MARYLAND · HAZMAT CARRIERS
Hazmat carriers in Maryland
Hazmat Carriers registered with FMCSA in Maryland. Hazardous materials need at least $1 million to $5 million in liability coverage depending on the commodity; verify the limit on file.
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Hazmat Carriers in Maryland
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Share of the state's companies
6,684
Active authorities statewide
21.9%
Vehicle OOS statewide · nat’l 22.26%
Showing 25 companies
Cowan Systems LLCReview · 67Carrier & Broker
USDOT 548880 · MC-271882 · Baltimore
General FreightMetal: Sheets, Coils, RollsFresh Produce+6
1,882
Power units
22.4%
Vehicle OOS
32 yr
Registered
Thompsongas LLCClear · 95
USDOT 2812287 · MC-938205 · Frederick
Liquids/Gases
1,210
Power units
6.5%
Vehicle OOS
11 yr
Registered
Baltimore Gas & Electric CoClear · 100
DBA Bge an Exelon Company
USDOT 160257 · Baltimore
General FreightMetal: Sheets, Coils, RollsLogs, Poles, Beams, Lumber+8
688
Power units
7.8%
Vehicle OOS
52 yr
Registered
R E Michel CompanyClear · 100
USDOT 261956 · Glen Burnie
General FreightMetal: Sheets, Coils, RollsBuilding Materials+3
578
Power units
9.5%
Vehicle OOS
41 yr
Registered
Griffith Energy Services IncClear · 100
USDOT 910045 · Columbia
Liquids/Gases
528
Power units
9.2%
Vehicle OOS
26 yr
Registered
Dxi Construction Co IncClear · 92
DBA Dxi Construction
USDOT 372309 · Churchville
Building MaterialsMachinery, Large ObjectsConstruction+1
395
Power units
30.0%
Vehicle OOS
37 yr
Registered
D M Bowman IncReview · 90Carrier & Broker
USDOT 135530 · MC-138438 · Williamsport
General FreightMetal: Sheets, Coils, RollsLogs, Poles, Beams, Lumber+12
265
Power units
19.2%
Vehicle OOS
52 yr
Registered
Lightning Transportation IncReview · 74Carrier & Broker
USDOT 326966 · MC-204764 · Hagerstown
General FreightHousehold GoodsMetal: Sheets, Coils, Rolls+5
256
Power units
35.2%
Vehicle OOS
38 yr
Registered
Cowan Intermodal Group LLCReview · 69
USDOT 215194 · MC-155424 · Baltimore
General FreightHousehold GoodsMotor Vehicles+3
239
Power units
33.6%
Vehicle OOS
44 yr
Registered
The Potomac Edison CompanyClear · 95
DBA Potomac Edison A Firstenergy Company
USDOT 7527 · Williamsport
Logs, Poles, Beams, LumberBuilding MaterialsMachinery, Large Objects+3
225
Power units
4.5%
Vehicle OOS
52 yr
Registered
Gray & Son IncClear · 100
DBA Maryland Paving A Division of Gray & Son
USDOT 988991 · Timonium
General FreightBuilding MaterialsMachinery, Large Objects+3
204
Power units
16.5%
Vehicle OOS
24 yr
Registered
Denison Landscaping IncClear · 100
DBA Denison Landscaping Or Amelia and Elena Trucking
USDOT 427058 · Ft Washington
Building MaterialsMachinery, Large ObjectsAgricultural/Farm Supplies+2
175
Power units
6.7%
Vehicle OOS
36 yr
Registered
Tri-Gas & Oil Company IncClear · 100
DBA Pepup
USDOT 7750 · MC-160232 · Federalsburg
General FreightHousehold GoodsMetal: Sheets, Coils, Rolls+8
162
Power units
5.0%
Vehicle OOS
52 yr
Registered
Kci Technologies IncClear · 100
DBA Kci
USDOT 1027676 · Sparks
Machinery, Large ObjectsOther
158
Power units
15.0%
Vehicle OOS
24 yr
Registered
National Delivery Systems IncClear · 100
USDOT 966390 · MC-429253 · Columbia
General FreightMetal: Sheets, Coils, RollsLogs, Poles, Beams, Lumber+4
147
Power units
15.8%
Vehicle OOS
25 yr
Registered
MTS Express LLCReview · 80
USDOT 1140957 · MC-462513 · Baltimore
General FreightMetal: Sheets, Coils, RollsBuilding Materials+4
145
Power units
—
Vehicle OOS
23 yr
Registered
Alban Tractor LLCClear · 100
DBA Carter Machinery
USDOT 122618 · Baltimore
Motor VehiclesBuilding MaterialsMachinery, Large Objects+3
