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View Sweeney Oil's top competitors like Applegreen, Circle K, and ESSO IRELAND LTD.

Circle K
Our mission at Circle K is to make our customers' lives a little easier every day. We are part of communities across North America, Europe, Asia, and the Middle East, helping us grow into one of the world’s leading convenience and fuel retail businesses. Our parent company, Alimentation Couche-Tard (“Couche-Tard”), is a leader in the Canadian convenience store industry. Together, we are brightening journeys across more than 14,200 stores in 26 countries worldwide. We’re all about Growing Together. Learn how you can join our team today: https://workwithus.circlek.com. Work with us, and we’ll make it work for you. Find out more at https://www.circlek.com/ or connect with us on Facebook, Instagram, or Twitter.
Laval, CA
Private
$26.2B Revenue
http://www.circlek.com/
48.9K Employees
Greenergy
Greenergy is a leading supplier of waste-based renewables and transportation fuels with a proven track record of delivering highly reliable customer service. Greenergy markets in the UK, Ireland and Canada. Originally founded to supply diesel with lower emissions than standard diesel, we are committed to driving transport decarbonisation through continued leadership in waste-derived renewables. As Europe’s largest manufacturer of waste-based biodiesel, renewables are integral to our core strategy. Our unique global supply chain enables us to source and produce renewable fuels in the most efficient way and ensuring reliable supply to our market-leading customer portfolio.
UK
Private
$800.8M Revenue
http://www.greenergy.com
722 Employees
Z Energy NZ
Z Energy is an energy company that is focused on contributing to the decarbonisation of New Zealand’s transport network while delivering the fuel Aotearoa needs today. Being a member of the Ampol Group, Z is the largest transport energy provider in Aotearoa. Z sells consumer fuel products via its Z- and Caltex-branded retail service and truck stations, supplies wholesale fuel products to commercial customers, provides commercial and consumer EV charging goods and services, and is the sole owner of electricity retailer, Flick Electric.
Wellington Central, NZ
Public
$4.7B Revenue
http://www.z.co.nz
1.5K Employees
ZEL Ticker
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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