WHITE MOUNTAIN OPERATING LLC
PINEDALE, WY
10/15/2009
16 years, 8 months
20
Power Units
18
Drivers
Current
as of today
Active · 20 power units · 18 drivers · Pinedale, WY
2026
~Jun 2026
Fleet grew 18 → 20 power units
~Jun 2026
Fleet reduced 20 → 18 power units
Feb 19, 2026
MCS-150 biennial update filed
Reported mileage: 275,831 (2025)
Reported power units: 24 → 20
Reported drivers: 18
Reported trailers: 35 → 40
2024
Feb 20, 2024
MCS-150 biennial update filed
Reported mileage: 221,631 (2023)
Reported power units: 18 → 24
Reported drivers: 9 → 18
Reported trailers: 35
2023
~Mar 2023
Email changed
bwilliams@wmoperating.com → clambrecht@wmoperating.com
2022
Feb 28, 2022
MCS-150 biennial update filed
Reported mileage: 198,273 (2021)
Reported power units: 31 → 18
Reported drivers: 19 → 9
2020
Jul 16, 2020
Safety rating: Satisfactory
Mar 11, 2020
MCS-150 biennial update filed
Reported mileage: 221,000 (2019)
Reported power units: 31
Reported drivers: 19
2015
Apr 25, 2015
Insurance cancelled with National American Insurance Company
Form 91X, $1,000,000 coverage
Mar 28, 2015
Insurance cancelled with National American Insurance Company
Form 91X, $1,000,000 coverage
2014
Mar 28, 2014
Insurance filed with National American Insurance Company (2 policies)
Form 91X, $1,000,000 coverage
Mar 28, 2014
Insurance cancelled with American Safety Casualty Insurance Company
Form 91X, $1,000,000 coverage
2013
Aug 28, 2013
Insurance cancelled with American Safety Casualty Insurance Company
Form 91X, $1,000,000 coverage
Aug 28, 2013
Insurance filed with American Safety Casualty Insurance Company
Form 91X, $1,000,000 coverage
Mar 28, 2013
Insurance filed with American Safety Casualty Insurance Company
Form 91X, $1,000,000 coverage
Mar 28, 2013
Insurance cancelled with National American Insurance Company
Form 91X, $1,000,000 coverage
2012
Mar 28, 2012
Insurance cancelled with National American Insurance Company
Form 91X, $1,000,000 coverage
Mar 28, 2012
Insurance filed with National American Insurance Company
Form 91X, $1,000,000 coverage
2011
Aug 2, 2011
OOS order rescinded
May 10, 2011
Out-of-service order
New Entrant Revoked - Expedited Actions
Mar 28, 2011
Insurance filed with National American Insurance Company
Form 91X, $1,000,000 coverage
Mar 28, 2011
Insurance cancelled with National American Insurance Company
Form 91X, $1,000,000 coverage
2010
Mar 28, 2010
Insurance filed with National American Insurance Company
Form 91X, $1,000,000 coverage
Mar 28, 2010
Insurance cancelled with Fireman's Fund Insurance Co.
Form 34
Mar 28, 2010
Insurance cancelled with National American Insurance Company
Form 91X, $1,000,000 coverage
2009
Nov 2, 2009
Insurance filed with Fireman's Fund Insurance Co.
Form 34
Oct 15, 2009
DOT registered
Company registered with the FMCSA.
Mar 28, 2009
Insurance filed with National American Insurance Company
Form 91X, $1,000,000 coverage