Carrier profile · USDOT 340923 · Updated Jun 13, 2026

ELECTRO-TEST & MAINTENANCE

12 power unitsBLACK HAWK, SD50/100
AUTHORITY STATUS UNKNOWNHAZMAT
Verified linksFMCSA SAFER

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
5401 CIRCLE DRIVE, BLACK HAWK, SD, 57718
Mailing address
PO BOX 1527, RAPID CITY, SD, 57709
Operation
Interstate· Hazmat

Contact

Phone
(605) 787-4688
Email
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Registration

Officers
Ladale Besler · Jerome Besler
USDOT / docket
340923
First registered
Jan 19, 1989
Last MCS-150
Oct 31, 2024 · 149,484 mi (2023)
FMCSA safety rating
Not rated
D-U-N-S
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Fleet (self-reported · MCS-150)

12Power units
10Drivers
7CDL drivers
149,484Annual 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.