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Truck Graph
30/100
✗ Do Not Tender
No active for-hire authority. Cannot legally haul freight for hire.
Schaaf Window Co
DOT 1759074 · Tinley Park, IL
Report generated: June 5, 2026 at 7:30 AM
✗Authorized for hire?
✗Active insurance?
✗Safety record clean?
✓No fraud flags?
✓No prior revocations?
Carrier Summary

Schaaf Window Co (DOT 1759074) is a Illinois-based interstate carrier headquartered in Tinley Park, IL. As of June 5, 2026 at 7:30 AM, operating authority is active but without for-hire authority. TruckGraph has detected 3 risk signals on this carrier, including: recordable crash on file; unsafe driving violation on record. TruckGraph rates this carrier "Do Not Tender" based on FMCSA compliance data, inspection history, insurance status, and network connection analysis. Last synced: June 5, 2026 at 7:30 AM.

FMCSA Public Record
Schaaf Window Co
DOT Number1759074
MC Number—
Street18445 THOMPSON CT
City / StateTinley Park, IL 60477
Phone7083420900
Operation typeInterstate
HazmatNot authorized
Authority age18 yr 2 mo
MCS-150 filed04/29/2025
Company officerJohn D Dieck
Power units6
Total drivers4
Authority Status
Common (for-hire)—
Contract (for-hire)—
Broker—
TruckGraph Intelligence
Risk Signals
●Recordable crash on file
●Unsafe driving violation on record
●No active insurance filing on record
✓ OFAC Sanctions: Clear
Connection Chain
DOT nullShared insurer
Revoked
OOS rate 25.0% vs. national avg 22.26% — above average
Network Intelligence Map
Carriers sharing an officer, address, or phone with Schaaf Window Co
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Power Units
6
Fleet
Drivers
4
Total
Inspections
4
On record
Crashes
1
On record
OOS Rate
25.0%
↑ Avg 22.26%
Authority Age
18 yr 2 mo
Since 2008
Violation Categories — Last 24 Months
Hours of Service
4 insp (100%)
Unsafe Driving
4 insp (100%)· 1 viol
Driver Fitness
4 insp (100%)
Vehicle Maintenance
4 insp (100%)· 1 viol
Controlled Substances
4 insp (100%)
Inspection History
4 total · OOS rate 25.0%
DateStateLevelDriver OOSVehicle OOSResult
11/21/2025ILI00Pass
4/10/2025ILI00Pass
2/7/2025MII00Pass
9/4/2024WII10OOS
Crash History
1 total on record
DateStateFatalitiesInjuriesTow-away
—IL00Y
Insurance Status
⚠ No active insurance filing on record
Verify insurance directly with carrier before tendering any load.
Location
18445 THOMPSON CT, Tinley Park, IL, 60477 · Open in Maps →
18445 THOMPSON CT, TINLEY PARK, IL, 60477Open in Maps →
Authority Timeline
Authority GrantedApr 2008
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: .

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Frequently Asked Questions

Is Schaaf Window Co authorized to operate?

Schaaf Window Co'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 Schaaf Window Co's safety record?

Schaaf Window Co has 4 roadside inspections on record with an out-of-service rate of 25.0%. Crash history shows 1 incidents. Review the full safety profile above before making a freight decision.

How many trucks does Schaaf Window Co operate?

Schaaf Window Co operates 6 power units with approximately 4 drivers.

Is Schaaf Window Co insured?

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

Has Schaaf Window Co had any risk indicators?

Schaaf Window Co has a risk score of 30/100 (Caution) with 3 active risk signals. Review the risk section above and verify independently before tendering.

What is the DOT number for Schaaf Window Co?

Schaaf Window Co's DOT number is 1759074. These identifiers are assigned by the FMCSA and can be used to look up this carrier in official compliance databases.

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For journalists and researchers

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

APA
Truck Graph. (2026). Schaaf Window Co Safety Record, DOT 1759074. Retrieved from https://truckgraph.com/carriers/1759074
MLA
"Schaaf Window Co Safety Record, DOT 1759074." Truck Graph, Jun 5, 2026, https://truckgraph.com/carriers/1759074
Chicago
"Schaaf Window Co Safety Record, DOT 1759074." Truck Graph. Last modified June 5, 2026. https://truckgraph.com/carriers/1759074