Knoll Brothers Enterprises Llc
Private PropertyAuthorized for HireExempt for HireCompany Details
- Entity Type
- Carrier
- Fleet Size
- 14 units
- Drivers
- 12 total
Contact Information
- Phone
- (515) 992-3888
- [email protected]
Operation Summary
- Operating Status
- Active
- Carrier Operation
- Intrastate Non-Hazmat
- Operation Classification
- Private Property, Authorized for Hire, Exempt for Hire
- Cargo Carried
- Building Materials, Grain/Feed, Construction
- Annual Mileage
- 345,000 miles (2024) as of Sep 26, 2025
Physical Address
28143 240TH STDALLAS CENTER, IA, 50063-8281
US
Mailing Address
PO BOX 160DALLAS CENTER, IA, 50063
US
Fleet Details
| Vehicle Types | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Truck Tractors | 2 | 0 | 0 |
| Trucks | 12 | 0 | 0 |
| Trailers | 8 | 0 | 0 |
Safety Violations
| Total | Severe | Out of Service | Measure | Percentile | |
|---|---|---|---|---|---|
| Vehicle Maintenance | 2 | 2 | 0 | 10 | 0.00% |
| Unsafe Driving | 6 | 2 | 0 | 2.2 | 0.00% |
| HOS Compliance | 0 | 0 | 0 | 0 | 0.00% |
| Driver Fitness | 1 | 0 | 0 | 0.36 | 0.00% |
| Controlled Substances | 0 | 0 | 0 | 0 | 0.00% |
Accident Reports
Results for 24 months prior to Mar 16, 2026
| Last 6 Months | 6-12 Months ago | 12-24 Months ago | Total | |
|---|---|---|---|---|
| Fatalities | 0 | 0 | 0 | 0 |
| Injuries | 0 | 0 | 0 | 0 |
| Tow-away | 0 | 0 | 0 | 0 |
| Crash Reports | 0 | 0 | 0 | 0 |
Inspections
Results for 24 months prior to Mar 16, 2026
| Driver | Vehicle | Hazmat | IEP | |
|---|---|---|---|---|
| Inspections | 8 | 2 | 0 | 0 |
| OOS Inspections | 1 | 2 | 0 | 0 |
| OOS Percentage | 12.50% | 100.00% | 0.00% | 0.00% |
| National Average as of Feb 17, 2026 | 6.67% | 22.26% | 4.44% | N/A |
Safety Rating
- Rating Date
- None
- Rating
- None
- Review Date
- None
- Type
- None
Company Details
- Entity Type
- Carrier
- Fleet Size
- 14 units
- Drivers
- 12 total
Physical Address
28143 240TH STDALLAS CENTER, IA, 50063-8281
US
Contact Information
- Phone
- (515) 992-3888
- [email protected]
Mailing Address
PO BOX 160DALLAS CENTER, IA, 50063
US
Operation Summary
- Operating Status
- Carrier Operation
- Operation Classification
- Cargo Carried
- Annual Mileage
- Active
The entity's USDOT number is active. - Intrastate Non-Hazmat
- Private Property, Authorized for Hire, Exempt for Hire
- Building Materials, Grain/Feed, Construction
- 345,000 miles (2024) as of Sep 26, 2025
Fleet Details
| Vehicle Types | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Truck Tractors | 2 | 0 | 0 |
| Trucks | 12 | 0 | 0 |
| Trailers | 8 | 0 | 0 |
Safety Violations
| Total | Severe | Out of Service | Measure | Percentile | |
|---|---|---|---|---|---|
| Vehicle Maintenance | 2 | 2 | 0 | 10 | 0.00% |
| Unsafe Driving | 6 | 2 | 0 | 2.2 | 0.00% |
| Hours of Service Compliance | 0 | 0 | 0 | 0 | 0.00% |
| Driver Fitness | 1 | 0 | 0 | 0.36 | 0.00% |
| Controlled Substances | 0 | 0 | 0 | 0 | 0.00% |
Accident Reports
Results for 24 months prior to Mar 16, 2026
| Last 6 Months | 6-12 Months ago | 12-24 Months ago | Total | |
|---|---|---|---|---|
| Fatalities | 0 | 0 | 0 | 0 |
| Injuries | 0 | 0 | 0 | 0 |
| Tow-away | 0 | 0 | 0 | 0 |
| Crash Reports | 0 | 0 | 0 | 0 |
Inspections
Results for 24 months prior to Mar 16, 2026
| Driver | Vehicle | Hazmat | IEP | |
|---|---|---|---|---|
| Inspections | 8 | 2 | 0 | 0 |
| OOS Inspections | 1 | 2 | 0 | 0 |
| OOS Percentage | 12.50% | 100.00% | 0.00% | 0.00% |
| National Average as of Feb 17, 2026 | 6.67% | 22.26% | 4.44% | N/A |
Safety RatingThis is a measure of the carrier's compliance with the Federal Motor Carrier Safety Regulations (FMCSR). A Compliance Review is a statistical sampling or audit of required records to determine a motor carrier's compliance with the FMCSR. An in-depth review of the motor carrier's records is made to check different categories of drivers, vehicles and trips. This review may be limited to specific problems and may include a detailed investigation of a problem area. The compliance status determination is based on FMCSR violations discovered during the review. The below safety rating information is based on SAFER Web data. Hey Bubba! updates these statistics as they are released by the FMCSA.
- Rating Date
- Rating
- Review Date
- Type
- None
- None
- None
- None
More Trucking Resources
The carrier profiles listed on this page are compiled by Hey Bubba! based on publicly available data from the Federal Motor Carrier Safety Administration (FMCSA), including sources such as SAFER Web and the FMCSA's Safety Measurement System (SMS). While we strive to provide accurate and up-to-date information, Hey Bubba! does not guarantee the completeness, accuracy, or timeliness of the data presented. Users are advised to verify any critical information directly with the FMCSA or the carrier in question. Hey Bubba! assumes no legal liability or responsibility for any errors, omissions, or outcomes resulting from the use of this information.