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O Trucking
Active Carrier & Broker

DUNCAN & SON LINES INC

DOT# 44035 | MC# 144606 | Est. 1974 (51 yrs)

259

Power Units

231

Drivers

Est. 1974 (51 yrs)

Authority Age

S

Safety Rating

Company Overview

DUNCAN & SON LINES INC is an active carrier & broker registered with the FMCSA since June 1974. Based in BUCKEYE, AZ, They are classified as Interstate and operate interstate (beyond 100 miles) and interstate (within 100 miles). Their inferred equipment specializations include Reefer, Flatbed, Tanker, Hopper / Grain and Intermodal.

Equipment Analysis

Based on FMCSA cargo authorization flags and fleet composition data, DUNCAN & SON LINES INC appears to operate the following equipment types:

Reefer Flatbed Tanker Hopper / Grain Intermodal

Need dispatch for this equipment type?

Reefer Dispatch → Flatbed Dispatch →

Fleet Breakdown

Equipment Owned Term Leased Trip Leased Total
Tractors 0 259 0 259
Trailers 0 0 3,000 3,000

Authorized Cargo Types

DUNCAN & SON LINES INC is authorized to transport the following 7 cargo types:

General Freight Building Materials Intermodal Containers Grain/Feed/Hay Chemicals Refrigerated Food Paper Products

Operations Scope

Interstate (beyond 100 miles)
Interstate (within 100 miles)

CDL Drivers: 231

MCS-150 Mileage: 23,801,483 miles (2025)

Driver Information

231

Total Drivers

231

CDL Drivers

231

Interstate Drivers

Dispatch Services in AZ

Looking for dispatch services for these equipment types in AZ?

Reefer in AZ → Flatbed in AZ →

Verify on Official Sources

Cross-reference this carrier's data with official FMCSA systems:

View on SAFER

FMCSA Company Snapshot

Check Insurance

Licensing & Insurance

SMS Safety Data

Safety Measurement System

Insurance & Bonding

BIPD

$1 Million

NATIONAL INTERSTATE INSURANCE COMPANY

Cargo

Not on file

Bond

Not on file

Type Insurance Company Form Policy # Coverage Effective
BIPD NATIONAL INTERSTATE INSURANCE COMPANY 91X DUN 8199969-01 $1 Million 09/15/2021
View Insurance History (20 past records)
Type Company Policy # Effective Cancelled Method
NATIONAL INTERSTATE INSURANCE COMPANY VPP490005204 10/01/2018 12/31/2020 TERM/REPL
CANAL INSURANCE CO. 459611 09/01/2004 12/16/2004 TERM/CANCL
CANAL INSURANCE CO. 459611 09/01/2004 11/15/2004 TERM/REPL
NATIONAL INTERSTATE INSURANCE COMPANY VPP 4900052-00 01/01/2011 11/07/2015 CANCEL
NATIONAL INTERSTATE INSURANCE COMPANY DUN 8199969-01 12/31/2020 10/25/2021 TERM/CANCL
NATIONAL INTERSTATE INSURANCE COMPANY VEL 8100016-01 10/01/2014 10/01/2018 TERM/REPL
NATIONAL INTERSTATE INSURANCE COMPANY VPP 4900052-00 01/01/2011 10/01/2014 TERM/REPL
NATIONAL INTERSTATE INSURANCE COMPANY DUN 8199969-01 12/31/2020 09/15/2021 TERM/REPL
NATIONAL INTERSTATE INSURANCE COMPANY IML 0000014-00 09/01/2006 09/01/2006 TERM/REPL
NATIONAL INTERSTATE INSURANCE COMPANY IML 0000014-00 09/01/2006 09/01/2006 TERM/REPL
CANAL INSURANCE CO. 481914 07/17/2006 09/01/2006 CANCEL
CANAL INSURANCE CO. 459611 11/15/2004 09/01/2005 CANCEL
CANAL INSURANCE CO. 440620 09/01/2003 09/01/2004 CANCEL
WILSHIRE INSURANCE COMPANY BA2478790 09/01/2002 09/01/2003 CANCEL
WILSHIRE INSURANCE COMPANY BA2478790 09/01/2002 09/01/2003 CANCEL
WILSHIRE INSURANCE COMPANY BA2478790 09/01/1995 09/01/2002 CANCEL
WILSHIRE INSURANCE COMPANY BA 2478790 09/01/1995 09/01/2002 CANCEL
GREAT WEST CASUALTY CO. CLP 31420A 09/11/1990 09/01/1995 CANCEL
GREAT WEST CASUALTY CO. CLP 31420A 09/11/1990 09/01/1995 CANCEL
CANAL INSURANCE CO. 481914 09/01/2005 08/12/2006 TERM/CANCL

Insurance data sourced from FMCSA. Updated daily. Verify on FMCSA →

Frequently Asked Questions

What equipment does DUNCAN & SON LINES INC operate?

Based on their FMCSA cargo classifications and fleet data, DUNCAN & SON LINES INC is inferred to operate: Reefer, Flatbed, Tanker, Hopper / Grain and Intermodal.

Is DUNCAN & SON LINES INC's authority currently active?

DUNCAN & SON LINES INC currently holds active operating authority with the FMCSA.

How long has DUNCAN & SON LINES INC been in business?

DUNCAN & SON LINES INC has been registered with the FMCSA since June 1974, making their authority approximately 51 years, 10 months old.

Where is DUNCAN & SON LINES INC located?

DUNCAN & SON LINES INC is physically located at 23860 W US HWY 85, BUCKEYE, AZ 85326.

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