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2021 Top Waste Management 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
Clean Harbors Environmental Services
1,172
2
Stericycle Inc.
603
3
Ecology Auto Parts
543
4
Liquid Environmental Solutions
384
5
Veolia North America
116
6
Heritage-Crystal Clean
93
7
U.S. Ecology
85
8
Ecolab Inc./Nalco
77
9
Heritage Environmental Services
75
10
Rumpke Waste & Recycling
70
11
Iron Mountain
59
12
Hillyard Inc.
22

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

Business, Private

PepsiCo Overcomes Lagging US Sales in Strong Q2

PepsiCo reported better-than-expected earnings and revenue in the second quarter despite sluggish North American sales.

July 17, 2025
Business, Private, Top 100

Walmart Eliminates Hundreds of Store-Support, Training Jobs

Walmart is cutting hundreds of store-support roles, its latest move to simplify the structure of the world’s largest retailer.

July 17, 2025
Government, Business, Private, Top 100

Trump Says Coca-Cola Agrees to Use Cane Sugar for US Coke

President Donald Trump said in a Truth Social post that Coca-Cola Co. has agreed to use cane sugar in Coke beverages sold in the U.S.

July 16, 2025
Business, Technology, Fuel, Logistics, Private, Global Freight, Top 100, Top 50

Amazon Emissions Climb 6% in 2024 on Data Centers, Fuel Use

Amazon.com's carbon emissions rose for the first time in three years in 2024, driven by data center construction and fuel consumption by its delivery providers.

July 16, 2025
Business, Logistics, Private

Performance Food Draws Takeover Interest From US Foods

Performance Food Group has attracted takeover interest from US Foods, a potential deal that would create a food distribution company with combined sales of roughly $100 billion.

July 11, 2025
Government, Business, Logistics, Private, Global Freight

Some Sellers Sit Out Amazon Prime Day Over Tariffs

Amazon’s Prime Day is slamming into President Donald Trump’s trade war, with ever-shifting tariffs prompting some brands to sit out the sale and some shoppers hinting they plan to pull back.

July 8, 2025
Business, Logistics, For-Hire, Private, Global Freight

UPS Plans to Offer Voluntary Buyouts to Union Drivers

UPS plans to offer voluntary buyouts to union-represented delivery drivers for the first time in the company’s history as part of an effort to boost profit by slimming down its operations.

July 3, 2025
Government, Business, Logistics, Private, Global Freight

Analysis Shows Trump’s Tariffs Would Cost Employers $82.3B

An analysis finds that a critical group of U.S. employers would face a direct cost of $82.3 billion from President Donald Trump’s current tariff plans.

July 2, 2025
Government, Business, Technology, Logistics, Private, Global Freight

UK Stands by Digital Tax After Canada Bows to Trump Pressure

The U.K. is planning to keep its digital services tax, after Prime Minister Mark Carney scrapped Canada’s levy to restart trade talks with President Donald Trump’s administration.

June 30, 2025
Government, Business, Technology, Logistics, Private, Global Freight

Canada Rescinds Technology Tax on US

Canadian Prime Minister Mark Carney said late June 29 that trade talks with U.S. have resumed after Canada rescinded its plan to tax U.S. technology firms.

June 30, 2025