DOT 3214861MC 1004818ActiveMotor CarrierInterstateGREAT AMERICAN ASSURANCE COMPANY · $1,000,000 · 1 policyPORTSMOUTH, NH
COMPANY
Authority since
2019-01-09
MCS-150
2026-01-05 · 34,000 mi (2025)
Fleet
3 units · — trailers · 2 drivers
Annual mileage (VMT)
34,000 mi (2025)
ADDRESS
Physical
195 WEST RD UNIT A PORTSMOUTH, NH 03801
Mailing
PO BOX 4474 PORTSMOUTH, NH 03802-4474
CONTACT
Phone
6038120212
Email
tap@blackdogdivers.com
OFFICERS
Primary Officer
JOHN K. BOSEN
Title
SECRETARY
OPERATION & CARGO
Operation classification
Private Property · Authorized For Hire
Specialty
Construction & Building Materials
Cargo types
8
General FreightMetal: Sheets, Coils, RollsLogs, Poles, Beams, LumberBuilding MaterialsMachinery, Large ObjectsUtilityConstructionOther: CRANE AND RIGGING
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
93 mo
Active authority
INSURANCE
1 active
GREAT AMERICAN ASSURANCE COMPANY
RISK GRADE
Minimal Risk
0 risk factors · 2 strengths
OOS RATE
0.0%
0 / 0 inspections
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections