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2021 Top Petroleum/Chemical Carriers

2021 Essential Management and Operating Information for the 100 Largest Private Carriers in North America

Up Front

Pandemic disruptions and their impact on the economy have upended the advantage private fleets used to enjoy.
See the headquarters locations for each of the Top 100 private carriers in North America.
The 2021 edition of the Transport Topics Top 100 Private Carriers list reflects last year’s volatile business conditions.

Rankings

Current Rank Company Tractors
1
Halliburton Energy Services
5,677
2
NexTier Oilfield Solutions
2,436
3
Basic Energy Services
2,218
4
Schlumberger Ltd.
2,101
5
Pilot Co.
1,341
6
ProPetro Services
1,156
7
Cudd Energy Services
1,126
8
FTS International
1,083
9
Energy Transfer Partners
1,075
10
Love's Travel Stops & Country Stores
1,064
11
Univar Solutions
769
12
Calfrac Well Services
740
13
Brenntag North America
691
14
Plains All American Pipeline
680
15
MDU Resources Group
651
16
KLX Energy Services Holdings Inc.
578
17
Key Energy Services
430
18
Nine Energy Service
415
19
Sentinel Transportation
360
20
Stallion Oilfield Services
352
21
Marathon Petroleum
303
22
Convenience Transportation
300
23
Gravity Oilfield Services
284
24
Eastex Crude Co.
276
25
Sun Coast Resources
241
26
Pilot Thomas Logistics
187
27
Baker Hughes
178
28
RelaDyne
177
29
Weatherford International
167
30
Carpenter Co.
150
30
Crestwood Transportation
150
32
Gulfmark Energy
130
33
NGL Energy Partners
126
34
Select Energy Services
121
35
Targa Resources Partners
120
36
PetroChoice
112
37
Sinclair Oil
75
38
Rinchem Co. Inc.
49
39
Pioneer Natural Resources
48
39
Southwestern Energy Co.
48
41
Rocky Mountain Crude Oil
39
42
Oil States Energy Services
38
43
Forbes Energy Services
28

Extras

If your company appears on the 2021 list, you have a few ways to announce it. Visit our logo library to get web- and print-ready graphics.
While industry sectors have unique demands, all have been dealing with various forms of disruption during the past year.
Learn more about Transport Topics’ Top 100 Private Carriers publication.

Private Carrier News

BusinessTechnologyLogisticsGlobal FreightPrivate

Amazon Inks $17.5 Billion Loan in Financing Led by Citigroup

The loan comes as giant tech companies are borrowing heavily to expand the artificial intelligence infrastructure buildout.

June 10, 2026
GovernmentBusinessSafetyLogisticsPrivate

USDA Races to Impose Quarantine After Texas Screwworm Case

The U.S. Department of Agriculture is racing to contain the deadly New World screwworm after a case was detected in Texas.

June 4, 2026
GovernmentBusinessPrivate

Deadly Screwworm Parasite Found in U.S. Threatens Cattle Herd

The agency is implementing quarantines, movement controls and surveillance in a 12-mile zone around the detection, and has also expedited the release of sterile flies to prevent the pest’s spread.

June 4, 2026
BusinessPrivate

Five Below Raises Full-Year Guidance

The retailer said it will stay cautious on spending trends after tax refund-driven demand fades, while continuing to use viral products to drive store traffic.

June 4, 2026
BusinessPrivateTop 100

QXO Sees Improved Terms on Buyout Deal After Solid Demand

QXO saw terms improve on a $6 billion financing package to fund its purchase of rival TopBuild, which attracted more than three times the amount of demand from investors.

June 3, 2026
GovernmentBusinessSafetyFuelLogisticsGlobal FreightPrivate

Walmart CEO Points to High Fuel Prices as ‘Stress Point’

CEO John Furner said that low-income consumers are experiencing greater pressure on high gas prices. “That’s really the stress point, is the price of fuel,” he said.

June 3, 2026
BusinessFuelPrivateTop 100

Dollar General Shoppers Cut Back on Food as Gas Prices Rise

Some Dollar General shoppers are cutting back on food and other household expenses due to rising gas prices, CEO Todd Vasos said on the company’s earnings call.

June 2, 2026
BusinessTechnologyPrivate

QXO Kicks Off $3B Loan Sale in M&A Debt Deal for TopBuild

QXO agreed to buy insulation company TopBuild for about $17 billion, making QXO the second-largest publicly traded building products distributor in North America.

June 1, 2026
BusinessPrivateTop 100

Costco Stock Rises After Adjusted Earnings Beat Estimates

Costco Wholesale reported higher-than-expected profit in the latest quarter, showing the club chain continues to gain ground among cautious U.S. shoppers. 

May 28, 2026
BusinessPrivate

Tyson Foods Taps Board Member Jeff Schomburger for CEO Role

Jeff Schomburger, who has spent a decade on Tyson’s board, will become president and CEO on Oct. 4, succeeding Donnie King.

May 28, 2026