Carrierintel Safety Score: 77/100. 3 inspection violations in 12 months. Last inspected Aug 2026.
DOT 40766MC 309746ActiveMotor CarrierInterstateUNITED STATES FIRE INSURANCE CO. · $1,000,000 · 1 policyPORTLAND, OR
COMPANY
Authority since
1996-12-12
MCS-150
2026-03-17 · 100,000 mi (2025)
Fleet
11 units · — trailers · 11 drivers
Annual mileage (VMT)
100,000 mi (2025)
ADDRESS
Physical
2929 NW 29TH AVE PORTLAND, OR 97210
Mailing
Same as physical
CONTACT
Phone
5032437710
Email
jacobg@wscocorp.com
OFFICERS
Primary Officer
GLENN ZIRKLE
Title
PRESIDENT
OPERATION & CARGO
Operation classification
Authorized For Hire
Specialty
Tanker / Bulk Liquids
Cargo types
2
Liquids / GasesOther: BULK PETROLEUM PROD
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
358 mo
Active authority
INSURANCE
1 active
UNITED STATES FIRE INSURANCE CO.
RISK GRADE
Minimal Risk
0 risk factors · 4 strengths
OOS RATE
12.5%
2 / 16 inspections
Carrierintel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
77
out of 100
Good
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections