MAYFIELD SITE CONTRACTORS INC
USDOT 2144345 • 596 SWEDELAND ROAD, KING OF PRUSSIA, PA, 19406
ACTIVE
Authority:None on file
Insurance:None on file
BOC-3:Not on file
Safety Rating:Not rated
MCS-150:Never updated
OOS Orders:None
Overview
Company profile from FMCSA Census File
USDOT
2,144,345
Status
ACTIVE
Operation
Interstate
State
Phone
6102792000
Email
Power Units (MCS-150)
6
Drivers (MCS-150)
5
MCS-150 Mileage
109,212
Physical Address
596 SWEDELAND ROAD, KING OF PRUSSIA, PA, 19406
Contact
Phone: 6102792000
Email: [email protected]
Authority & Insurance
Operating authority, insurance filings, and BOC-3 status
Active Authority
0
Revoked / Inactive
0
Authority Types
0
Insurance Policies
None on file
BOC-3 Filing
Not on file
Operating Authority
fmcsa-authhistApr 5, 2026
No records found
No insurance filings found for this carrier in FMCSA records.
Safety & Inspections
SMS BASIC scores, inspection history, and out-of-service rates
SMS BASIC Scores
Driver Fitness
30%
Hours of Service
N/A
Unsafe Driving
72%
Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.
Inspections
10
Violations
8
1 OOS
Vehicle OOS %
0.0%
Driver OOS %
10.0%
Above nat'l avg (6.7%)
Power Units (MCS-150)
6
Drivers (MCS-150)
5
Crash Records
1
Inspection Activity (24 months)
Monthly inspection counts with OOS months highlighted. Hover bars for details.
May
Jun
Jul
Aug
Sep
Oct
1
Nov
Dec
1
Jan
Feb
2
Mar
1
Apr
May
Jun
1
Jul
Aug
Sep
Oct
Nov
Dec
1
Jan
Feb
Mar
Apr
Clean monthMonth with OOSBased on latest 10 of 10 inspection records
Inspection Activity Map
1 state • 10 inspections
None Low Medium High🚛 Home base
Violation Summary (8 violations from 10 inspections)
fmcsa-inspection-file
| Code | Description | # Violations | # OOS | Severity Wt | BASIC |
|---|---|---|---|---|---|
| FMCSR:392.16AD | Failing to use seat belt (49 CFR) | 2 | 0 | 3 | Unsafe Driving |
| FMCSR:392.2-SLLSR | Operating a CMV while ill or fatigued | 2 | 0 | 8 | Unsafe Driving |
| FMCSR:391.41A-MCPC | Physical qualification - general | 1 | 0 | 7 | Driver Fitness |
| FMCSR:383.23A2-LCDLN | License (CDL) - Operate a CMV and does not possess a valid CDL | 1 | 1 | — | Driver Fitness |
| FMCSR:392.16-D | Failing to use seat belt (49 CFR) | 1 | 0 | 3 | Unsafe Driving |
| FMCSR:392.16(a) | Failing to use seat belt (49 CFR) | 1 | 0 | 3 | Unsafe Driving |
Peer Context
This carrier vs national averages. Lower is better for all metrics.
Vehicle OOS Rate
0.0%vs nat'l 23.4%
-23.4 pts below avg
Driver OOS Rate
10.0%vs nat'l 6.7%
+3.3 pts above avg
Violations / Inspection
0.80vs nat'l 1.80
-1.00 below avg
National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.
Inspection History (10 inspections)
fmcsa-inspectionsApr 5, 2026
| Date | Report # | Station | State | Level | Vehicle | Violations | Top Codes | OOS |
|---|---|---|---|---|---|---|---|---|
| Jan 15, 2026 | 86818381 | Roadside | PA | Level 3 | MACK STRAIGHT TRUCK | 2 | 392.16AD, 392.2-SLLSR | No |
| Jul 28, 2025 | 85351547 | ON POTSHOP RD AT ITS INTERSECT | PA | Level 3 | MACK STRAIGHT TRUCK | 0 | — | No |
| Apr 30, 2025 | 84556152 | Roadside | PA | Level 3 | MACK STRAIGHT TRUCK | 1 | 392.16AD | No |
| Mar 26, 2025 | 84251588 | CHESTER SPRINGS PA | PA | Level 3 | MACK STRAIGHT TRUCK | 2 | 391.41A-MCPC, 383.23A2-LCDLN | Yes |
| Mar 18, 2025 | 84167890 | 63RD STREET PHILADELPHIA - 63R | PA | Level 3 | MACK STRAIGHT TRUCK | 1 | 392.16-D | No |
| Jan 13, 2025 | 83602133 | ON SUMNEYTOWN PIKE AT ITS INTE | PA | Level 3 | MACK STRAIGHT TRUCK | 1 | 392.2-SLLSR | No |
| Nov 13, 2024 | 83161512 | WAYNE PA | PA | Level 3 | MACK STRAIGHT TRUCK | 0 | — | No |
| Mar 27, 2024 | 81250323 | 6800 BLK ESSINGTON AVE | PA | Level 3 | MACK STRAIGHT TRUCK | 0 | — | No |
| Sep 27, 2023 | 79787326 | I476 / NORTHEAST EXTENSION SB | PA | Level 3 | MACK STRAIGHT TRUCK | 1 | 392.16(a) | No |
| Aug 24, 2023 | 79510084 | GERMANTOWN PIKE/MAYFLOWER RD | PA | Level 3 | MACK STRAIGHT TRUCK | 0 | — | No |
Inspection analytics
Monthly cadence, frequent stations, and violation mix
Inspections per month (24 mo)
7 total · 14.3% OOS
2024-112026-01
InspectionsOOS
Most frequent inspection stations
Violations by BASIC category
Driver Fitness2 · 1 OOS
Recent Crashes
1 crash record from FMCSA Crash File
Total Crashes
1
Fatalities
0
Injuries
1
Across 1 crash
Tow-Aways
0
Crash History (1 records)
fmcsa-crash-fileApr 5, 2026
| Date | State | Severity | Fatalities | Injuries | City | Location | VIN | Carrier Name at Crash |
|---|---|---|---|---|---|---|---|---|
| Oct 15, 2024 | PA | INJURY | 0 | 1 | PHILADELPHIA CITY | MAIN ST | ...014805 | MAYFIELD SITE CONTRACTORS INC |
Compliance Timeline
1 event merged from authority, insurance, enforcement, OOS, crash, MCS-150, and safety rating records
Related Records
Related records
StateAll entities in Pennsylvania
Browse carriers, brokers, and FFs in PA
CityEntities in KING OF PRUSSIA, PA
Browse by city
Crashes1 crash records
FMCSA Crash File
Inspections10 inspection records
Full inspection history
StationON POTSHOP RD AT ITS INTERSECT
1 inspection at this station
StationCHESTER SPRINGS PA
1 inspection at this station
Station63RD STREET PHILADELPHIA - 63R
1 inspection at this station
CertificatesAuthority Certificate Lookup
Search MC, FF, MX certificates
RecallsRecalls & safety data
Check NHTSA recall campaigns
SearchSearch for another entity
Look up by USDOT, name, MC#, or VIN
Data sources & freshness
FMCSA Company Census File
Generated from 24-hour old database. Contact info and fleet counts may lag.
Updated 1 weeks ago
FMCSA Authority History
Updated 1 weeks ago
FMCSA Insurance Filings
Updated 1 weeks ago
FMCSA Vehicle Inspection File
Updated 1 weeks ago
Refresh dataLast updated: Apr 5, 2026