DOT 2444287MC 843391ActiveInterstateGREAT WEST CASUALTY CO. · $1,000,000 · 1 policyYARMOUTH, IA
COMPANY
Authority since
2017-12-01
MCS-150
2026-04-29 · 885,338 mi (2025)
Fleet
22 units · 36 trailers · 14 drivers
Annual mileage (VMT)
885,338 mi (2025)
Owner origin
Western-northern-european
Origin candidates
French 54%
ADDRESS
Physical
25900 205TH AVE YARMOUTH, IA 52660
Mailing
Same as physical
CONTACT
Phone
3198657121
Email
tammy@seiowagrain.com
OFFICERS
Primary Officer
TAMMY VORWERK
Title
SECRETARY
Origin
Western-northern-european
OPERATION & CARGO
Operation classification
Authorized For Hire · Exempt For Hire
Specialty
Tanker / Bulk Liquids
Cargo types
8
General FreightMachinery, Large ObjectsLiquids / GasesGrain, Feed, HayChemicalsCommodities Dry BulkFarm SuppliesOther: GRAIN TRAILERS
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
106 mo
Active authority
INSURANCE
1 active
GREAT WEST CASUALTY CO.
RISK GRADE
Minimal Risk
1 risk factors · 3 strengths
OOS RATE
0.0%
0 / 19 inspections
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections