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ROCK SPRING CONTRACTING LLC
Kensington, MD
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating and crash records checked
FMCSA status: Active registration · no operating authority · DOT 2160346
Active
No Safety Rating
Broker Vetting Summary
Key signals from current FMCSA records
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Not Rated
13.0% OOS · 44 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Active FMCSA registration, but no active for-hire operating authority on record
- Previously ordered out of service on September 4, 2012 (New Entrant Revoked - Refusal of Audit/No Contact) — no longer active
- Registered with FMCSA as a private carrier — not registered to haul other companies' freight for hire
- No active insurance filing found on record
- Vehicle out-of-service rate 18.8% — below the 20.7% national average
- 44 FMCSA inspections on record
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
2160346
Safety Rating
Not Rated
Operation Classification
Private (property)
MCS-150 Filed
August 7, 2025
FMCSA Registration
June 3, 2011
Annual Mileage
221,047 mi (2024)
Contact Information
Address
3750 University Rd, Kensington, MD 20895
Phone
Email
Owner / Officer
Nicholas A Desamo
Cargo Types
Garbage/RefuseOther Cargo
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
44
Driver Inspections
27
Vehicle Inspections
28
Out-of-Service Violations
6
Violations by Category
Vehicle Maintenance18
Unsafe Driving4
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate18.8% · national avg 20.7%
✓ Below national average
13.0% of 23 inspections in the last 24 months put a driver or vehicle out of service —
34th percentile among carriers with 10–24 inspections (lower is better).
CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Inspection Trend by Year
2026
2025
2024
Violation Rate by Category
Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
7 of 16 inspections
Unsafe Driving
1 of 23 inspections
Hours of Service
0 of 23 inspections
Driver Fitness
1 of 23 inspections
Controlled Substances
0 of 23 inspections
Crash History (1)
Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
1
Crashes
0
Fatalities
0
Injuries
1
Tow-aways
| Date | State | Fatal | Injured | Tow | Conditions |
|---|---|---|---|---|---|
| November 4, 2025 | VA | — | — | Yes | No Adverse Conditions · Daylight · Dry |
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
MD13
DC11
VA9
Fleet & Equipment (12)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~12
of 16 reported to FMCSA
Trailers
—
seen at inspection
Equipment types observed
Chassis / Incomplete
7
Truck
5
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2017 Hino XJC720 / XFC720 | Truck · Class 5 | JHHRDM2H7HK004128 | 6 | 1 |
| 2020 Gm GM515 | Chassis / Incomplete · Class 5 | 1HTKHPVK3LH272538 | 5 | — |
| 2014 Ford E-350 | Chassis / Incomplete · Class 3 | 1FDWE3FL1EDA33888 | 3 | — |
| 2017 Mack GU (Granite) | Truck · Class 8 | 1M2AX04CXHM036783 | 3 | — |
| 2019 Hino Conventional Type Truck | Chassis / Incomplete · Class 6 | 5PVNJ8JM4K4S51005 | 3 | — |
| 2017 Hino Conventional Type Truck | Chassis / Incomplete · Class 6 | 5PVNJ8JV9H4S65662 | 3 | — |
| 2019 Mack Granite | Truck · Class 8 | 1M2GR2GC7KM010757 | 2 | 1 |
| 2026 Isuzu FTR | Chassis / Incomplete · Class 6 | 54DK6S1F0TSA00576 | 2 | — |
| 2025 Ford F-650 | Chassis / Incomplete · Class 6 | 1FDNF6AN6SDF03427 | 1 | — |
| 2018 Mack GU (Granite) | Truck · Class 8 | 1M2AX04C9JM038711 | 1 | 1 |
Show all 12 units
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2022 Mack Granite | Truck · Class 8 | 1M2GR4GC9NM028645 | 1 | — |
| 2016 Hino Conventional Type Truck | Chassis / Incomplete · Class 6 | 5PVNJ8JV6G4S61356 | 1 | — |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Inspection Details
Each roadside inspection with its violations
Inspection Records (44)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| August 27, 2026 | 4412001953 | WASHINGTON DC | III | — | — | — | Straight Truck |
MACK |
1M2AX04CXFM023285 |
MD 260ED55 |
| August 6, 2026 | 0321C01006 | SYKESVILLE MD | II | — | — | FREEDOM MATERIALS | Straight Truck |
GM |
1HTKHPVK3LH272538 |
MD 5EM3883 |
| July 10, 2026 | 7620000897 | DUMFRIES VA | III | — | — | CARRIER ITSELF | Straight Truck |
ISUZU |
54DK6S1F0TSA00576 |
MD 3GW2572 |
| June 15, 2026 | 0224C00161 | BALTIMORE MD | II | 1 | 1 | CARRIER | Straight Truck |
MACK |
1M2AX04C9JM038711 |
MD 289ED51 |
| 393.134B-CRHLC | OOSRoll-on/Roll-off/Hook Lift Containers - Improper securement of a roll-on/roll-off and hook lift container | Improper Load Securement | ||||||||
| April 17, 2026 | 0240C00402 | CLARKSBURG MD | I | — | — | — | Straight Truck |
FORD |
1FDNF6AN6SDF03427 |
MD 3GK6493 |
| April 3, 2026 | 0296C00652 | CLARKSBURG MD | I | — | — | CARRIER | Straight Truck |
ISUZU |
54DK6S1F0TSA00576 |
MD 3GW2572 |
| January 14, 2026 | F003000667 | DUMFRIES VA | II | 3 | — | — | Straight Truck |
HINO |
JHHRDM2H7HK004128 |
MD 7DL5617 |
| 392.2-SLLUCR | State/Local Laws - Failure to pay UCR fee | |||||||||
| 393.30-B | Battery - Not protected | Other Vehicle Defect | ||||||||
| 393.9A-LLPL | Lighting - License plate lamp inoperative | Clearance Identification Lamps/Other | ||||||||
| January 8, 2026 | 0310C00680 | CLARKSBURG MD | II | — | — | CARRIER | Straight Truck |
GM |
1HTKHPVK3LH272538 |
MD 5EM3883 |
| December 22, 2025 | 2274C00488 | COLLEGE PARK MD | I | 5 | 1 | — | Straight Truck |
MACK |
1M2GR2GC7KM010757 |
MD 307ED12 |
| 396.3A1-BOS | OOSBrake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Brake Out Of Service | ||||||||
| 393.47A-BCLMBD | Drum Brake - Cracked/loose/missing lining/pad | Brakes All Others | ||||||||
| 393.47E | Brake Out of Adjustment - Roto, Clamp (Short & Long), DD-3, or Bolt | Brakes Out of Adjustment | ||||||||
| 393.47A-BCLMBD | Drum Brake - Cracked/loose/missing lining/pad | Brakes All Others | ||||||||
| 393.53B-B | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Brakes All Others | ||||||||
| December 22, 2025 | 0217C00220 | CLARKSBURG MD | II | — | — | CARRIER | Straight Truck |
FORD |
1FDWE3FL1EDA33888 |
MD 4DR3468 |
Shippers Seen at Inspections
Shipper names recorded by roadside inspectors over roughly the last three years. Only inspected loads appear, so this is a sample of who the carrier hauls for, not a complete customer list. Names are as entered at the roadside; blanks and placeholders such as “N/A” or “same as carrier” are left out.
| Shipper | Inspections | Most recent |
|---|---|---|
| CARRIER IS SHIPPER | 2 | October 21, 2024 |
| FREEDOM MATERIALS | 1 | August 6, 2026 |
| CARRIER ITSELF | 1 | July 10, 2026 |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: September 20, 2026.
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