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View Mainline Fleet's top competitors like ARI, Donlen, and Enterprise.

Enterprise
Enterprise Rent-A-Car, a leading American car rental company, is headquartered in Clayton, Missouri, situated in Greater St. Louis. Serving as the primary brand under Enterprise Holdings, it operates alongside Alamo Rent a Car and National Car Rental, among other agencies.
SA
Private
$14.2B Revenue
https://www.enterprise.com/
360 Employees
Samsara
Samsara (NYSE: IOT) builds with the operators who keep the world moving. Working alongside the drivers, mechanics, dispatchers, and crews behind the world's most complex operations, Samsara turns what they know into technology that makes their work safer and more efficient. Tens of thousands of organizations rely on Samsara across transportation, construction, logistics, manufacturing, field services, government, and more. Built with operators, for operators.
San Francisco, California, US
Public
$652.5M Revenue
http://www.samsara.com
5.8K Employees
IOT Ticker
Wheels, Inc.
As one of North America's largest fleet management and mobility solutions providers, Wheels helps businesses improve performance across the full mobility lifecycle. Through Results+, our proven consultative methodology, we partner with organizations to align strategies and solutions with their unique goals, delivering stronger financial and operational performance, better driver experiences and more responsible, resilient fleet programs. Today, Wheels supports more than 1,500 clients, manages 900,000+ vehicles across the U.S. and Canada and oversees more than $9 billion in assets. Our comprehensive portfolio includes vehicle acquisition and remarketing, fleet leasing, maintenance, accident management, fuel and EV charging, toll management, telematics, pool management, mileage reimbursement, ride-hailing solutions and more. Whether managing a sales fleet, service fleet, trucks and equipment, last-mile delivery operation or electric vehicle program, organizations rely on Wheels to simplify complexity, improve outcomes and create experiences drivers love. Since inventing fleet management in 1939, Wheels has combined deep industry expertise with practical innovation to help shape the future of mobility. As the market's best-capitalized fleet management company, we continue to invest in the people, technology, and solutions that help our clients move business forward.
Schaumburg, Illinois, US
Private
$620.5M Revenue
http://www.wheels.com
1.7K Employees
G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
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