Carrier profile · USDOT 4390639 · FMCSA data fetched 2026-10-31
EFR MECHANICAL LLC
1 power units2 driversInterstateWALTHAM, MA
Census status Active (A)
Official links FMCSA SAFER
← Back to overviewIdentity & Federal · USDOT 4390639
05
Identity & Federal
Source: FMCSA Company Census (az4n-8mr2) · raw queryDataset updated 2026-10-30 14:55 UTCFetched 2026-10-31 02:41 UTC
- Legal name
- EFR MECHANICAL LLC
- DBA
- Not provided
- USDOT
- 4390639
- MC / FF / MX
- Not provided
- Physical address
- 108 CLEMATIS AVE STE 5, WALTHAM, MA, 02453-7040, US
- Mailing address
- 108 CLEMATIS AVE STE 5, WALTHAM, MA, 02453-7040, US
- Business type
- Not provided
- Carrier/shipper code
- C
- Census add date
- 2025-04-07
- MCS-150 filing date
- 2026-10-12
- Power units / drivers
- 1 / 2
- Latest review (type · date)
- Not provided
06
Federal activity
- 2026-10-12Census
Latest MCS-150 filing
- 2025-04-07Census
Added to FMCSA registration
Built only from dates in the sources above. Authority changes use FMCSA's own change date (yu5v-wbh6).
Changes observed by VAX monitoring
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