Carrier profile · USDOT 187887 · MC-153117 · Updated Jun 26, 2026

Mammoet USA South Inc

41 power unitsavg 8.6 yrRegional · 5 statesROSHARON, TX93/100

CARRIER ACTIVEMC-153117 ACTIVERATED SATISFACTORY

Observed fleet · trailing 24 mo daily

41Power units

8 observed · MCS-150

8Trailers seen

Decoded · vPIC

8.6Avg age (yr)

2000–2023 · vPIC

Call dispatch(281) 369-2200 Email dispatchsara.beers@mammoet.com

Click to see how we scored it

Load decision · FMCSA snapshot · Jun 26, 2026

Clear to load

Active authority and a clean federal record. No blocking issues found.

Watch · 1

Vehicle out-of-service rate above average30.0% vs the 22.26% national average.

In good standing · 3

Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.Established 52 yearsOperating authority has been on file since 1974.

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$1M in force

FMCSA L&I

Vehicle OOS · 24-mo30.0%

▲ 22.26% nat'l

Crashes · fatal

Clean · 24 mo

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$1M in force

FMCSA L&I

Vehicle OOS · 24-mo30.0%

▲ 22.26% nat'l

Crashes · fatal

Clean · 24 mo

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

Fleet typeIdentity

Asset-based

41 power units. Brokers price each fleet type apart.

Fleet age vs peersTypical

8.6 yr

Model years 2000–2023 · peer benchmark unavailable.

Identity stabilityStable

52 yr unchanged

Same registration since 1974 — no chameleon / reincarnation signal.

Safety

13 inspections · 24 mo · vs national benchmarks

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 30.0%24-mo cumulative

050%nat'l 22.26%

Driver OOS 0.0%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 10 vehicle and 13 driver inspections over 24 months.

Vehicle OOS rate· vehicle OOS · vehicle-level inspections · 6-month trailing

33.3% · latest 6-mo window▲ Rising

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending up 9.9 pts across the window. The national vehicle benchmark uses the same metric and is shown on the chart.

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

13 inspections in the charted months · busiest month May '25 · 2

Vehicle-levelDriver-levelAny OOS

Monthly FMCSA roadside inspections across the 24 charted calendar months. Bars show level-qualified vehicle and driver populations; one inspection can qualify for both. The line shows inspections with any out-of-service result.

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.

Thin coverage

Under-inspected

Expected

Well-monitored

Heavily inspected

≈0.2 / unit·yr

thin signalabundant signal

Few roadside inspections for a 41-unit fleet — the out-of-service and violation signals above rest on a small sample, so weight them cautiously. Thin coverage on a young authority is itself a flag.

Registered power units: 41
Inspections · 24 mo: 13
Annualized: ≈7 / yr
Coverage: ≈0.2 inspections / unit · yr

Violation themes· decoded · grouped by BASIC

What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.

392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving7 · 0 OOS
393.9 Inoperative required lampsVehicle Maintenance4 · 1 OOS
393.60 Windshield / glazingVehicle Maintenance3 · 0 OOS
393.11 Required lamps/reflectors missingVehicle Maintenance2 · 0 OOS
392.16 Failure to use seat beltUnsafe Driving2 · 0 OOS
393.75 Tires (defective / underinflated / worn)Vehicle Maintenance2 · 1 OOS
393.47 Brake actuators / linings / componentsVehicle Maintenance1 · 0 OOS
393.53 Automatic brake adjusters / indicatorsVehicle Maintenance1 · 0 OOS
393.70 Coupling devices / fifth wheelVehicle Maintenance1 · 1 OOS
395.24 ELD — record edits / dataHOS Compliance1 · 0 OOS

Explore full safety record — inspections, BASICs, crashes

Authority & Insurance

Can they legally + adequately haul your load?

Operating authority· 49 CFR · per type

Operating authority

Common: Active
Contract: Active
Broker: Active

Insurance & bonds

BIPD / liability$1,000,000 in force

Cargo filing (census)Recorded per census

Surety bond (census)Recorded per census

Insurance adequacy· filed BIPD vs the $750K federal floor

$1M in forcegeneral-freight federal minimum

$750K floor

Filed BIPD coverage of $1M meets or exceeds the $750K federal minimum for general freight (49 CFR 387.9). Some commodities (hazmat, larger vehicles) require $1M–$5M — confirm against your load.

Insurance continuity· insurer · policy · lapses

$750K BIPD last filed ’09 · 6 insurers · 0 lapsesInsurer churn

Continental’93–’98

Zurich American’98–’01

American Home’01–’09

St Paul’09–’16

beyond this history

1993200220112020now

Shorter eras are too brief to label at this scale — all 7 insurers are named in the list below.

