Carrier profile · USDOT 3334044 · Updated Jul 3, 2026

PLANT GROWTH SCIENCES INC

5 power unitsLONGMONT, CO50/100
AUTHORITY STATUS UNKNOWNRATED CONDITIONAL
Verified linksFMCSA SAFER

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
21 EAST 2ND AVENUE, LONGMONT, CO, 80501
Operation
Interstate

Contact

Phone
(303) 776-3535
Email
—

Registration

Officer
Darren Smith
USDOT / docket
3334044
First registered
Sep 12, 2019
Last MCS-150
Jun 28, 2024 · 25,674 mi (2023)
FMCSA safety rating
Conditional · Dec 25, 2019
D-U-N-S
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Fleet (self-reported · MCS-150)

5Power units
5Drivers
4CDL drivers
25,674Annual mileage

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.