Fleet typeIdentity
Asset-based
141 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 576512 · MC-281466
SHAMROCK ENVIRONMENTAL CORPORATION
DBA RECO BIOTECHNOLOGY-CTW SPECIALTIES
141 power unitsavg 12.3 yrMulti-region · 12 statesBROWN SUMMIT, NC
CARRIER ACTIVEMC-281466 ACTIVERATED SATISFACTORYHAZMAT
Observed fleet · trailing 24 mo daily
141Power units
76 observed · MCS-150
50Trailers seen
Decoded · vPIC
12.3Avg age (yr)
1998–2026 · vPIC
Click to see how we scored it
Load decision · FMCSA snapshot · 2026-06-21
Clear to load
Active authority and a clean federal record. No blocking issues found.
Active operating authorityInsurance on fileFatal crash on record
In good standing · 4
Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.Established 32 yearsOperating authority has been on file since 1994.Out-of-service rates below national averageBoth vehicle and driver OOS rates beat the national benchmark across 261 inspections.
Operating authority3131 yr active
since 1994Insurance (BIPD)On file
FMCSA L&IVehicle OOS · 24mo10.010.0 %
▼ 22.26% nat'lCrashes · fatal22
3 in 24moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersOlder
12.3 yr
Model years 1998–2026 · peer benchmark computing.
Identity stabilityStable
31 yr unchanged
Same registration since 1994 — no chameleon / reincarnation signal.
AI readFull read
Is SHAMROCK ENVIRONMENTAL CORPORATION safe to work with?
Is SHAMROCK ENVIRONMENTAL CORPORATION safe to load? SHAMROCK ENVIRONMENTAL CORPORATION (USDOT 576512, MC-281466) is an active asset-based motor carrier based in BROWN SUMMIT, NC, operating 141 power units and 128 drivers. Operating authority has been active 31 years (past the 24-month broker-confidence threshold). Across 261 roadside inspections, its vehicle out-of-service rate is 10.0% (below the 22.26% national average), with 3 reportable crashes in the last 24 months. FMCSA rates it Satisfactory. Vektor rates it clear to load (88/100), with the leading concern: fatal crash on record. Source: FMCSA SAFER/MCMIS, last updated 2026-06-21.
FMCSA fields + Vektor analysis · updated 2026-06-21
SESHAMROCK ENVIRONMENTAL CORPORATION 88
01
Safety
261 inspections · 24 mo · vs national benchmarks
Out-of-service rate· trailing 24 months vs national benchmark
Vehicle OOS 10.0% (24-mo)70 veh insp · 24-mo · nat'l 22.26%
050%nat'l 22.26%
Driver OOS 2.6% (24-mo)151 drv insp · 24-mo · nat'l 6.67%
030%nat'l 6.67%
OOS trajectory· trailing 6-mo vehicle-OOS rate vs national
9.7% now▲ Worsening
Inspection coverage· expected vs observed · the fraud signal
Inspection coverage
How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.
Under-inspected
Expected
Well-monitored
Heavily inspected
≈0.5 / unit·yr
thin signalabundant signal
Roadside-inspection volume is about what you'd expect for a 141-unit fleet — enough signal to read the safety record, though not a heavy sample.
- Registered power units
- 141
- Inspections · 24 mo
- 151
- Annualized
- ≈76 / yr
- Coverage
- ≈0.5 inspections / unit · yr
02
Authority & insurance
Can they legally + adequately haul your load?
Operating authority· 49 CFR · per type
Operating authority
- Common
- None
- Contract
- Active
- Broker
- None
Insurance & bonds
BIPD / liability (required)Filed with FMCSA
CargoNone
Surety bond (BMC-84)None
Insurance continuity· insurer · policy · lapses
$750k BIPD · 5 insurers · 3 lapsesCoverage lapse
+4 earlier
Reliance National · 94–00
Greenwich · 00–02
Greenwich · 04–21
19942021
No BIPD policy is currently in force in the filing history. The authority record may still list one on file — request a COI to confirm current coverage.
