Carrier profile · USDOT 1689418 · Updated Aug 20, 2026

Glassfab Tempering Services Inc

34 power unitsavg 6.4 yrRegional · 4 statesTRACY, CA88/100

AUTHORITY STATUS UNKNOWN

Observed fleet · trailing 24 mo daily

34Power units

48 observed · MCS-150

15Trailers seen

Decoded · vPIC

6.4Avg age (yr)

1998–2026 · vPIC

Call dispatch(209) 229-1060 Email dispatchkimberly@glassfabusa.com

Click to see how we scored it

Load decision · FMCSA snapshot · Aug 20, 2026

Clear to load

Clear under the current scoring — review the flagged signal below before loading.

Watch · 1

Fatal crash on record3 crash(es) involving a fatality are on this carrier's record.

In good standing · 2

Established 19 yearsOperating authority has been on file since 2007.Out-of-service rates below national averageBoth vehicle and driver OOS rates beat the national benchmark across 228 inspections.

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo10.9%

▼ 22.26% nat'l

Crashes · fatal

1 in 24 mo

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo10.9%

▼ 22.26% nat'l

Crashes · fatal

1 in 24 mo

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

Fleet typeIdentity

Asset-based

34 power units. Brokers price each fleet type apart.

Fleet age vs peersTypical

6.4 yr

Model years 1998–2026 · peer benchmark unavailable.

Identity stabilityStable

18 yr unchanged

Same registration since 2007 — no chameleon / reincarnation signal.

Safety

147 inspections · 24 mo · vs national benchmarks

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

Vehicle OOS 10.9%24-mo cumulative

050%nat'l 22.26%

Driver OOS 0.7%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 119 vehicle and 147 driver inspections over 24 months.

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

6.7% · latest 6-mo window● Steady

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Holding steady 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

145 inspections in the charted months · busiest month Oct '24 · 10

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.

Heavily inspected

Under-inspected

Expected

Well-monitored

Heavily inspected

≈2.2 / unit·yr

thin signalabundant signal

Among the more heavily-inspected carriers for its size — abundant roadside signal. Coverage isn't the question here; the out-of-service and crash record is.

Registered power units: 34
Inspections · 24 mo: 147
Annualized: ≈74 / yr
Coverage: ≈2.2 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 Driving24 · 1 OOS
393.9 Inoperative required lampsVehicle Maintenance13 · 0 OOS
393.75 Tires (defective / underinflated / worn)Vehicle Maintenance12 · 9 OOS
393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance4 · 0 OOS
395.8 Record of duty status (log / ELD) not current or missingHOS Compliance4 · 0 OOS
392.9 Failure to secure load / cargo not securedUnsafe Driving3 · 1 OOS
393.55 Antilock brake system (ABS)Vehicle Maintenance3 · 0 OOS
393.100 Cargo securement (general)Vehicle Maintenance3 · 3 OOS
396.3 Inspection / repair / maintenance not performedVehicle Maintenance3 · 2 OOS
393.47 Brake actuators / linings / componentsVehicle Maintenance3 · 0 OOS

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): 34
Observed power (24 mo): 48
Trailers (towed): 15

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

Fleet age· model years · decoded VINs

6.4 yr

Average age

2026

Newest model yr

1998

Oldest model yr

71.4%

VINs decoded

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

Operations & Lanes

Revealed by inspection density across 4 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusRegional

revealed

States observed

US states

Inspections · 24 mo

147

CA busiest

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

Home base

TRACY, CA

8690 W LINNE RD

Top corridor

CA 136 · OR 4 · NV 4

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

Last 12 months: 3 trucks also ran under 3 other carriers

VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 268015 USDOT 327574 USDOT 125550Some overlap is legitimate (leased or sold equipment); review alongside the other signals.

Show all-time history (7 trucks · 9 carriers)

Across all inspections on record: USDOT 22236 USDOT 80403 USDOT 327574 USDOT 917131 USDOT 1613424 USDOT 268015 USDOT 3101414 USDOT 2612809

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

Shared w/ other carriers

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: 8690 W LINNE RD, TRACY, CA, 95304
Operation: Interstate

Contact

Phone: (209) 229-1060
Fax: (209) 839-8253
Email: kimberly@glassfabusa.com
Web domain: glassfabusa.com

Registration

Officers: Kimberly Dominguez · Samantha Paiva
USDOT / docket: 1689418
First registered: Sep 19, 2007
Last MCS-150: Apr 23, 2025 · 1,850,000 mi (2024)
FMCSA safety rating: Not rated
Recordable crash rate: 0.00
D-U-N-S: —

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

1,850,000

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 GLASSFAB TEMPERING 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 GLASSFAB TEMPERING SERVICES INC.

GLASSFAB TEMPERING SERVICES INC (USDOT 1689418) has a Vektor safety score of 88/100 and a Clear to load verdict, from the carrier's FMCSA record refreshed 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 10.9% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Aug 20, 2026.

The carrier received 147 roadside inspections in the last 24 months — 119 vehicle-level and 147 driver-level — across 4 states, according to FMCSA roadside-inspection data refreshed Aug 20, 2026.

The carrier has 1 reportable crash in the last 24 months and 3 fatal crashes across the full FMCSA crash record available as of Aug 20, 2026.

It reports 34 power units and 34 drivers in its most recent MCS-150 filing dated Apr 23, 2025.

It has no FMCSA-assigned safety rating in the federal record refreshed Aug 20, 2026.

Frequently asked

What is GLASSFAB TEMPERING SERVICES INC's USDOT number?

GLASSFAB TEMPERING SERVICES INC's USDOT number is 1689418.

Is GLASSFAB TEMPERING SERVICES INC authorized to operate?

As of Aug 20, 2026, GLASSFAB TEMPERING SERVICES INC is active in the FMCSA register.

What is GLASSFAB TEMPERING SERVICES INC's safety record?

GLASSFAB TEMPERING SERVICES INC has a 10.9% vehicle out-of-service rate (national average 22.26%) across 228 roadside inspections, with 1 reportable crash in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 88/100 (tier: clear).

How big is GLASSFAB TEMPERING SERVICES INC's fleet?

GLASSFAB TEMPERING SERVICES INC operates 34 power units and 34 drivers per its most recent MCS-150 filing.

Where is GLASSFAB TEMPERING SERVICES INC based?

GLASSFAB TEMPERING SERVICES INC is based in TRACY, CA, with roadside inspections recorded across 4 states.

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