Carrier profile · USDOT 47552 · Updated Jun 13, 2026
National Welders Supply Company Inc
DBA AIRGAS NATIONAL WELDERS
391 power unitsCHARLOTTE, NC50/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT
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
- 5311 SEVENTY SEVEN CENTER DRIVE, CHARLOTTE, NC, 28217
- Mailing address
- P O BOX 31007, CHARLOTTE, NC, 28231
- Operation
- Interstate· Hazmat
Contact
- Phone
- (704) 333-5475
- Fax
- (704) 391-7873
- ken.boyte@airgas.com
- Web domain
- airgas.com
Registration
- Officers
- Steve Marinelli · Tony Martin
- USDOT / docket
- 47552
- First registered
- Jun 1, 1974
- Last MCS-150
- Jun 28, 2013 · 8,275,195 mi (2012)
- FMCSA safety rating
- Satisfactory · Mar 4, 1997
- D-U-N-S
- 3162310
Fleet (self-reported · MCS-150)
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.