--- title: "SOUTHERN MAIL SERVICE INC | DOT 172954 | Carrier Profile" url: https://runalphaloops.com/carrier/tx/172954/southern-mail-service-inc description: "SOUTHERN MAIL SERVICE INC is a interstate carrier based in CONROE, TX. Fleet size: 361 power units, 355 drivers. DOT# 172954, MC# 1535071." lang: en --- Active Interstate # SOUTHERN MAIL SERVICE INC Risk score · full evidence · 72-hour access · No account required DOT # 172954 MC # 1535071 Location CONROE, TX Phone 8009585844 Power Units 361 Drivers 355 Trailers 216 Annual Miles In full report Entity Type CORPORATION MCS-150 Date May 13, 2026 ## Risk Signals — SOUTHERN MAIL SERVICE 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 3 fleet VINs 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) 18 Vehicle OOS Rate 27.8% 5 of 18 National avg ~21% Driver OOS Rate 0% 0 of 18 National avg ~5% OOS Inspections 5 Driver + Vehicle OOS Most recent Sep 3, 2026 · LA Clean rate (90d) 60% Every inspection with date, location, level, violations found, and out-of-service results. ## Crash Summary Total Crashes 295 All time Fatalities 19 Injuries 172 Tow-Away 277 ## Counterparty Reports Email-verified, moderated transaction reports from brokers, shippers, and carriers who worked with SOUTHERN MAIL SERVICE INC. No verified counterparty reports yet Worked a load with SOUTHERN MAIL SERVICE INC? Be the first to report how it went. ## About SOUTHERN MAIL SERVICE INC Southern Mail Service, Inc. is an award-winning highway contractor for the United States Postal Service based in Houston, Texas, with additional terminals in Dallas, San Antonio, Austin, Baton Rouge, Chicago, and Bloomsburg, Pennsylvania. The family-owned trucking company operates over 500 drivers and is part of a larger logistics organization offering integrated transportation management and logistics solutions focused on on-time, reliable delivery. ### Key Contacts 3 on file By Seniority Director · 2 Manager · 1 By Function Fulfillment · 1 HR · 1 Manufacturing · 1 Names, titles, emails, and direct phone numbers for this carrier's decision-makers — included with your AlphaLoops trial. Included with AlphaLoops for Brokers → (https://runalphaloops.com/lp/broker-vetting) ### Related Companies 1 found Who this carrier is linked to and how — shared officers, common addresses, and entities under the same ownership. ### Service Regions Active in 25 states Top states: TX NM CA IN LA 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 Holds Active Authority(3.4 years) Contract Authority No Authority Broker Authority No Authority ### Insurance & Coverage BIPD, cargo, and excess liability coverage amounts, policy history, and insurer names. ## Contact Information 8009585844 Physical Address 2505 N FRAZIER CONROE, TX 77303 ## Cargo & Operations Cargo Carried General Freight US Mail Paper Products ### Violations by Category 82 total Most common category Vehicle Maintenance · 46% of violations across 5 categories Full violation breakdown by category, out-of-service rates, and historical trends over time. ### Fleet Analytics 260 trucks Top manufacturers VOLVO FREIGHTLINER MACK Sample units 057207423511XXXXX 2005 KENWORTH 357 4V4NC9EH8HN9XXXXX 2017 VOLVO VNL64T300 Full manufacturer, model, and model-year breakdown plus the VIN-level fleet roster. Are you SOUTHERN MAIL SERVICE INC? 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": "SOUTHERN MAIL SERVICE INC", "url": "https://runalphaloops.com/carrier/tx/172954/southern-mail-service-inc", "areaServed": [ { "@type": "State", "name": "TX" }, { "@type": "State", "name": "NM" }, { "@type": "State", "name": "CA" }, { "@type": "State", "name": "IN" }, { "@type": "State", "name": "LA" } ], "address": { "@type": "PostalAddress", "streetAddress": "2505 N FRAZIER", "addressLocality": "CONROE", "addressRegion": "TX", "postalCode": "77303", "addressCountry": "US" }, "telephone": "8009585844", "identifier": [ { "@type": "PropertyValue", "name": "DOT Number", "value": "172954" }, { "@type": "PropertyValue", "name": "MC Number", "value": "1535071" } ], "numberOfEmployees": { "@type": "QuantitativeValue", "value": 355 } }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "What is SOUTHERN MAIL SERVICE INC's DOT number?", "acceptedAnswer": { "@type": "Answer", "text": "SOUTHERN MAIL SERVICE INC's USDOT number is 172954. Their motor carrier number (MC#) is 1535071. These numbers are assigned by the Federal Motor Carrier Safety Administration (FMCSA)." } }, { "@type": "Question", "name": "Where is SOUTHERN MAIL SERVICE INC located?", "acceptedAnswer": { "@type": "Answer", "text": "SOUTHERN MAIL SERVICE INC is based in CONROE, TX 77303. They can be reached at 8009585844." } }, { "@type": "Question", "name": "How large is SOUTHERN MAIL SERVICE INC's fleet?", "acceptedAnswer": { "@type": "Answer", "text": "SOUTHERN MAIL SERVICE INC operates 361 power units with 355 drivers." } }, { "@type": "Question", "name": "Is SOUTHERN MAIL SERVICE INC currently active?", "acceptedAnswer": { "@type": "Answer", "text": "SOUTHERN MAIL SERVICE 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/" } ] ```