A-OX WELDING SUPPLY COMPANY INC

USDOT 44382 • 101 N HARLEM AVENUE, SIOUX FALLS, SD, 57104

ACTIVE

Authority:None on file

Insurance:None on file

BOC-3:Not on file

Safety Rating:S

MCS-150:Never updated

OOS Orders:None

Overview

Company profile from FMCSA Census File

USDOT

44,382

Status

ACTIVE

Entity Type

Corporation

Operation

Intrastate (Hazmat)

State

South Dakota

Phone

6053361125

[email protected]

Power Units (MCS-150)

Drivers (MCS-150)

Safety Rating

MCS-150 Mileage

1,015,289

Physical Address

101 N HARLEM AVENUE, SIOUX FALLS, SD, 57104

Mailing Address

PO DRAWER 86667, SIOUX FALLS, SD, 57118

Contact

Phone: 6053361125

Email: [email protected]

Authority & Insurance

Operating authority, insurance filings, and BOC-3 status

Active Authority

Revoked / Inactive

Authority Types

Insurance Policies

None on file

BOC-3 Filing

Not on file

Operating Authority

fmcsa-authhistApr 5, 2026

No records found

No insurance filings found for this carrier in FMCSA records.

Check FMCSA SAFER for current insurance status

Safety & Inspections

SMS BASIC scores, inspection history, and out-of-service rates

SMS BASIC Scores

Driver Fitness

N/A

Hours of Service

N/A

Unsafe Driving

N/A

Higher percentile = worse safety performance relative to peers. Scores at or above 75% trigger FMCSA alerts.

Inspections

Violations

10 OOS

Vehicle OOS %

8.6%

Driver OOS %

4.3%

Power Units (MCS-150)

Drivers (MCS-150)

Crash Records

Inspection Activity (24 months)

Monthly inspection counts with OOS months highlighted. Hover bars for details.

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

Clean monthMonth with OOSBased on latest 70 of 70 inspection records

Inspection Activity Map

5 states • 70 inspections

None Low Medium High🚛 Home base

Violation Summary (64 violations from 70 inspections)

fmcsa-inspection-file

Violation Summary (64 violations from 70 inspections)
Code	Description	# Violations	# OOS	Severity Wt	BASIC
FMCSR:177.801	Accepting or Transporting Hazardous Materials not prepared in accordance with regulations	4	0	—	Hazardous Materials
FMCSR:392.2	Operating a CMV while ill or fatigued	4	0	8	Unsafe Driving
FMCSR:393.47E	Slack adjuster defective	3	0	7	Vehicle Maintenance
FMCSR:177.834A-HMC	General loading/unloading hazmat	3	3	6	Hazardous Materials
FMCSR:392.2-SLLIFTA	Operating a CMV while ill or fatigued	2	0	8	Unsafe Driving
FMCSR:177.801-HMHCNP	HM (Highway Carriage) - Driver accepted/transported HM not prepared in accordance with this Subchapter. Explain	2	0	—	Hazardous Materials
FMCSR:396.17C-PI	No proof of periodic inspection	2	0	3	Vehicle Maintenance
FMCSR:393.95A	Emergency equipment - fire extinguisher missing/defective	2	0	5	Vehicle Maintenance
FMCSR:393.53B	Steering system components worn	2	0	7	Vehicle Maintenance
FMCSR:396.3A1BOS	BRAKES OUT OF SERVICE: The number of defective brakes is equal to or greater than 20 percent of the service brakes on the vehicle or combination	2	2	—	Vehicle Maintenance
FMCSR:172.516C6-HMPMC	HM (Placarding) - Failure to maintain placard(s) in a condition so that the format legibility color and visibility of the placard will not be substantially red	2	0	—	Hazardous Materials
FMCSR:393.78	Windshield condition defective	2	0	4	Vehicle Maintenance
FMCSR:393.55(d)(3)	Coupling device/towing methods defective	2	0	8	Vehicle Maintenance
FMCSR:395.3A2-HOSPD	HOS (Property) - Driving beyond the 14 hour after coming on duty following 10 consecutive hours off duty during the current 8 consecutive day period. Date and Tim	1	0	—	Hours Of Service
FMCSR:395.8E-HOSPD	False record of duty status	1	0	10	Hours Of Service
FMCSR:392.2-SLLSR	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:393.45D-B	Brake tubing/hoses inadequate	1	0	7	Vehicle Maintenance
FMCSR:393.78A-WS	Windshield condition defective	1	0	4	Vehicle Maintenance
FMCSR:393.47A-BCFSBD	Brake chamber - cracked/broken	1	0	8	Vehicle Maintenance
FMCSR:396.5B-HWSL	Fuel system leak	1	1	7	Vehicle Maintenance
FMCSR:393.48A-BMBCBD	Inoperative/defective brakes	1	0	8	Vehicle Maintenance
FMCSR:177.817A-HMSP	Placarding violation	1	1	8	Hazardous Materials
FMCSR:392.2IN	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:393.45D	Brake tubing/hoses inadequate	1	0	7	Vehicle Maintenance
FMCSR:393.55D1-B	Coupling device/towing methods defective	1	0	8	Vehicle Maintenance
FMCSR:393.9A-HLLH	Inoperable required lamps	1	0	3	Vehicle Maintenance
FMCSR:393.104F3-C	Cargo securement - tiedown damaged	1	0	6	Vehicle Maintenance
FMCSR:177.817E	Placard deteriorated/damaged	1	0	4	Hazardous Materials
FMCSR:393.48A-BMBC	Inoperative/defective brakes	1	0	8	Vehicle Maintenance
FMCSR:107.620(b)	107.620(b)	1	0	—	Unknown
FMCSR:393.9(a)	Inoperable required lamps	1	0	3	Vehicle Maintenance
FMCSR:393.201(d)	Frame accessories improperly attached	1	0	—	Vehicle Maintenance
FMCSR:393.45(d)	Brake tubing/hoses inadequate	1	0	7	Vehicle Maintenance
FMCSR:393.48(a)	Inoperative/defective brakes	1	0	8	Vehicle Maintenance
FMCSR:396.17(c)	No proof of periodic inspection	1	0	3	Vehicle Maintenance
FMCSR:393.75(a)(3)	Tire-flat and/or audible air leak	1	1	—	Vehicle Maintenance
FMCSR:177.817(e)(2)	177.817(e)(2)	1	0	—	Hazardous Materials
FMCSR:392.2-SLL	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:383.23A2-LCDLN	License (CDL) - Operate a CMV and does not possess a valid CDL	1	1	—	Driver Fitness
FMCSR:393.9A-LFTSI	Inoperable required lamps	1	0	3	Vehicle Maintenance
FMCSR:392.16-D	Failing to use seat belt (49 CFR)	1	0	3	Unsafe Driving
FMCSR:392.2-SLLTL	Operating a CMV while ill or fatigued	1	0	8	Unsafe Driving
FMCSR:393.47(e)	Slack adjuster defective	1	0	7	Vehicle Maintenance
FMCSR:393.53(b)	Steering system components worn	1	0	7	Vehicle Maintenance
FMCSR:391.11(b)(4)	No valid medical certificate	1	1	7	Driver Fitness

Peer Context

This carrier vs national averages. Lower is better for all metrics.

Vehicle OOS Rate

8.6%vs nat'l 23.4%

-14.8 pts below avg

Driver OOS Rate

4.3%vs nat'l 6.7%

-2.4 pts below avg

Violations / Inspection

0.91vs nat'l 1.80

-0.89 below avg

National averages: vehicle OOS 23.4%, driver OOS 6.7%, violations per inspection ~1.8. Based on FMCSA MCSAP program data.

Inspection History (70 inspections)

Showing 50 of 70

fmcsa-inspectionsApr 5, 2026

Inspection History (70 inspections)
Date	Report #	Station	State	Level	Vehicle	Violations	Top Codes	OOS
Apr 4, 2026	87506518	Roadside	SD	Level 3	UNPUBLISHE SEMI-TRAILER	0	—	No
Mar 11, 2026	87308785	WORTHINGTON MN	MN	Level 3	ALLOY TRAI SEMI-TRAILER	4	392.2-SLLIFTA, 395.3A2-HOSPD, 395.8E-HOSPD	No
Feb 19, 2026	87137675	WORTHINGTON MN	MN	Level 1	VOLVO TRUCK TRACTOR	2	392.2-SLLSR, 393.45D-B	No
Nov 20, 2025	86425628	TEA SD	SD	Level 3	VOLVO TRUCK TRACTOR	0	—	No
Nov 11, 2025	86290019	WILMOT SD	SD	Level 2	KENWORTH STRAIGHT TRUCK	0	—	No
Nov 3, 2025	86232030	VERMILLION SD	SD	Level 3	WESTERN ST STRAIGHT TRUCK	0	—	No
Oct 8, 2025	86000994	VALLEY SPRINGS SD	SD	Level 3	VOLVO TRUCK TRACTOR	0	—	No
Sep 15, 2025	85775913	VALLEY SPRINGS SD	SD	Level 2	VOLVO TRUCK TRACTOR	0	—	No
Aug 29, 2025	85631421	HURON SD	SD	Level 2	KENWORTH STRAIGHT TRUCK	0	—	No
Jul 24, 2025	85367666	WORTHINGTON MN	MN	Level 1	ALLOY TRAI SEMI-TRAILER	0	—	No
Jul 22, 2025	85287004	Roadside	NE	Level 1	WSTR STRAIGHT TRUCK	7	177.801-HMHCNP, 393.78A-WS, 393.47A-BCFSBD	Yes
Jul 11, 2025	85189695	Roadside	NE	Level 1	VOLV TRUCK TRACTOR	1	396.17C-PI	No
Jul 9, 2025	85228216	JASPER MN	MN	Level 1	KENWORTH STRAIGHT TRUCK	0	—	No
Jul 8, 2025	85150924	YANKTON SD	SD	Level 2	WESTERN ST STRAIGHT TRUCK	0	—	No
Jul 8, 2025	85150320	DELL RAPIDS SD	SD	Level 2	VOLVO TRUCK TRACTOR	0	—	No
Jun 26, 2025	85046329	VALLEY SPRINGS SD	SD	Level 1	UNPUBLISHE SEMI-TRAILER	0	—	No
Jun 18, 2025	85002104	ON UNNAMED STREET, 156 FEET EA	NE	Level 3	WSTR STRAIGHT TRUCK	0	—	No
Jun 16, 2025	85011273	MINNEOTA MN	MN	Level 1	KENWORTH STRAIGHT TRUCK	0	—	No
Jun 10, 2025	84919462	VALLEY SPRINGS SD	SD	Level 2	ACTION IND SEMI-TRAILER	0	—	No
Jun 10, 2025	84910575	WATERTOWN SD	SD	Level 1	INTERNATIO STRAIGHT TRUCK	0	—	No
Jun 2, 2025	84852891	37 - I29 SB MM 132 SALIX	IA	Level 1	KW TRUCK TRACTOR	6	392.2IN, 393.95A, 393.45D	Yes
May 28, 2025	84798429	WAUBAY SD	SD	Level 2	KENWORTH STRAIGHT TRUCK	0	—	No
May 21, 2025	84740362	VALLEY SPRINGS SD	SD	Level 2	VOLVO TRUCK TRACTOR	0	—	No
May 2, 2025	84563838	WATERTOWN SD	SD	Level 2	KENWORTH STRAIGHT TRUCK	0	—	No
Apr 29, 2025	84559523	VALLEY SPRINGS SD	US	Level 1	VOLVO TRUCK TRACTOR	0	—	No
Apr 29, 2025	84587739	WORTHINGTON MN	MN	Level 2	INTERNATIO STRAIGHT TRUCK	1	177.834A-HMC	Yes
Apr 28, 2025	84559564	SIOUX FALLS SD	US	Level 1	ACTION IND SEMI-TRAILER	0	—	No
Apr 9, 2025	84361878	ELK POINT SD	SD	Level 2	FREIGHTLIN STRAIGHT TRUCK	0	—	No
Mar 27, 2025	84299969	DETROIT LAKES MN	MN	Level 2	FREIGHTLIN STRAIGHT TRUCK	3	172.516C6-HMPMC, 393.55D1-B, 177.834A-HMC	Yes
Mar 10, 2025	84076378	BLUNT SD	SD	Level 1	KENWORTH STRAIGHT TRUCK	0	—	No
Nov 13, 2024	83150101	VALLEY SPRINGS SD	SD	Level 2	VOLVO TRUCK TRACTOR	0	—	No
Oct 24, 2024	83045916	MOORHEAD MN	MN	Level 2	KENWORTH STRAIGHT TRUCK	4	177.834A-HMC, 393.9A-HLLH, 172.516C6-HMPMC	Yes
Oct 23, 2024	82978775	Roadside	NE	Level 1	FORD STRAIGHT TRUCK	3	393.95A, 393.78, 177.801	No
Oct 21, 2024	82955099	Roadside	NE	Level 1	WSTR STRAIGHT TRUCK	10	177.801, 393.47E, 177.817E	Yes
Aug 30, 2024	82592519	MINNEOTA MN	MN	Level 1	KENWORTH STRAIGHT TRUCK	3	107.620(b), 393.9(a), 393.201(d)	No
Aug 26, 2024	82492831	JEFFERSON SD	SD	Level 3	VOLVO TRUCK TRACTOR	1	392.2	No
Aug 22, 2024	82456005	SALEM SD	SD	Level 2	GREAT DANE SEMI-TRAILER	0	—	No
Jun 14, 2024	81881996	VALLEY SPRINGS SD	SD	Level 1	VOLVO TRUCK TRACTOR	2	393.45(d), 393.48(a)	No
Jun 12, 2024	81862727	DELL RAPIDS SD	SD	Level 1	KENWORTH STRAIGHT TRUCK	1	396.17(c)	No
Jun 11, 2024	81884703	CLARKS GROVE MN	MN	Level 2	VOLVO TRUCK TRACTOR	1	393.75(a)(3)	Yes
May 16, 2024	81636263	CANTON	SD	Level 2	VOLVO TRUCK TRACTOR	0	—	No
May 15, 2024	81668122	CLARKS GROVE WEIGH STATION NB	MN	Level 1	APPLIED CR SEMI-TRAILER	1	177.817(e)(2)	No
May 14, 2024	81605601	Roadside	NE	Level 3	FRHT STRAIGHT TRUCK	0	—	No
Apr 17, 2024	81372976	VALLEY SPRINGS SD	SD	Level 1	ALLOY TRAI SEMI-TRAILER	0	—	No
Apr 17, 2024	81376691	Roadside	NE	Level 3	WSTR STRAIGHT TRUCK	0	—	No
Mar 20, 2024	81149764	VALLEY SPRINGS SD	SD	Level 2	GREAT DANE SEMI-TRAILER	1	392.2-SLL	No
Mar 15, 2024	81121454	VALLEY SPRINGS SD	SD	Level 2	VOLVO TRUCK TRACTOR	0	—	No
Mar 6, 2024	81055797	VALLEY SPRINGS SD	SD	Level 2	VOLVO TRUCK TRACTOR	0	—	No
Nov 30, 2023	80583988	JEFFERSON SD	SD	Level 2	INTERNATIO TRUCK TRACTOR	1	396.17C-PI	No
Nov 15, 2023	80176949	VALLEY SPRINGS SD	SD	Level 3	GREAT DANE SEMI-TRAILER	1	392.2	No

