Carrier profile · USDOT 2498682 · Updated Jul 18, 2026

CONSOLIDATED NUCLEAR SECURITY LLC

DBA CNS LLC

99 power unitsOAK RIDGE, TN50/100
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

Mailing address
P O BOX 2009, OAK RIDGE, TN, 37831
Operation
Interstate· Hazmat

Contact

Fax
(865) 574-8612
Web domain
y12nsc.doe.gov

Registration

Officers
Kenneth Self, Jr. · David W. Sohm
USDOT / docket
2498682
First registered
Apr 23, 2014
Last MCS-150
Apr 27, 2026 · 236,000 mi (2025)
FMCSA safety rating
Satisfactory · Mar 12, 2020
D-U-N-S
78390708

Fleet (self-reported · MCS-150)

99Power units
151Drivers
151CDL drivers
236,000Annual mileage

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.