Truck Graph
0/100
✗ Not for Hire
This carrier holds no for-hire operating authority. Private carriers are not authorized to haul freight for hire. Do not tender.
DOT 1720551✓ Last checked just now
Verify on FMCSA →
Vetting2 failed11 passedNo for-hire authority · No insurance filing
Risk Signals Detected
Private carrier — no for-hire authority. Not authorized to haul freight for hire.
Informational
No active insurance filing — verify directly with carrier
Not a legal finding — always perform independent due diligence before tendering a load.✓ Updated just now
DOT 1720551Grenville, SD

Michael Block

DBA: Block'S Dairy

Private Carrier · Not For HireIntrastateGrenville, SD 57239

Michael Block has a fleet of 3 power units and 3 drivers. It does not hold for-hire operating authority and may operate as a private carrier. No roadside inspection history is on record.

Identity
Legal nameMichael Block
DBABlock'S Dairy
DOT #1720551
MC #—
CityGrenville
StateSouth Dakota
ZIP57239
Authority age18 yr 5 mo
StatusActive (No Auth)
Common authority—
Contract authority—
Broker authorityNot authorized
OperationIntrastate
HazmatNot authorized
MCS-150 filed10/11/2012
Company officerBeverly Block
FMCSA SAFER →FMCSA Safety Scores (SMS) →
Fleet
3
Power units
Drivers
3
Total
Inspections
0
On record
Crashes
0
None on record
OOS Rate
—
No inspections
Authority Age
18 yr 5 mo
Since 2007

Source: FMCSA compliance records, Truck Graph analysis. View methodology

Business Connections
Who else shares an officer, address, or phone number with this carrier
View full network →
Associated entities1 revoked in network
⚠ 1 revoked in network
ConnectedRevoked

Location

44254 132ND STREET, Grenville, SD, 57239

44254 132ND STREET, GRENVILLE, SD, 57239Open in Maps →

Inspection history

0 inspections on record · 5 most recent shown · OOS rate: N/A

No inspection records found.

Source: FMCSA inspection records. View methodology

Crash history

0 crashes on record · Showing last 3

No crash records found.

Source: FMCSA crash records. View methodology

Insurance status

Current insurance filing on record with FMCSA.

⚠
No active insurance filing on record
Verify insurance directly with carrier before tendering any load.

Source: FMCSA insurance filings. View methodology

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Heyl Truck Lines INC
85 Critical
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525 trucks · DOT 65762
Agtegra Cooperative
85 Critical
Aberdeen, SD
398 trucks · DOT 66197
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Authority timeline

Key events in this carrier's operating authority history.

Authority GrantedDec 2007
FMCSA issued operating authority
ActiveCurrent
Authority currently active

Source: FMCSA authority records and revocation orders. View methodology

Verify independently

Before tendering, confirm authority and safety using official sources.

FMCSA SAFER System →
Official DOT safety record, authority status, inspections
Google Search →
News, reviews, and web presence
South Dakota Secretary of State →
Business registration and corporate filings
Better Business Bureau →
Complaints, ratings, and accreditation status
LinkedIn →
Company employees, leadership, and network
PACER (Federal Courts) →
Federal litigation, bankruptcy filings

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Michael Block is based in Grenville, SD, which is part of the larger South Dakota trucking market. Browse the full national carrier directory to compare across all 50 states.

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Frequently asked

Michael Block

Answers from verified compliance records.

Is Michael Block authorized to operate?

Michael Block'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 Michael Block's safety record?

Michael Block does not have a substantial inspection history on record. This may indicate limited interstate operations.

How many trucks does Michael Block operate?

Michael Block operates 3 power units with approximately 3 drivers.

Is Michael Block insured?

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

Has Michael Block had any risk indicators?

No risk indicators have been detected for Michael Block as of the most recent data sync.

What is the DOT number for Michael Block?

Michael Block's DOT number is 1720551. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

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). Michael Block Safety Record, DOT 1720551. Retrieved from https://truckgraph.com/carriers/1720551
MLA
"Michael Block Safety Record, DOT 1720551." Truck Graph, May 31, 2026, https://truckgraph.com/carriers/1720551
Chicago
"Michael Block Safety Record, DOT 1720551." Truck Graph. Last modified May 31, 2026. https://truckgraph.com/carriers/1720551
Data sourced from FMCSA public records. Last updated: Methodology →