Carrier profile · USDOT 3439533 · Updated Jun 13, 2026
DIAMOND WHOLESALE CO
1 power unitavg 14 yrRegional · 3 statesOLYPHANT, PA50/100
AUTHORITY STATUS UNKNOWN
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 1019 UNDERWOOD RD, OLYPHANT, PA, 18447
- Mailing address
- 16-00 ROUTE 208 SUITE 203, FAIRLAWN, NJ, 07410
- Operation
- Interstate
Contact
- Phone
- (201) 727-9595
- Cell
- (201) 780-5525
- Fax
- (201) 440-4018
- barbara@diamondw.org
- Web domain
- diamondw.org
Registration
- Officers
- Barbara Polina · Kenneth Macdonald
- USDOT / docket
- 3439533
- First registered
- Jun 12, 2020
- Last MCS-150
- Apr 20, 2026 · 52,000 mi (2025)
- FMCSA safety rating
- Not rated
- Recordable crash rate
- 0.00
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.