M KORSON & CO INC
USDOT 24472 • 91 WASHINGTON STREET, SOMERVILLE, MA, 02143
Overview
Company profile from FMCSA Census File
Risk Signals1 flagged
Signals are auto-detected from FMCSA public records. This is not a regulatory determination.
Authority & Insurance
Operating authority, insurance filings, and BOC-3 status
Operating Authority
Active Insurance (3)
| Insurer | Type | Policy # | Status | Effective | Cancel Date |
|---|---|---|---|---|---|
| SAFETY INSURANCE CO. | BIPD/Primary | 5923008 | ON FILE | Jan 7, 2026 | Mar 7, 2026 |
| HANOVER INSURANCE CO. | BIPD | AFN 6871252 | ACTIVE | Dec 14, 2008 | — |
| GENERAL STAR INDEMNITY COMPANY | BIPD/Excess | IXG347231B | ON FILE | Dec 14, 1998 | Dec 14, 1999 |
Insurance History (41 canceled/expired)
| Insurer | Type | Policy # | Status | Effective | Cancel Date |
|---|---|---|---|---|---|
| SAFETY INSURANCE CO. | BIPD/Primary | 5923008 | REPLACED | Jan 18, 2024 | Jan 7, 2026 |
| SAFETY INSURANCE CO. | BIPD/Primary | 5923008 | CANCELLED | Jan 18, 2024 | Jan 10, 2026 |
| SAFETY INSURANCE CO. | BIPD/Primary | 5923008 | REPLACED | Nov 28, 2023 | Jan 18, 2024 |
| SAFETY INSURANCE CO. | BIPD/Primary | 5923008 | CANCELLED | Nov 28, 2023 | Feb 10, 2024 |
| SAFETY INSURANCE CO. | BIPD/Primary | 5923008 | REPLACED | Jan 30, 2023 | Nov 28, 2023 |
| SAFETY INSURANCE CO. | BIPD/Primary | 5923008 | CANCELLED | Jan 30, 2023 | Dec 13, 2023 |
| SAFETY INSURANCE CO. | BIPD/Primary | 5923008 | REPLACED | Dec 20, 2022 | Jan 30, 2023 |
| SAFETY INSURANCE CO. | BIPD/Primary | 5923008 | CANCELLED | Dec 20, 2022 | Feb 17, 2023 |
| SAFETY INSURANCE CO. | BIPD/Primary | 5923008 | CANCELLED | Jan 1, 2022 | Jan 2, 2023 |
| SAFETY INSURANCE CO. | BIPD/Primary | 5923008 | REPLACED | Jan 1, 2022 | Dec 20, 2022 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2709571 | REPLACED | Apr 3, 2020 | Jan 1, 2022 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2709571 | REPLACED | Jan 1, 2019 | Apr 3, 2020 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2709571 | CANCELLED | Jan 1, 2019 | Apr 13, 2020 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2706241 | REPLACED | Jul 27, 2018 | Jan 1, 2019 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2706241 | CANCELLED | Apr 30, 2018 | Aug 16, 2018 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2706241 | REPLACED | Apr 30, 2018 | Jul 27, 2018 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2706241 | REPLACED | Feb 5, 2018 | Apr 30, 2018 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2706241 | CANCELLED | Feb 5, 2018 | May 17, 2018 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2706241 | REPLACED | Apr 28, 2017 | Feb 5, 2018 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2706241 | CANCELLED | Apr 28, 2017 | Feb 23, 2018 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2706241 | REPLACED | Jan 1, 2017 | Apr 28, 2017 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2706241 | CANCELLED | Jan 1, 2017 | May 6, 2017 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2704653 | REPLACED | Feb 10, 2016 | Jan 1, 2017 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2704653 | CANCELLED | Feb 10, 2016 | Mar 6, 2017 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2704653 | REPLACED | Apr 10, 2015 | Feb 10, 2016 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2704653 | CANCELLED | Apr 10, 2015 | Feb 26, 2016 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2704653 | CANCELLED | May 28, 2014 | Apr 29, 2015 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2704653 | REPLACED | May 28, 2014 | Apr 10, 2015 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2704653 | CANCELLED | Dec 14, 2013 | Jun 28, 2014 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2704653 | REPLACED | Dec 14, 2013 | May 28, 2014 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2704124 | REPLACED | Dec 14, 2011 | Dec 14, 2013 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2703014 | REPLACED | May 27, 2010 | Dec 14, 2011 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2703014 | CANCELLED | Dec 14, 2008 | Jun 12, 2010 |
| SAFETY INSURANCE CO. | BIPD/Primary | 2703014 | REPLACED | Dec 14, 2008 | May 27, 2010 |
| HANOVER INSURANCE CO. | BIPD/Primary | AFN 6871252 | CANCELLED | Dec 14, 2007 | Dec 14, 2008 |
| HANOVER INSURANCE CO. | BIPD/Primary | AFN6871252 | REPLACED | Dec 14, 2002 | Dec 14, 2007 |
| HANOVER INSURANCE CO. | BIPD/Primary | AFN5869814 | REPLACED | Dec 14, 1999 | Dec 14, 1999 |
| HANOVER INSURANCE CO. | BIPD/Primary | AFN 586 98 14 | CANCELLED | Dec 14, 1999 | Mar 22, 2003 |
| HANOVER INSURANCE CO. | BIPD/Primary | AFN5869814 | CANCELLED | Feb 14, 1998 | Dec 27, 2002 |
| UNITED STATES FIDELITY & GUARANTY CO. | BIPD/Primary | XM7473070 | REPLACED | Dec 14, 1987 | Dec 14, 2002 |
| NORTH STAR REINSURANCE CORPORATION | BIPD/Excess | NSX47192 | CANCELLED | Jan 4, 1985 | Jan 12, 2004 |
Insurance Events Timeline
| Event | Insurer | Policy # | Type | Event Date | Cancel Date |
|---|---|---|---|---|---|
| CANC/CANCL | HANOVER INSURANCE CO. | AFN 6871252 | BIPD | Unknown | Unknown |
| CANCEL | SAFETY INSURANCE CO. | 5923008 | BIPD/Primary | Mar 7, 2026 | Mar 7, 2026 |
| TERM/CANCL | SAFETY INSURANCE CO. | 5923008 | BIPD/Primary | Jan 10, 2026 | Jan 10, 2026 |
| TERM/REPL | SAFETY INSURANCE CO. | 5923008 | BIPD/Primary | Jan 7, 2026 | Jan 7, 2026 |
| TERM/CANCL | SAFETY INSURANCE CO. | 5923008 | BIPD/Primary | Feb 10, 2024 | Feb 10, 2024 |
| TERM/REPL | SAFETY INSURANCE CO. | 5923008 | BIPD/Primary | Jan 18, 2024 | Jan 18, 2024 |
| TERM/CANCL | SAFETY INSURANCE CO. | 5923008 | BIPD/Primary | Dec 13, 2023 | Dec 13, 2023 |
| TERM/REPL | SAFETY INSURANCE CO. | 5923008 | BIPD/Primary | Nov 28, 2023 | Nov 28, 2023 |
| TERM/CANCL | SAFETY INSURANCE CO. | 5923008 | BIPD/Primary | Feb 17, 2023 | Feb 17, 2023 |
| TERM/REPL | SAFETY INSURANCE CO. | 5923008 | BIPD/Primary | Jan 30, 2023 | Jan 30, 2023 |
| TERM/CANCL | SAFETY INSURANCE CO. | 5923008 | BIPD/Primary | Jan 2, 2023 | Jan 2, 2023 |
| TERM/REPL | SAFETY INSURANCE CO. | 5923008 | BIPD/Primary | Dec 20, 2022 | Dec 20, 2022 |
| TERM/REPL | SAFETY INSURANCE CO. | 2709571 | BIPD/Primary | Jan 1, 2022 | Jan 1, 2022 |
| TERM/CANCL | SAFETY INSURANCE CO. | 2709571 | BIPD/Primary | Apr 13, 2020 | Apr 13, 2020 |
| TERM/REPL | SAFETY INSURANCE CO. | 2709571 | BIPD/Primary | Apr 3, 2020 | Apr 3, 2020 |
| TERM/REPL | SAFETY INSURANCE CO. | 2706241 | BIPD/Primary | Jan 1, 2019 | Jan 1, 2019 |
| TERM/CANCL | SAFETY INSURANCE CO. | 2706241 | BIPD/Primary | Aug 16, 2018 | Aug 16, 2018 |
| TERM/REPL | SAFETY INSURANCE CO. | 2706241 | BIPD/Primary | Jul 27, 2018 | Jul 27, 2018 |
| TERM/CANCL | SAFETY INSURANCE CO. | 2706241 | BIPD/Primary | May 17, 2018 | May 17, 2018 |
| TERM/REPL | SAFETY INSURANCE CO. | 2706241 | BIPD/Primary | Apr 30, 2018 | Apr 30, 2018 |
| TERM/CANCL | SAFETY INSURANCE CO. | 2706241 | BIPD/Primary | Feb 23, 2018 | Feb 23, 2018 |
| TERM/REPL | SAFETY INSURANCE CO. | 2706241 | BIPD/Primary | Feb 5, 2018 | Feb 5, 2018 |
