026 at 7:30 AM.

FMCSA Public Record
Rock Solid Materials INC
DOT Number4578373
MC NumberMC1822101
Street1001 WILLIAMS RD
City / StateGenoa City, WI 53128
Phone2622404100
Operation typeInterstate
HazmatNot authorized
Authority age< 1 mo
MCS-150 filed05/05/2026
Company officerMichael Todd Cohn
Power units29
Total drivers58
Authority Status
Common (for-hire)Not authorized
Contract (for-hire)Not authorized
BrokerNot authorized
TruckGraph Intelligence
Risk Signals
●No active insurance filing on record
●New authority — under 6 months old
✓ OFAC Sanctions: Clear
Connection Chain
DOT nullShared insurer
Revoked
Network Intelligence Map
Carriers sharing an officer, address, or phone with Rock Solid Materials INC
View full network →
Power Units
29
Fleet
Drivers
58
Total
Inspections
0
On record
Crashes
0
On record
OOS Rate
—
↓ Avg 22.26%
Authority Age
< 1 mo
Since 2026
Inspection History
0 total · No inspections

No inspection records on file.

Crash History
0 total on record

No crash records on file.

Insurance Status
⚠ No active insurance filing on record
Verify insurance directly with carrier before tendering any load.
Location
1001 WILLIAMS RD, Genoa City, WI, 53128 · Open in Maps →
1001 WILLIAMS RD, GENOA CITY, WI, 53128Open in Maps →
Authority Timeline
Authority GrantedMay 2026
FMCSA issued operating authority
Active USDOT — No for-hire authorityCurrent
USDOT record is active but no for-hire operating authority is currently granted

Source: FMCSA compliance records, inspection data, crash records, insurance filings, and TruckGraph analysis. View methodology

Important Legal Notice

Data sourced from FMCSA public records and TruckGraph independent analysis. This is not legal advice, not a guarantee of carrier safety, and not a compliance certification. Verify through official FMCSA sources before tendering. Last synced: .

Verify Independently
Related Carriers in Wisconsin
Community Reviews

No reviews yet — be the first to share your experience with this carrier.

Write a review for Rock Solid Materials INC
0/2000

Reviews are moderated before publication. We do not publish email addresses.

Frequently Asked Questions

Is Rock Solid Materials INC authorized to operate?

Rock Solid Materials INC's USDOT number is active but it does not hold operating authority for for-hire interstate operations. It may operate as a private carrier. Verify status before tendering.

What is Rock Solid Materials INC's safety record?

Rock Solid Materials INC does not have a substantial inspection history on record. This may indicate limited interstate operations.

How many trucks does Rock Solid Materials INC operate?

Rock Solid Materials INC operates 29 power units with approximately 58 drivers.

Is Rock Solid Materials INC insured?

Insurance filing details are not available in the current dataset. Verify directly with the carrier before tendering.

Has Rock Solid Materials INC had any risk indicators?

Rock Solid Materials INC has a risk score of 20/100 (Caution) with 2 active risk signals. Review the risk section above and verify independently before tendering.

What is the DOT number for Rock Solid Materials INC?

Rock Solid Materials INC's DOT number is 4578373 and MC number is MC1822101. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

Explore Carriers Like Rock Solid Materials INC
Cite this page

For journalists and researchers

Truck Graph data is open and citable. For press inquiries, contact our editorial team.

APA
Truck Graph. (2026). Rock Solid Materials INC Safety Record, DOT 4578373. Retrieved from https://truckgraph.com/carriers/4578373
MLA
"Rock Solid Materials INC Safety Record, DOT 4578373." Truck Graph, Jun 2, 2026, https://truckgraph.com/carriers/4578373
Chicago
"Rock Solid Materials INC Safety Record, DOT 4578373." Truck Graph. Last modified June 2, 2026. https://truckgraph.com/carriers/4578373