Carrier profile · USDOT 1175708 · Updated Jun 13, 2026
Rockfill Associates LLC
DBA CREWS ENVIRONMENTAL
9 power unitsavg 7.3 yrLocal · 1 statesFT MYERS, FL86/100
AUTHORITY STATUS UNKNOWN
Equipment
Haulable capacity (power units only — trailers are towed context), equipment mix, and the VIN-decoded unit roster. Click any VIN to trace that unit across every carrier that has run it.
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 9
- Observed power (24 mo)
- 6
- Trailers (towed)
- 1
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Fleet age· model years · decoded VINs
Average age
2024
Newest model yr
2007
Oldest model yr
42.9%
VINs decoded
Unit roster· VIN-decoded from inspections · NHTSA vPIC
| VIN | Type | Year | Make | Model | Insp. | Last seen |
|---|---|---|---|---|---|---|
| 3HTPAAPT1NN618236View sourced platform decode | Power unit | 2022 | INTERNATIONAL | HX520 | 3 | Aug 20, 2025 |
| 16VGX2527E2626953View sourced platform decode | Trailer | 2014 | BIG TEX | Big Tex | 1 | Jul 13, 2026 |
| 1FD0W5HT4PEC02861View sourced platform decode | Power unit | 2023 | FORD | — | 1 | Jul 13, 2026 |
| 1NKZX4EX3MJ465693View sourced platform decode | Truck | 2021 | KENWORTH | T880 | 1 | May 21, 2026 |
| 5KKMBWDV1RPVG5036View sourced platform decode | Power unit | 2024 | WESTERN ST | — | 1 | Sep 8, 2025 |
| 1HTXRAPT17J414812View sourced platform decode | Power unit | 2007 | INTERNATIO | — | 1 | May 22, 2025 |
| 5KKHAXDV6LLLT7806View sourced platform decode | Power unit | 2020 | WESTERN ST | — | 1 | Feb 19, 2025 |
Showing 7 · most-inspected first.