DIAMOND R FERTILIZER CO INC
FORT PIERCE, FL
08/08/1984
39
Power Units
27
Drivers
Current
as of today
Active · 39 power units · 27 drivers · Fort Pierce, FL
2026
Oct 2026
Address changed: FT PIERCE, FL → FORT PIERCE, FL
4100 GLADES CUT OFF RD, FT PIERCE, FL 34981 → 4100 GLADES CUT OFF RD, FORT PIERCE, FL 34981-4711
Oct 2026
Email changed
eric.lockhart@diamond-r.com → transportation@diamond-r.com
Oct 2026
Fleet grew 23 → 39 power units
Oct 2026
Driver count changed 32 → 27
Oct 2026
Officer change
TRACY KAY → MICHAEL HUDSON, TRACY KAY
Aug 2026
Address changed: FORT PIERCE, FL → FT PIERCE, FL
4100 GLADES CUT OFF RD, FORT PIERCE, FL 34981-4711 → 4100 GLADES CUT OFF RD, FT PIERCE, FL 34981
Aug 2026
Email changed
transportation@diamond-r.com → eric.lockhart@diamond-r.com
Aug 2026
Fleet reduced 39 → 23 power units
Aug 2026
Driver count changed 27 → 32
Aug 2026
Officer change
MICHAEL HUDSON, TRACY KAY → TRACY KAY, TRACY KAY
Aug 2026
Address changed: FT PIERCE, FL → FORT PIERCE, FL
4100 GLADES CUT OFF RD, FT PIERCE, FL 34981 → 4100 GLADES CUT OFF RD, FORT PIERCE, FL 34981-4711
Aug 2026
Phone changed
17724649300 → 7724649300
Aug 2026
Email changed
eric.lockhart@diamond-r.com → transportation@diamond-r.com
Apr 22, 2026
MCS-150 biennial update filed
Reported mileage: 850,000 (2025)
Reported power units: 39
Reported drivers: 38 → 27
Reported trailers: 287
2025
May 2, 2025
MCS-150 biennial update filed
Reported mileage: 850,000 (2025)
Reported power units: 35 → 39
Reported drivers: 29 → 38
Reported trailers: 287
Apr 2025
Email changed
wayne.prevatt@diamond-r.com → eric.lockhart@diamond-r.com
Apr 2025
Fleet grew 35 → 39 power units
2024
Nov 2024
Driver count changed 29 → 38
2023
Apr 21, 2023
MCS-150 biennial update filed
Reported mileage: 600,000 (2023)
Reported power units: 43 → 35
Reported drivers: 29
2021
Apr 28, 2021
MCS-150 biennial update filed
Reported mileage: 600,000 (2018)
Reported power units: 43
Reported drivers: 37 → 29
2020
Feb 20, 2020
MCS-150 biennial update filed
Reported mileage: 600,000 (2018)
Reported power units: 43
Reported drivers: 37
1984
Aug 8, 1984
DOT registered
Company registered with the FMCSA.