140
Power units
0.0%
Vehicle OOS
52 yr
Registered
Interior Specialists IncReview · 92
DBA Isi Demolition
USDOT 1031324 · White Marsh
General FreightMetal: Sheets, Coils, RollsBuilding Materials+7
138
Power units
0.0%
Vehicle OOS
24 yr
Registered
Keller North America IncClear · 100
USDOT 200526 · Hanover
General FreightMetal: Sheets, Coils, RollsLogs, Poles, Beams, Lumber+6
137
Power units
12.5%
Vehicle OOS
52 yr
Registered
CJ Miller LLCClear · 100
DBA 80-680-2208
USDOT 335900 · MC-1484354 · Hampstead
General FreightHousehold GoodsMotor Vehicles+8
131
Power units
18.3%
Vehicle OOS
37 yr
Registered
Tecta America East LLCClear · 96
USDOT 1497382 · Jessup
General FreightMetal: Sheets, Coils, RollsBuilding Materials+6
129
Power units
19.0%
Vehicle OOS
20 yr
Registered
Reliable Contracting Co IncClear · 100
USDOT 1018322 · Gambrills
Motor VehiclesBuilding MaterialsMachinery, Large Objects+6
128
Power units
20.0%
Vehicle OOS
24 yr
Registered
Atlantic Tractor LLCClear · 91
USDOT 173187 · Salisbury
Machinery, Large ObjectsAgricultural/Farm SuppliesOther
120
Power units
10.0%
Vehicle OOS
52 yr
Registered
M T Laney Co IncClear · 85
USDOT 1049085 · Eldersburg
Building MaterialsLiquids/GasesChemicals+2
108
Power units
18.2%
Vehicle OOS
24 yr
Registered
Total Civil Construction & EngineeringClear · 92
USDOT 2470696 · Upper Marlboro
Building MaterialsMachinery, Large ObjectsLiquids/Gases+2
108
Power units
30.0%
Vehicle OOS
12 yr
Registered
Trucking companies by city in Maryland
- Baltimore4,293
- Silver Spring1,445
- Frederick1,077
- Gaithersburg936
- Laurel896
- Hyattsville877
- Glen Burnie827
- Hagerstown768
- Upper Marlboro688
- Rockville674
Show all 60 cities
- Waldorf674
- Bowie591
- Westminster585
- Annapolis579
- Pasadena550
- Salisbury511
- Beltsville508
- Columbia463
- Lanham462
- Clinton437
- Germantown419
- Owings Mills419
- Easton355
- Elkridge343
- Bel Air318
- Severn313
- Elkton292
- Reisterstown291
- Middle River283
- Temple Hills277
- Jessup274
- Dundalk263
- Capitol Heights258
- Hanover256
- Mount Airy255
- Brandywine252
- Essex246
- Sykesville246
- Ellicott City243
- Cambridge237
- Fort Washington236
- Randallstown234
- Mechanicsville225
- Aberdeen221
- Rosedale221
- Halethorpe213
- Uppr Marlboro212
- Windsor Mill211
- Gwynn Oak206
- Oakland195
- Parkville193
- Catonsville189
- Millersville185
- Odenton184
- Brooklyn180
- Edgewood179
- Joppa177
- Pikesville174
- Riverdale173
- Edgewater170
More Maryland carrier lists
- Refrigerated trucking companies in Maryland
- Flatbed trucking companies in Maryland
- Car haulers and auto transport companies in Maryland
- Household goods moving companies in Maryland
- Tanker trucking companies in Maryland
- Intermodal and drayage companies in Maryland
- Dry bulk trucking companies in Maryland
- Livestock haulers in Maryland
- Heavy haul trucking companies in Maryland
- Construction and dump truck companies in Maryland
- General freight trucking companies in Maryland
Hazmat carriers in neighboring states
Top lists
Maryland trucking FAQ
What are the biggest hazmat carriers in Maryland?
By power units reported on their latest MCS-150 filing, the largest are Cowan Systems LLC, Thompsongas LLC, Baltimore Gas & Electric Co.
What should I check before booking one?
Hazardous materials need at least $1 million to $5 million in liability coverage depending on the commodity; verify the limit on file.
How safe are Maryland carriers overall?
21.9% of vehicle inspections on Maryland-based carriers ended in an out-of-service order over the last 24 months, against 22.26% nationally. Each profile shows the carrier's own rate.