--- title: "CARR AND DUFF LLC | DOT 511921 | Carrier Profile" url: https://runalphaloops.com/carrier/pa/511921/carr-and-duff-llc description: "CARR AND DUFF LLC is a interstate carrier based in HUNTINGDON VALLEY, PA. Fleet size: 322 power units, 105 drivers. DOT# 511921." lang: en --- Active Interstate # CARR AND DUFF LLC Risk score · full evidence · 72-hour access · No account required DOT # 511921 Location HUNTINGDON VALLEY, PA Phone 2156724200 Power Units 322 Drivers 105 Trailers 5 Annual Miles In full report Entity Type CORPORATION MCS-150 Date Jan 6, 2026 ## Risk Signals — CARR AND DUFF LLC Scanning active / 10 NOT RATED 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. One-time · no account required ## Inspection Summary Recent Inspections (90 Days) 2 Vehicle OOS Rate 0% 0 of 2 National avg ~21% Driver OOS Rate 0% 0 of 2 National avg ~5% OOS Inspections 0 Driver + Vehicle OOS Most recent Aug 10, 2026 · PA Clean rate (90d) 32% Every inspection with date, location, level, violations found, and out-of-service results. ## Crash Summary Total Crashes 15 All time Fatalities 0 Injuries 20 Tow-Away 13 ## Counterparty Reports Email-verified, moderated transaction reports from brokers, shippers, and carriers who worked with CARR AND DUFF LLC. No verified counterparty reports yet Worked a load with CARR AND DUFF LLC? Be the first to report how it went. ## About CARR AND DUFF LLC Carr & Duff, LLC is a family-owned business specializing in electrical construction with over 60 years of experience, serving the Philadelphia area and other locations along the East Coast. #### Key Features Electrical Construction Emergency Services Solar Construction Communication Systems Maintenance and Repair ### Service Regions Active in 2 states Top states: PA NJ Full state-by-state operating volumes, inspection locations, and lane coverage analysis. ### 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. ## Operating Authority Common Authority N/A Contract Authority N/A Broker Authority N/A ### Insurance & Coverage BIPD, cargo, and excess liability coverage amounts, policy history, and insurer names. ## Contact Information 2156724200 Physical Address 2100 BYBERRY ROAD HUNTINGDON VALLEY, PA 19006 ## Cargo & Operations Cargo Carried Log Pole Machinery Garbage Utilities Construction ### Violations by Category 14 total Most common category General Safety · 43% of violations across 6 categories Full violation breakdown by category, out-of-service rates, and historical trends over time. ### Fleet Analytics 36 trucks Top manufacturers FREIGHTLINER FORD INTERNATIONAL Sample units 1FDUF4GY4FEAXXXXX 2015 FORD F550 1FDUF5HT8FEBXXXXX 2015 FORD F550 SD Full manufacturer, model, and model-year breakdown plus the VIN-level fleet roster. Are you CARR AND DUFF LLC? Claim this profile to respond to reviews, keep your info current, and dispute inaccurate signals. Free forever. Vet at Scale ## Need more than a one-off vetting report? Unlimited vetting across every U.S. carrier, monitored continuously — with insurance, risk, contacts, and crash data built into your workflow. See AlphaLoops for Brokers: https://runalphaloops.com/lp/broker-vetting Free trial · no credit card upfront Covers every U.S. carrier Risk score · evidence · 72h access ## Structured data ```json [ { "@context": "https://schema.org", "@type": "LocalBusiness", "name": "CARR AND DUFF LLC", "url": "https://runalphaloops.com/carrier/pa/511921/carr-and-duff-llc", "areaServed": [ { "@type": "State", "name": "PA" }, { "@type": "State", "name": "NJ" } ], "address": { "@type": "PostalAddress", "streetAddress": "2100 BYBERRY ROAD", "addressLocality": "HUNTINGDON VALLEY", "addressRegion": "PA", "postalCode": "19006", "addressCountry": "US" }, "telephone": "2156724200", "identifier": [ { "@type": "PropertyValue", "name": "DOT Number", "value": "511921" } ], "numberOfEmployees": { "@type": "QuantitativeValue", "value": 105 } }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What is CARR AND DUFF LLC's DOT number?", "acceptedAnswer": { "@type": "Answer", "text": "CARR AND DUFF LLC's USDOT number is 511921. These numbers are assigned by the Federal Motor Carrier Safety Administration (FMCSA)." } }, { "@type": "Question", "name": "Where is CARR AND DUFF LLC located?", "acceptedAnswer": { "@type": "Answer", "text": "CARR AND DUFF LLC is based in HUNTINGDON VALLEY, PA 19006. They can be reached at 2156724200." } }, { "@type": "Question", "name": "How large is CARR AND DUFF LLC's fleet?", "acceptedAnswer": { "@type": "Answer", "text": "CARR AND DUFF LLC operates 322 power units with 105 drivers." } }, { "@type": "Question", "name": "Is CARR AND DUFF LLC currently active?", "acceptedAnswer": { "@type": "Answer", "text": "CARR AND DUFF LLC'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/" } ] ```