| TERM/CANCL | SAFETY INSURANCE CO. | 2706241 | BIPD/Primary | May 6, 2017 | May 6, 2017 |
| TERM/REPL | SAFETY INSURANCE CO. | 2706241 | BIPD/Primary | Apr 28, 2017 | Apr 28, 2017 |
| TERM/CANCL | SAFETY INSURANCE CO. | 2704653 | BIPD/Primary | Mar 6, 2017 | Mar 6, 2017 |
| TERM/REPL | SAFETY INSURANCE CO. | 2704653 | BIPD/Primary | Jan 1, 2017 | Jan 1, 2017 |
| TERM/CANCL | SAFETY INSURANCE CO. | 2704653 | BIPD/Primary | Feb 26, 2016 | Feb 26, 2016 |
| TERM/REPL | SAFETY INSURANCE CO. | 2704653 | BIPD/Primary | Feb 10, 2016 | Feb 10, 2016 |
| TERM/CANCL | SAFETY INSURANCE CO. | 2704653 | BIPD/Primary | Apr 29, 2015 | Apr 29, 2015 |
| TERM/REPL | SAFETY INSURANCE CO. | 2704653 | BIPD/Primary | Apr 10, 2015 | Apr 10, 2015 |
| TERM/CANCL | SAFETY INSURANCE CO. | 2704653 | BIPD/Primary | Jun 28, 2014 | Jun 28, 2014 |
| TERM/REPL | SAFETY INSURANCE CO. | 2704653 | BIPD/Primary | May 28, 2014 | May 28, 2014 |
| TERM/REPL | SAFETY INSURANCE CO. | 2704124 | BIPD/Primary | Dec 14, 2013 | Dec 14, 2013 |
| TERM/REPL | SAFETY INSURANCE CO. | 2703014 | BIPD/Primary | Dec 14, 2011 | Dec 14, 2011 |
| TERM/CANCL | SAFETY INSURANCE CO. | 2703014 | BIPD/Primary | Jun 12, 2010 | Jun 12, 2010 |
| TERM/REPL | SAFETY INSURANCE CO. | 2703014 | BIPD/Primary | May 27, 2010 | May 27, 2010 |
| CANCEL | HANOVER INSURANCE CO. | AFN 6871252 | BIPD/Primary | Dec 14, 2008 | Dec 14, 2008 |
| TERM/REPL | HANOVER INSURANCE CO. | AFN6871252 | BIPD/Primary | Dec 14, 2007 | Dec 14, 2007 |
| CANCEL | NORTH STAR REINSURANCE CORPORATION | NSX47192 | BIPD/Excess | Jan 12, 2004 | Jan 12, 2004 |
| CANCEL | HANOVER INSURANCE CO. | AFN 586 98 14 | BIPD/Primary | Mar 22, 2003 | Mar 22, 2003 |
| CANCEL | HANOVER INSURANCE CO. | AFN5869814 | BIPD/Primary | Dec 27, 2002 | Dec 27, 2002 |
| TERM/REPL | UNITED STATES FIDELITY & GUARANTY CO. | XM7473070 | BIPD/Primary | Dec 14, 2002 | Dec 14, 2002 |
| TERM/REPL | HANOVER INSURANCE CO. | AFN5869814 | BIPD/Primary | Dec 14, 1999 | Dec 14, 1999 |
| CANCEL | GENERAL STAR INDEMNITY COMPANY | IXG347231B | BIPD/Excess | Dec 14, 1999 | Dec 14, 1999 |
Authority Revocations
| Authority | Docket | Reason | Date |
|---|---|---|---|
| COMMON | MC-008022 | INVOLUNTARY REVOCATION | Unknown |
| CONTRACT | MC-143987 | INVOLUNTARY REVOCATION | Unknown |
Authority Action History (23 events)
| Docket | Authority Type | Original Action | Served Date | Disposition | Decided Date |
|---|---|---|---|---|---|
| MC143987 | CONTRACT | INVOLUNTARY REVOCATION | Dec 15, 2025 | DISCONTINUED REVOCATION | Jan 8, 2026 |
| MC143987 | CONTRACT | INVOLUNTARY REVOCATION | Jan 16, 2024 | DISCONTINUED REVOCATION | Jan 19, 2024 |
| MC143987 | CONTRACT | INVOLUNTARY REVOCATION | Nov 16, 2023 | DISCONTINUED REVOCATION | Nov 29, 2023 |
| MC143987 | CONTRACT | INVOLUNTARY REVOCATION | Jan 23, 2023 | DISCONTINUED REVOCATION | Jan 31, 2023 |
| MC143987 | CONTRACT | INVOLUNTARY REVOCATION | Dec 6, 2022 | DISCONTINUED REVOCATION | Dec 21, 2022 |
| MC143987 | CONTRACT | INVOLUNTARY REVOCATION | Mar 17, 2020 | DISCONTINUED REVOCATION | Apr 6, 2020 |
| FF036235 | PROPERTY FREIGHT FORWARDER | DISMISSED | Feb 21, 2020 | — | Unknown |
| MC143987 | CONTRACT | INVOLUNTARY REVOCATION | Jul 20, 2018 | DISCONTINUED REVOCATION | Jul 30, 2018 |
| MC143987 | CONTRACT | INVOLUNTARY REVOCATION | Apr 20, 2018 | DISCONTINUED REVOCATION | May 1, 2018 |
| MC143987 | CONTRACT | INVOLUNTARY REVOCATION | Jan 29, 2018 | DISCONTINUED REVOCATION | Feb 6, 2018 |
| MC143987 | CONTRACT | INVOLUNTARY REVOCATION | Apr 10, 2017 | DISCONTINUED REVOCATION | May 1, 2017 |
