Carrier profile · USDOT 330443 · Updated Aug 20, 2026

GRR Transportation Services Inc

1 power unitavg 9.5 yrLocal · 1 statesSUMTER, SC50/100

AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT

Observed fleet · trailing 24 mo daily

1Power units

1 observed · MCS-150

1Trailers seen

Decoded · vPIC

9.5Avg age (yr)

2008–2025 · vPIC

Call dispatch(843) 773-1400 Email dispatchcharles.murray@heidelbergmaterials.com

Click to see how we scored it

Load decision · FMCSA snapshot · Aug 20, 2026

Limited record

Not enough federal record to assess. Verify authority and insurance directly.

Watch · 0

Nothing flagged.

In good standing · 1

Established 38 yearsOperating authority has been on file since 1988.

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo0.0%

Crashes · fatal

Clean · 24 mo

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo0.0%

Crashes · fatal

Clean · 24 mo

Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots

Fleet typeIdentity

Owner-operator

1 power unit. Brokers price each fleet type apart.

Fleet age vs peersTypical

9.5 yr

Model years 2008–2025 · peer benchmark unavailable.

Identity stabilityStable

37 yr unchanged

Same registration since 1988 — no chameleon / reincarnation signal.

Safety

2 inspections · 24 mo

Out-of-service rate· 24-mo cumulative

Vehicle OOS 0.0%24-mo cumulative

050%

Driver OOS 0.0%24-mo cumulative

030%

Every inspection in the window pooled — 2 vehicle and 2 driver inspections over 24 months.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

No roadside inspections on the FMCSA record in this window

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.

Well-monitored

Under-inspected

Expected

Well-monitored

Heavily inspected

≈1.0 / unit·yr

thin signalabundant signal

Within the expected band for a 1-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.

Registered power units: 1
Inspections · 24 mo: 2
Annualized: ≈1 / yr
Coverage: ≈1.0 inspections / unit · yr

Explore full safety record — inspections, BASICs, crashes

Authority & Insurance

Can they legally + adequately haul your load?

Insurance continuity· insurer · policy · lapses

No insurance filing history on record.

This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here. Request a certificate of insurance to confirm active coverage before tendering.

Explore full authority & insurance record

Equipment

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 1
Observed power (24 mo): 1
Trailers (towed): 1

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.

Fleet age· model years · decoded VINs

9.5 yr

Average age

2025

Newest model yr

2008

Oldest model yr

50.0%

VINs decoded

Explore full fleet — VIN roster, equipment mix, age distribution

Operations & Lanes

Revealed by inspection density across 1 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusLocal

revealed

States observed

US states

Inspections · 24 mo

SC busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base

SUMTER, SC

245 S HARVIN ST

Top corridor

SC 2

Density

fewermore

Shade = roadside inspections, last 24 mo.

See the full operating map — state density, top lanes

Network & Fraud

Affiliated entities & reincarnation signals · for review, not a verdict

Shares a registration email domain with other carriers

@heidelbergmaterials.com — 12 carriers: USDOT 109226 USDOT 554236 USDOT 605674 USDOT 829417 USDOT 856034 USDOT 1133825 USDOT 1603351 USDOT 1977251

Shares a company officer with other carriers

stephen holt — 3 carriers: USDOT 2858791 USDOT 3240794

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

Registered and roadside-observed capacity are broadly consistent.

Explore the carrier network & VIN cross-links

Identity & Federal

FMCSA census + L&I dossier

Location

Physical address: 245 S HARVIN ST, SUMTER, SC, 29150
Mailing address: 755 INDUSTRIAL RD, SUMTER, SC, 29150
Operation: Interstate· Hazmat

Contact

Phone: (843) 773-1400
Email: charles.murray@heidelbergmaterials.com
Web domain: heidelbergmaterials.com

Registration

Officers: Stephen Holt · Scott Dickson
USDOT / docket: 330443
First registered: Nov 10, 1988
Last MCS-150: Apr 8, 2026 · 1 mi (2024)
FMCSA safety rating: Satisfactory · Mar 10, 2026
D-U-N-S: —

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

Annual mileage

Open the full identity & federal record

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.

Open the full federal-record activity feed

Reviews

Verified broker, shipper & driver reviews — moderated

Performance ratings only — never the Vektor risk score

No verified reviews yet

Be the first broker or shipper to rate GRR TRANSPORTATION SERVICES INC. Reviews cover performance only — on-time delivery, payment speed, communication — and never affect the Vektor risk score.

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Verification summaryAuthority, insurance, safety and identity facts for GRR TRANSPORTATION SERVICES INC.

GRR TRANSPORTATION SERVICES INC (USDOT 330443) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score as of Aug 20, 2026.

The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available as of Aug 20, 2026.

It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available as of Aug 20, 2026.

Its vehicle out-of-service rate was 0.0% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Aug 20, 2026.

The carrier received 2 roadside inspections in the last 24 months — 2 vehicle-level and 2 driver-level — across 1 state, according to FMCSA roadside-inspection data refreshed Aug 20, 2026.

The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Aug 20, 2026.

It reports 1 power unit and 1 driver in its most recent MCS-150 filing dated Apr 8, 2026.

It has an FMCSA safety rating of Satisfactory assigned Mar 10, 2026 in the federal record refreshed Aug 20, 2026.

Frequently asked

What is GRR TRANSPORTATION SERVICES INC's USDOT number?

GRR TRANSPORTATION SERVICES INC's USDOT number is 330443.

Is GRR TRANSPORTATION SERVICES INC authorized to operate?

As of Aug 20, 2026, GRR TRANSPORTATION SERVICES INC is active in the FMCSA register.

What is GRR TRANSPORTATION SERVICES INC's safety record?

GRR TRANSPORTATION SERVICES INC has a 0.0% vehicle out-of-service rate (national average 22.26%) across 2 roadside inspections, with 0 reportable crashes in the last 24 months, and an FMCSA "Satisfactory" safety rating. Vektor does not assign this carrier a safety score — there is not enough federal record to assess it.

How big is GRR TRANSPORTATION SERVICES INC's fleet?

GRR TRANSPORTATION SERVICES INC operates 1 power unit and 1 driver per its most recent MCS-150 filing.

Where is GRR TRANSPORTATION SERVICES INC based?

GRR TRANSPORTATION SERVICES INC is based in SUMTER, SC, with roadside inspections recorded across 1 state.

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