BIPD in force — $1,000,000 · ACE AMERICAN INSURANCE COMPANY · since Jul 2016

All 7 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
ST. PAUL FIRE & MARINE INSURANCE CO.	Oct 2009 → Oct 2009	$750K	1
DISCOVER PROPERTY & CASUALTY INSURANCE CO.	Oct 2009 → Dec 2009	$750K	2
ST. PAUL FIRE & MARINE INSURANCE CO.	Oct 2009 → Jul 2016	$750K	1
ACE AMERICAN INSURANCE COMPANY	Jul 2009 → Oct 2009	$750K	1
AMERICAN HOME ASSURANCE CO.	Jul 2001 → Oct 2009	$750K	1
ZURICH AMERICAN INS. CO. OF ILLINOIS	Jul 1998 → Dec 2001	$750K	1
THE CONTINENTAL INSURANCE CO.	Jul 1993 → Jul 1998	$750K	1

Explore full authority & insurance record

Equipment

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 41
Observed power (24 mo): 8
Trailers (towed): 8

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

Fleet age· model years · decoded VINs

8.6 yr

Average age

2023

Newest model yr

2000

Oldest model yr

25.0%

VINs decoded

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

Operations & Lanes

Revealed by inspection density across 5 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusRegional

revealed

States observed

US states

Inspections · 24 mo

LA busiest

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

Home base

ROSHARON, TX

20525 FM 521

Top corridor

LA ⇄ TX

LA 6 · TX 4 · NY 1

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

No shared-VIN flow in the last 12 months

None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.

Show all-time history (3 trucks · 4 carriers)

Across all inspections on record: USDOT 3685377 USDOT 4403589 USDOT 1870828 USDOT 3598200

Shares a registration email domain with other carriers

@mammoet.com — 6 carriers: USDOT 568963 USDOT 855963 USDOT 987968 USDOT 3002532 USDOT 3584920

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

Shared w/ other carriers

Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.

Explore the carrier network & VIN cross-links

Identity & Federal

FMCSA census + L&I dossier

Location

Physical address: 20525 FM 521, ROSHARON, TX, 77583
Operation: Interstate

Contact

Phone: (281) 369-2200
Fax: (281) 369-2099
Email: sara.beers@mammoet.com
Web domain: mammoet.com

Registration

Officers: Darrell Brandes · Gustavo Carnelli Mariotto Ferreria
USDOT / docket: 187887 · MC-153117
First registered: Jun 1, 1974
Last MCS-150: Jan 21, 2026 · 616,263 mi (2025)
FMCSA safety rating: Satisfactory · Jul 12, 2006
D-U-N-S: 65087942

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

616,263

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

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Verification summaryAuthority, insurance, safety and identity facts for MAMMOET USA SOUTH INC.

MAMMOET USA SOUTH INC (USDOT 187887) has a Vektor safety score of 93/100 and a Clear to load verdict, from the carrier's FMCSA record refreshed Jun 26, 2026.

The carrier holds active common and contract for-hire operating authority per FMCSA L&I as of Jun 26, 2026.

It has an active BIPD insurance filing with a $1,000,000 limit in force from ACE AMERICAN INSURANCE COMPANY effective Jul 1, 2016 in FMCSA L&I's current snapshot as of Jun 26, 2026.

Its vehicle out-of-service rate was 30.0% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Jun 26, 2026.

The carrier received 13 roadside inspections in the last 24 months — 10 vehicle-level and 13 driver-level — across 5 states, according to FMCSA roadside-inspection data refreshed Jun 26, 2026.

The carrier has 0 reportable crashes in the last 24 months and 1 fatal crash across the full FMCSA crash record available as of Jun 26, 2026.

It reports 41 power units and 31 drivers in its most recent MCS-150 filing dated Jan 21, 2026.

It has an FMCSA safety rating of Satisfactory assigned Jul 12, 2006 in the federal record refreshed Jun 26, 2026.

Frequently asked

What is MAMMOET USA SOUTH INC's USDOT number?

MAMMOET USA SOUTH INC's USDOT number is 187887, and its motor carrier number is MC-153117.

Is MAMMOET USA SOUTH INC authorized to operate?

As of Jun 26, 2026, MAMMOET USA SOUTH INC is active in the FMCSA register with common, contract, broker operating authority on file.

What is MAMMOET USA SOUTH INC's safety record?

MAMMOET USA SOUTH INC has a 30.0% vehicle out-of-service rate (national average 22.26%) across 32 roadside inspections, with 0 reportable crashes in the last 24 months, and an FMCSA "Satisfactory" safety rating. Vektor's computed risk score is 93/100 (tier: clear).

How big is MAMMOET USA SOUTH INC's fleet?

MAMMOET USA SOUTH INC operates 41 power units and 31 drivers per its most recent MCS-150 filing.

Where is MAMMOET USA SOUTH INC based?

MAMMOET USA SOUTH INC is based in ROSHARON, TX, with roadside inspections recorded across 5 states.

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