7 insurer eras · collapsed from 23 filings
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| ZURICH AMERICAN INSURANCE COMPANY | Oct 2021 → Oct 2021 | $750k | 1 |
| STARR INDEMNITY & LIABILITY INSURANCE COMPANY | Oct 2013 → Dec 2013 | $750k | 1 |
| STARR INDEMNITY & LIABILITY INSURANCE COMPANY | Oct 2012 → Oct 2012 | $750k | 4 |
| GREENWICH INSURANCE COMPANY | Jan 2004 → Oct 2021 | $750k | 3 |
| COMMERCE AND INDUSTRY INSURANCE | Jan 2003 → Jan 2004 | $750k | 1 |
| GREENWICH INSURANCE COMPANY | Jan 2000 → Jan 2002 | $750k | 6 |
| RELIANCE NATIONAL INDEMNITY COMPANY | Oct 1994 → Jan 2000 | $750k | 7 |
03
Equipment & fleet
VIN-decoded · NHTSA vPIC
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 141
- Observed power (24 mo)
- 76
- Trailers (towed)
- 50
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Fleet age· model years · decoded VINs
Average age
2026
Newest model yr
1998
Oldest model yr
VINs decoded
04
Operations & lanes
Revealed by inspection density across 12 states · 24 mo
Operating footprint· revealed by roadside-inspection geography
Operating radiusMulti-region
revealedStates observed1212
US statesInspections · 24 mo151151
NC busiestInspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
BROWN SUMMIT, NC
Top corridor
NC
Density
fewermore
05
Network & fraud
Affiliated entities & reincarnation signals · for review, not a verdict
Shares a registration email domain with other carriers
@shamrockenviro.com — 2 carriers: USDOT 796227
Shares a company officer with other carriers
gretchen lowery — 2 carriers: USDOT 2270286
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)141141
Observed (24 mo)7676
Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.
06
Identity & contact
FMCSA census + L&I dossier
Location
- Physical address
- 6106 CORPORATE PARK DRIVE, BROWN SUMMIT, NC, 27214
- Operation
- Interstate· Hazmat
Contact
- Phone
- (336) 375-1989
- Fax
- (336) 375-1801
- Web domain
- shamrockenviro.com
Registration
- Officers
- Gretchen Lowery · Julia Arambula
- USDOT / docket
- 576512 · MC-281466
- First registered
- 10/05/1994
- Last MCS-150
- 03/01/2025 · 3,553,975 mi (2024)
- FMCSA safety rating
- Satisfactory · 04/04/2002
- D-U-N-S
- 867811689
Fleet (self-reported · MCS-150)
07
Federal activity
Daily-captured FMCSA licensing & insurance changes — monitored by Vektor
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.
08
Reviews
Verified broker, shipper & driver reviews — moderated
Performance ratings only — never the Vektor risk score
No verified reviews yet
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Leave a review09
Frequently asked
What is SHAMROCK ENVIRONMENTAL CORPORATION's USDOT number?
SHAMROCK ENVIRONMENTAL CORPORATION's USDOT number is 576512, and its motor carrier number is MC-281466.
Is SHAMROCK ENVIRONMENTAL CORPORATION authorized to operate?
As of 2026-06-21, SHAMROCK ENVIRONMENTAL CORPORATION is active in the FMCSA register with common, contract, broker operating authority on file.
What is SHAMROCK ENVIRONMENTAL CORPORATION's safety record?
SHAMROCK ENVIRONMENTAL CORPORATION has a 10.0% vehicle out-of-service rate (national average 22.26%) across 261 roadside inspections, with 3 reportable crashes in the last 24 months, and an FMCSA "Satisfactory" safety rating. Vektor's computed risk score is 88/100 (tier: clear).
How big is SHAMROCK ENVIRONMENTAL CORPORATION's fleet?
SHAMROCK ENVIRONMENTAL CORPORATION operates 141 power units and 128 drivers per its most recent MCS-150 filing.
Where is SHAMROCK ENVIRONMENTAL CORPORATION based?
SHAMROCK ENVIRONMENTAL CORPORATION is based in BROWN SUMMIT, NC, with roadside inspections recorded across 12 states.