Owner-operator
2 power units. Brokers price each fleet type apart.
Load decision · FMCSA snapshot · Jul 14, 2026
Not enough federal record to assess. Verify authority and insurance directly.
Owner-operator
2 power units. Brokers price each fleet type apart.
—
Not yet decoded
52 yr unchanged
Same registration since 1974 — no chameleon / reincarnation signal.
GROSKOPF LOGISTICS SERVICES INC (USDOT 144498) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score as of Jul 14, 2026.
The carrier has no active for-hire operating authority per FMCSA L&I as of Jul 14, 2026.
It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available as of Jul 14, 2026.
The carrier received 0 roadside inspections in the last 24 months — 0 vehicle-level and 0 driver-level, according to FMCSA roadside-inspection data refreshed Jul 14, 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 Jul 14, 2026.
It reports 2 power units and 2 drivers in its most recent MCS-150 filing dated Sep 7, 2005.
It has no FMCSA-assigned safety rating in the federal record refreshed Jul 14, 2026.
GROSKOPF LOGISTICS SERVICES INC's USDOT number is 144498, and its motor carrier number is MC-141341.
As of Jul 14, 2026, GROSKOPF LOGISTICS SERVICES INC is inactive in the FMCSA register with common, contract, broker operating authority on file.
GROSKOPF LOGISTICS SERVICES INC operates 2 power units and 2 drivers per its most recent MCS-150 filing.
GROSKOPF LOGISTICS SERVICES INC is based in SONOMA, CA.
Comparable carriers around Sonoma and across California
Other FMCSA-registered carriers near this one in the directory, by USDOT number.
Roadside inspections, BASICs & crash history
Out-of-service rate· 24-mo cumulative
No roadside inspections on record.
Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay
No roadside inspections on the FMCSA record in this window
Can they legally + adequately haul your load?
Operating authority· 49 CFR · per type
Operating authority
Insurance & bonds
Insurance continuity· insurer · policy · lapses
Shorter eras are too brief to label at this scale — all 7 insurers are named in the list below.
This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here.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.
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| ZC INS. CO /CONVERIUM INS.(NA) INC. | Jun 2001 → Jul 2004 | $750K | 2 |
| ZC INS. CO /CONVERIUM INS.(NA) INC. | Nov 2000 → Jan 2001 | $750K | 2 |
| WESTPORT INSURANCE CORPORATION | May 1999 → Nov 2000 | $1M | 1 |
| FIREMAN'S FUND INSURANCE CO. | May 1996 → Jul 1999 | $750K | 1 |
| AMERICAN EAGLE INSURANCE CO | Mar 1992 → Jun 1996 | $750K | 1 |
| INDUSTRIAL INDEMNITY CO. | Nov 1989 → Jan 2001 | $750K | 1 |
| FIREMAN'S FUND INSURANCE CO. | Feb 1976 → May 1999 | $1M | 1 |
VIN-decoded · NHTSA vPIC
Capacity· power units = haulable capacity; trailers are towed
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Revealed by inspection density · 24 mo
Inspection density by state· each tile = a state · shade = inspections, last 24 mo
Affiliated entities & reincarnation signals · for review, not a verdict
No shared-identity links detected — no reincarnation flag, shared trucks, registration domain, or officer overlap with other carriers.
FMCSA census + L&I dossier
Location
Contact
Registration
Fleet (self-reported · MCS-150)
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.
Verified broker, shipper & driver reviews — moderated
Be the first broker or shipper to rate GROSKOPF LOGISTICS SERVICES INC. Reviews cover performance only — on-time delivery, payment speed, communication — and never affect the Vektor risk score.
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