Offen Petroleum
Melissa Maffei is a seasoned finance and customer service professional with extensive experience spanning over two decades. Currently serving as a Billing Specialist at Offen Petroleum since March 2021, Melissa is responsible for invoicing sales and services. Prior to this role, Melissa worked at Nalco Water, an Ecolab Company, for over a decade as an Accounting Clerk and Customer Service Agent, where Melissa provided comprehensive accounting and customer service support. Earlier experience includes serving as Office Manager at HI-Z Business Equipment, managing customer interactions and supporting accounting operations, as well as roles in purchasing, customer service, and administrative support at Res Kem LLC and Purolite Corporation, respectively. Melissa is a graduate of Exeter Township Senior High School.
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Offen Petroleum
Offen Petroleum is your single-stop provider for all fuel, lubricants, DEF, and fuel-hauling needs in the Rocky Mountain Region.Offen Petroleum is a fuel, lubricants, DEF, and premium additives wholesale distributor based in Denver, Colorado. They serve a broad range of commercial and industrial fuels and lubricants accounts, as well as retailgasoline outlets throughout the Rocky Mountain Region. They also own two convenience stores in Northern Colorado and one in the Denver Metro area.