| MC143987 | CONTRACT | INVOLUNTARY REVOCATION | Feb 7, 2017 | DISCONTINUED REVOCATION | Feb 15, 2017 |
| MC143987 | CONTRACT | INVOLUNTARY REVOCATION | Feb 1, 2016 | DISCONTINUED REVOCATION | Feb 11, 2016 |
| MC143987 | CONTRACT | INVOLUNTARY REVOCATION | Apr 2, 2015 | DISCONTINUED REVOCATION | Apr 13, 2015 |
| MC143987 | CONTRACT | INVOLUNTARY REVOCATION | May 17, 2010 | DISCONTINUED REVOCATION | May 28, 2010 |
| MC143987 | CONTRACT | INVOLUNTARY REVOCATION | Nov 17, 2008 | DISCONTINUED REVOCATION | Nov 19, 2008 |
| MC143987 | CONTRACT | INVOLUNTARY REVOCATION | Nov 8, 2005 | DISCONTINUED REVOCATION | Nov 22, 2005 |
| MC008022 | MOTOR PROPERTY COMMON CARRIER | GRANTED | Jan 16, 1987 | REVOKED | Feb 29, 2000 |
| MC008022 | MOTOR PROPERTY COMMON CARRIER | GRANTED | Apr 6, 1982 | REVOKED | Feb 29, 2000 |
| MC008022 | MOTOR PROPERTY COMMON CARRIER | GRANTED | Jan 26, 1981 | REVOKED | Feb 29, 2000 |
| MC143987 | MOTOR PROPERTY CONTRACT CARRIER | GRANTED | Dec 2, 1980 | REVOKED | Jan 28, 2026 |
| MC008022 | MOTOR PROPERTY COMMON CARRIER | REJECTED | Nov 25, 1980 | — | Unknown |
| MC143987 | MOTOR PROPERTY CONTRACT CARRIER | GRANTED | Nov 6, 1978 | REVOKED | Jan 28, 2026 |
Safety & Inspections
SMS BASIC scores, inspection history, and out-of-service rates
SMS BASIC Scores
Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.
Inspection Activity (24 months)
Monthly inspection counts with OOS months highlighted. Hover bars for details.
Inspection Activity Map
7 states • 26 inspections
Violation Summary (31 violations from 26 inspections)
| Code | Description | # Violations | # OOS | Severity Wt | BASIC |
|---|---|---|---|---|---|
| FMCSR:392.2 | Operating a CMV while ill or fatigued | 14 | 0 | 8 | Unsafe Driving |
| FMCSR:393.9A-HLLH | Inoperable required lamps | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:392.2-SLLLR | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:395.22H4-ELDBRODS | HOS (ELD) - In-Vehicle Information - Failing to have a supply of blank driver's records of duty status graph-grids sufficient to record the driver's duty status a | 1 | 0 | — | Hours Of Service |
| FMCSR:392.2-SLLTL | Operating a CMV while ill or fatigued | 1 | 0 | 8 | Unsafe Driving |
| FMCSR:392.2-SLLS4 | Speeding 15+ mph over limit | 1 | 0 | 10 | Unsafe Driving |
| FMCSR:395.8E-HOSPD | False record of duty status | 1 | 0 | 10 | Hours Of Service |
| FMCSR:395.30B1-ELDDFR | HOS (ELD) - Driver failing to review records and certify the accuracy of the information. | 1 | 0 | — | Hours Of Service |
| FMCSR:393.75A3-TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | 1 | 1 | — | Vehicle Maintenance |
| FMCSR:393.95A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | 1 | 0 | — | Vehicle Maintenance |
| FMCSR:396.17C-PI | No proof of periodic inspection | 1 | 0 | 3 | Vehicle Maintenance |
| FMCSR:393.45D-B | Brake tubing/hoses inadequate | 1 | 0 | 7 | Vehicle Maintenance |
| FMCSR:395.8(f)(1) | Drivers record of duty status not current | 1 | 0 | — | Hours Of Service |
| FMCSR:390.21T(b) | 390.21T(b) | 1 | 0 | — | General/Admin |
| FMCSR:393.9(a) | Inoperable required lamps | 1 | 1 | 3 | Vehicle Maintenance |
| FMCSR:395.30(b)(1) | Driver failed to certify the accuracy of the information gathered by the ELD | 1 | 0 | — | Hours Of Service |
| FMCSR:395.3(a)(3)(i) | 395.3(a)(3)(i) | 1 | 0 | — | Hours Of Service |
| FMCSR:395.3(a)(2) | Driving beyond 11-hour driving limit | 1 | 0 | 7 | Hours Of Service |
Peer Context
This carrier vs national averages. Lower is better for all metrics.
