Carrier profile · USDOT 3451667 · Updated Jul 18, 2026
GLM LANDSCAPE SUPPLY LLC
DBA THE ROCK YARD
11 power unitsLocal · 1 statesALPHARETTA, GA50/100
AUTHORITY STATUS UNKNOWN
Network & Fraud
Reincarnation chains, shared-VIN links, common domains and officers, and owner-group affiliations — the chameleon / double-broker signals that name-and-USDOT lookups miss.
Shares a registration email domain with other carriers
@atlanticsquared.com — 7 carriers: USDOT 3722831USDOT 3860854USDOT 3865297USDOT 3865335USDOT 3945967USDOT 4019659
Shares a company officer with other carriers
tim perryman — 4 carriers: USDOT 3014331USDOT 3393668USDOT 3865335
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)1111
Observed (24 mo)33
Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.
Owner / group view· confidence: email domain + officer
Owner / group view
Affiliated authorities
Collapses 9 related authorities · joined by email domain + officer
- Authorities
- 9
- Combined power
- 74
- States
- 5
- Oldest authority
- Jun 2, 2017
- Active now
- 8
- GLM LANDSCAPE SUPPLY LLC· viewingUSDOT 345166711PU
- MID ATLANTIC ROOFING SUPPLY TAMPA LLCUSDOT 386085418PU
- CAROLINA ATLANTIC ROOFING SUPPLY SOUTH CENTRAL LLCUSDOT 339366815PU
- MID ATLANTIC ROOFING SUPPLY NORFOLK LLCUSDOT 401965911PU
- ROADSIDE SPECIALTIES LLCUSDOT 30143316PU
- MID ATLANTIC ROOFING SUPPLY HOUSTON LLCUSDOT 38652974PU
- METAL ROOFING SYSTEMS FLORIDA LLCUSDOT 38653354PU
- MID ATLANTIC ROOFING SUPPLY ATLANTA LLCUSDOT 39459673PU
- MID ATLANTIC ROOFING SUPPLY JACKSON LLCUSDOT 37228312PU
Affiliated entities· hover to preview
MID ATLANTIC ROOFING SUPPLY TAMPA LLCCAROLINA ATLANTIC ROOFING SUPPLY SOUTH CENTRAL LLCMID ATLANTIC ROOFING SUPPLY NORFOLK LLCROADSIDE SPECIALTIES LLCMID ATLANTIC ROOFING SUPPLY HOUSTON LLCMETAL ROOFING SYSTEMS FLORIDA LLCMID ATLANTIC ROOFING SUPPLY ATLANTA LLCMID ATLANTIC ROOFING SUPPLY JACKSON LLC