View all 70 records

View all 70 inspections →

Inspection analytics

Monthly cadence, frequent stations, and violation mix

Inspections per month (24 mo)

45 total · 15.6% OOS

2024-042026-04

InspectionsOOS

Most frequent inspection stations

VALLEY SPRINGS SD12

DELL RAPIDS SD4 · 1 OOS

WORTHINGTON MN4 · 1 OOS

WATERTOWN SD2

WORTHINGTON SCALE2 · 1 OOS

MINNEOTA MN2

JEFFERSON SD2

SIOUX FALLSSD2

Violations by BASIC category

Vehicle Maintenance34 · 4 OOS

Hazardous Materials14 · 4 OOS

Unsafe Driving11

Driver Fitness2 · 2 OOS

Hours of Service2

Unknown1

Recent Crashes

5 crash records from FMCSA Crash File

Total Crashes

Fatalities

Injuries

Across 1 crash

Tow-Aways

Crash History (5 records)

fmcsa-crash-fileApr 5, 2026

Crash History (5 records)
Date	State	Severity	Injuries	City	Location	VIN	Carrier Name at Crash
Apr 10, 2014	MN	TOW	0	—	—	—	—
Nov 30, 2012	SD	TOW	0	—	—	—	—
Jul 19, 2005	SD	TOW	0	—	—	—	—
Jul 31, 1997	SD	TOW	0	—	—	—	—
Mar 3, 1997	SD	INJURY	1	—	—	—	—