Carrier profile · USDOT 30631 · Updated Jun 13, 2026
Swenson Granite Company LLC
12 power unitsavg 12.3 yrRegional · 3 statesCONCORD, NH74/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORY
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 company officer with other carriers
michael sylvester — 10 carriers: USDOT 301370USDOT 2133303USDOT 2200342USDOT 2447624USDOT 2826502USDOT 4016578USDOT 4091437USDOT 4127297
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)1212
Observed (24 mo)44
Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.
Owner / group view· confidence: officer
Owner / group view
Affiliated authorities
Collapses 10 related authorities · joined by officer
- Authorities
- 10
- Combined power
- 30
- States
- 9
- Oldest authority
- Jun 1, 1974
- Active now
- 5
- SWENSON GRANITE COMPANY LLC· viewingUSDOT 3063112PU
- MICHAEL SYLVESTERUSDOT 41272977PU
- MICHAEL SYLVESTERUSDOT 40165783PU
- ROCK OF AGES CORPORATIONUSDOT 40914372PU
- REFINISHER'S WAREHOUSEUSDOT 3013702PU
- MICHAEL SYLVESTERUSDOT 22003421PU
- RED TAIL WOODWORKINGUSDOT 44113771PU
- MICHAEL SYLVESTERUSDOT 21333031PU
- MICHAEL SYLVESTERUSDOT 28265021PU
- SYLFAB LLCUSDOT 24476240PU