Rex Lee Siemer Trucking LLC

USDOT activeAuthority activeCarrier · Interstate

USDOT637791
MC384420
LocationMercer, MO
Fleet17 power units · 9 drivers

Rex Lee Siemer Trucking LLC (USDOT 637791, MC-384420) is an interstate motor carrier based in Mercer, Missouri with 17 power units and 9 drivers reported to FMCSA. Its USDOT number and operating authority are active. FMCSA records list 13 roadside inspections in the last 24 months.

Verification snapshot · FMCSA data as of Nov 12, 2026

Operating authorityActive · MC-384420Carrier Liability insurance$1,000,000 on fileRequired: $750,000 · as of May 2026 Safety ratingSatisfactoryRated Mar 2, 2004 Out-of-service ordersNone on fileFMCSA out-of-service orders file Registration (MCS-150)Updated Feb 18, 20268 months ago Process agent (BOC-3)On fileTruck Process Agents of America, Inc

Got a call or email from someone using this company’s name? Check the phone number or email against FMCSA records.

Operating authority

Status from the FMCSA Company Census File, November 12, 2026

Docket	Authority type	Status
MC-384420	Common carrier	Active

First granted on June 5, 2000 · see full authority history.

Insurance

FMCSA legacy licensing records (last updated May 2026); filings may have changed since

Liability (BIPD) required$750,000
Liability (BIPD) on file$1,000,000
Cargo insurance required / on fileNo / No
Bond required / on fileNo / No

Filings on file

Type	Insurer	Coverage	Effective
Liability (BIPD) BMC-91X	Great West Casualty Co.	$1,000,000	Jun 1, 2023

Insurance history: 14 past filings

Type	Insurer	Effective	Ended	Reason
Liability (BIPD)	National Casualty Company	Jul 9, 2015	Jun 1, 2023	Replaced
Liability (BIPD)	National Casualty Company	May 20, 2013	Jul 9, 2015	Replaced
Cargo	Rli Insurance Company	May 20, 2010	Jul 6, 2011	Cancel
Cargo	National Indemnity Company	May 20, 2009	May 20, 2010	Cancel
Cargo	National Indemnity Company	May 21, 2008	May 20, 2009	Cancel
Liability (BIPD)	Maxum Casualty Insurance Company	May 20, 2008	Jun 22, 2013	Term / cancl
Liability (BIPD)	Continental Western Insurance Co.	Apr 12, 2006	Jun 27, 2008	Term / cancl
Liability (BIPD)	Continental Western Insurance Co.	May 1, 2005	Apr 12, 2006	Replaced
Liability (BIPD)	Oak River Insurance Company	May 1, 2004	May 1, 2005	Cancel
Cargo	Hartford Fire Insurance Company	May 1, 2004	May 21, 2008	Replaced
Liability (BIPD)	Great West Casualty Co.	Jan 2, 2004	May 1, 2004	Replaced
Cargo	Great West Casualty Co.	Jan 2, 2004	May 1, 2004	Replaced
Liability (BIPD)	Great West Casualty Co.	May 18, 2000	Jan 14, 2004	Term / cancl
Cargo	Great West Casualty Co.	May 18, 2000	Jan 2, 2004	Replaced

Process agent (BOC-3)

Truck Process Agents of America, Inc, Fargo, ND

Inspections and crashes

Last 24 months · FMCSA Vehicle Inspection File and Crash File

13
Inspections: 23.1%
Driver out-of-service: 20.0%
Vehicle out-of-service: 3
Crashes

Inspected most often in: Iowa (5), Missouri (3), Wisconsin (3), Illinois (1), Kansas (1).

Most recent inspection on file: August 14, 2026.

FMCSA safety rating: Satisfactory (rated March 2, 2004)

Inspection and crash counts come from FMCSA records and are shown as reported. They are not a safety rating. A crash record does not mean the carrier was at fault. FMCSA has not rated a carrier unless a safety rating is listed. For FMCSA’s own data and its explanation, see the FMCSA SAFER Company Snapshot.

Out-of-service rates are calculated by CheckTrucking from inspection records (driver: levels I, II, III, VI; vehicle: levels I, II, V, VI). They are not FMCSA scores.

Authority history

FMCSA licensing records (Motus and legacy L&I) · migration-only status adjustments are not shown

April 23, 2010Involuntary revocation — Common carrier authorityDiscontinued revocation on May 20, 2010
April 23, 2009Involuntary revocation — Common carrier authorityDiscontinued revocation on May 12, 2009
April 4, 2005Involuntary revocation — Common carrier authorityDiscontinued revocation on April 28, 2005
June 5, 2000Granted — Common carrier authority

Fleet and operations

From the company’s own registration (Form MCS-150), updated February 18, 2026

Power units: 17
Trucks: 17
Tractors owned: 17
Trailers owned: 20
Drivers: 9
CDL drivers: 9
Interstate drivers: 9
Miles traveled: 879,684 (2024)
Classification: Authorized for hire
Hazardous materials: No
USDOT registered: April 19, 1996
Address: Mercer, MO

Cargo carried

General freight
Metal: sheets, coils, rolls
Logs, poles, beams, lumber
Building materials
Machinery, large objects
Fresh produce
Livestock
Grain, feed, hay
Meat
Chemicals
Commodities dry bulk
Refrigerated food
Beverages
Paper products
Utilities
Agricultural / farm supplies
Construction
Water

Key facts

USDOT number 637791 was registered on April 19, 1996.
Operating authority MC-384420 was first granted on June 5, 2000.
The company last updated its FMCSA registration (Form MCS-150) on February 18, 2026.
It reported 879,684 vehicle miles traveled in 2024.
One insurance filing is on file in FMCSA’s legacy licensing records (as of May 2026), including Liability (BIPD) coverage with Great West Casualty Co..
It had 13 roadside inspections in the last 24 months; 3 inspections recorded no violations.
FMCSA records list 3 reportable crashes in the last 24 months.
Its most recent FMCSA safety rating is Satisfactory, issued on March 2, 2004.
Its process agent filing (BOC-3) is with Truck Process Agents of America, Inc.

Other carriers in Mercer, MO

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