National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.
Inspection History (26 inspections)
Inspection analytics
Monthly cadence, frequent stations, and violation mix
Inspections per month (24 mo)
Most frequent inspection stations
Violations by BASIC category
Recent Crashes
25 crash records from FMCSA Crash File
Crash History (25 records)
| Date | State | Severity | Fatalities | Injuries | City | Location | VIN | Carrier Name at Crash |
|---|---|---|---|---|---|---|---|---|
| Aug 3, 2023 | CT | TOW | 0 | 0 | WATERBURY | 84-W | ...037642 | M KORSON & CO INC |
| Feb 11, 2023 | NJ | INJURY | 0 | 1 | UPPER DEERFIELD TWP | NJ 56 (Landis Avenue) | ...523737 | M KORSON & CO INC |
| Dec 12, 2022 | CT | TOW | 0 | 0 | Fairfield | 95-S | ...012011 | M KORSON & CO INC |
| Jul 15, 2022 | CT | TOW | 0 | 0 | WESTPORT | 95-N | ...075491 | M KORSON & CO INC |
| May 28, 2022 | MA | TOW | 0 | 0 | NORTH ANDOVER | 100 TURNPIKE ST | ...030458 | M KORSON & CO INC |
| May 13, 2022 | CT | INJURY | 0 | 1 | STRATFORD | 95-N | ...023944 | M KORSON & CO INC |
| Oct 1, 2021 | CT | TOW | 0 | 0 | STAMFORD | 95-S | ...075673 | M KORSON & CO INC |
| Jun 7, 2021 | CT | TOW | 0 | 0 | Greenwich | 95-S | ...075491 | M KORSON & CO INC |
| Aug 20, 2020 | NY | INJURY | 0 | 1 | — | — | — | — |
| Dec 12, 2019 | NY | TOW | 0 | 0 | — | — | — | — |
| Oct 30, 2018 | NY | INJURY | 0 | 1 | — | — | — | — |
| Oct 15, 2017 | NY | INJURY | 0 | 2 | — | — | — | — |
| Aug 26, 2017 | DE | INJURY | 0 | 1 | — | — | — | — |
| Jun 2, 2017 | CT | TOW | 0 | 0 | — | — | — | — |
| Feb 17, 2017 | NJ | TOW | 0 | 0 | — | — | — | — |
| Jan 18, 2017 | NH | INJURY | 0 | 1 | — | — | — | — |
| Nov 9, 2016 | NJ | FATAL | 1 | 0 | — | — | — | — |
| Jun 14, 2016 | CT | INJURY | 0 | 3 | — | — | — | — |
| Aug 14, 2015 | NY | TOW | 0 | 0 | — | — | — | — |
| May 13, 2015 | NJ | TOW | 0 | 0 | — | — | — | — |
| Nov 20, 2014 | RI | INJURY | 0 | 1 | — | — | — | — |
| Jun 7, 2014 | NJ | INJURY | 0 | 2 | — | — | — | — |
| Nov 16, 2012 | NY | TOW | 0 | 0 | — | — | — | — |
| Aug 30, 2012 | NJ | TOW | 0 | 0 | — | — | — | — |
| Feb 10, 2010 | CT | TOW | 0 | 0 | — | — | — | — |
Compliance Timeline
70 events merged from authority, insurance, enforcement, OOS, crash, MCS-150, and safety rating records
Showing most recent 25 of 70 events