--- title: "DUNCAN & SON LINES INC | DOT 44035 | Carrier Profile" description: "DUNCAN & SON LINES INC is a interstate carrier based in BUCKEYE, AZ. Fleet size: 259 power units, 231 drivers. DOT# 44035, MC# 144606." lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "LocalBusiness", "name": "DUNCAN & SON LINES INC", "url": "https://runalphaloops.com/carrier/az/44035/duncan-son-lines-inc", "areaServed": [ { "@type": "State", "name": "CA" }, { "@type": "State", "name": "AZ" }, { "@type": "State", "name": "NM" }, { "@type": "State", "name": "TX" }, { "@type": "State", "name": "AR" } ], "address": { "@type": "PostalAddress", "streetAddress": "23860 W US HWY 85", "addressLocality": "BUCKEYE", "addressRegion": "AZ", "postalCode": "85326", "addressCountry": "US" }, "telephone": "6233864511", "identifier": [ { "@type": "PropertyValue", "name": "DOT Number", "value": "44035" }, { "@type": "PropertyValue", "name": "MC Number", "value": "144606" } ], "numberOfEmployees": { "@type": "QuantitativeValue", "value": 231 } }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What is DUNCAN & SON LINES INC's DOT number?", "acceptedAnswer": { "@type": "Answer", "text": "DUNCAN & SON LINES INC's USDOT number is 44035. Their motor carrier number (MC#) is 144606. These numbers are assigned by the Federal Motor Carrier Safety Administration (FMCSA)." } }, { "@type": "Question", "name": "Where is DUNCAN & SON LINES INC located?", "acceptedAnswer": { "@type": "Answer", "text": "DUNCAN & SON LINES INC is based in BUCKEYE, AZ 85326. They can be reached at 6233864511." } }, { "@type": "Question", "name": "How large is DUNCAN & SON LINES INC's fleet?", "acceptedAnswer": { "@type": "Answer", "text": "DUNCAN & SON LINES INC operates 259 power units with 231 drivers." } }, { "@type": "Question", "name": "Is DUNCAN & SON LINES INC currently active?", "acceptedAnswer": { "@type": "Answer", "text": "DUNCAN & SON LINES INC's USDOT registration is currently listed as active." } } ] }, { "@context": "https://schema.org", "@type": "WebSite", "name": "AlphaLoops", "alternateName": [ "AlphaLoops.com", "Run AlphaLoop" ], "url": "https://runalphaloops.com/" } ] --- [![AlphaLoops](/lovable-uploads/AlphaLoops-Logo-2025_Black-Type_White-Background_3280x1024.png)](/) [Our Data](/our-data)[AI Capabilities](/ai)[Pricing](/pricing)[Research](https://research.runalphaloops.com/)[Contact](/contact) 1. [Home ](/) 2. / 3. [Carriers ](/carriers) 4. / 5. [AZ ](/carriers/az) 6. / 7. DUNCAN & SON LINES INC Active Interstate # DUNCAN & SON LINES INC Unlock full report — $10 Risk score · full evidence · 72-hour access · No account required DOT # 44035 MC # 144606 Location BUCKEYE, AZ Phone [6233864511](tel:6233864511) Profile Claim this profile Power Units 259 Drivers 231 Trailers 613 Annual Miles In full report Entity Type CORPORATION MCS-150 Date Feb 10, 2026 ## Risk Signals — DUNCAN & SON LINES INC Scanning active / 10 CLEAR Full risk analysis — historical patterns, fraud connections, financial signals — runs when you… Authority for sale No active listings detected… CLEAR Equipment for sale 1 fleet VIN listed — routine for fleet size… LOW Financial risk Analyzed in the full report… LOCKED Fraud signals Connection analysis in the full report… LOCKED Historical patterns Pattern analysis runs when you unlock the report… LOCKED Recent activity No adverse news in 90 days… CLEAR Unlock the full vetting report Get the exact risk score, full analysis, and the specific evidence + sources behind every signal. Unlock full report — $10Included in the full report → One-time · no account required ## Inspection Summary Recent Inspections (90 Days) 61 Vehicle OOS Rate 13.1% 8 of 61 National avg ~21% Driver OOS Rate 0% 0 of 61 National avg ~5% OOS Inspections 8 Driver + Vehicle OOS Most recent Sep 10, 2026 · CA Clean rate (90d) 53% Every inspection with date, location, level, violations found, and out-of-service results. Included in the full report → ## Crash Summary Total Crashes 144 All time Fatalities 7 Injuries 38 Tow-Away 142 ## Counterparty Reports Email-verified, moderated transaction reports from brokers, shippers, and carriers who worked with DUNCAN & SON LINES INC. No verified counterparty reports yet Worked a load with DUNCAN & SON LINES INC? Be the first to report how it went. Review this carrier ## About DUNCAN & SON LINES INC Duncan & Son Lines is a fourth-generation, family-owned logistics firm specializing in international container drayage to and from the ports of Long Beach and Los Angeles. Operating since 1943 with a fleet of over 220 late-model trucks, the company is focused on providing reliable and sustainable transportation services in the Southwest region. #### Key Features International container drayage Truck sales Container sales Employment opportunities ### Key Contacts 14 on file 14 verified contacts Names, titles, emails, and direct phones unlock with your AlphaLoops trial. Names, titles, emails, and direct phone numbers for this carrier's decision-makers — included with your AlphaLoops trial. [Included with AlphaLoops for Brokers →](/lp/broker-vetting) ### Related Companies 5 found Who this carrier is linked to and how — shared officers, common addresses, and entities under the same ownership. Included in the full report → ### Service Regions Active in 21 states Top states: CA AZ NM TX AR Full state-by-state operating volumes, inspection locations, and lane coverage analysis. Included in the full report → ### CSA Safety Scores 5 BASICs 5 BASICs measured Percentile rankings pending FMCSA publication — raw measures + violations available in the report. Full BASIC percentiles, measure scores, BASIC + roadside alerts, and Acute Carrier flags from the latest FMCSA SMS snapshot. Included in the full report → ## Operating Authority Common Authority Holds Active Authority(47.7 years) Contract Authority Holds Active Authority(45.1 years) Broker Authority Inactive Authority(40.6 years) ### Insurance & Coverage BIPD, cargo, and excess liability coverage amounts, policy history, and insurer names. Included in the full report → ## Contact Information 6233864511 Physical Address 23860 W US HWY 85 BUCKEYE, AZ 85326 ## Cargo & Operations Cargo Carried General Freight Building Materials Intermodal Grainfeed Chemicals Cold Food Paper Products ### Violations by Category 324 total Most common category Vehicle Maintenance · 30% of violations across 8 categories Full violation breakdown by category, out-of-service rates, and historical trends over time. Included in the full report → ### Fleet Analytics 359 trucks Top manufacturers KENWORTH FREIGHTLINER PETERBILT Sample units 1XKYD49X6RJ3XXXXX 2024 KENWORTH T680 1XKYD49XXRJ3XXXXX 2024 KENWORTH T680 Full manufacturer, model, and model-year breakdown plus the VIN-level fleet roster. Included in the full report → Are you DUNCAN & SON LINES INC? Claim this profile to respond to reviews, keep your info current, and dispute inaccurate signals. Free forever. Claim this profile Vet at Scale ## Need more than a one-off vetting report? 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