1950’s
- James Mahoney incorporates Mahoney Grease Service as a Fats and Oils Recycler
- Mahoney Grease Serviced customers in 100 lb. cans (13 gallons drums)
1960’s
- Mahoney serviced customers with 55-gallon Drums
- Designed locking Cabinets for employee safety, cleanliness, and theft prevention
- Mahoney Grease moves office from Jim’s basement to Willow Springs, IL
- Mahoney expands butcher shop fat and bone service and starts grease trap pump service
1970’s
- John Mahoney joined his father’s in business
- Jim Invents and Patents the Barrel Body Truck to make the routes and handling the 55 gal drums more efficient
- Chicagoland recycler; growing routes into 150-mile radius
- Relocated business to Joliet, IL.
1980’s
- 250-gallon bulk tanks start replacing 55-gallon drums to add more efficiencies
- Purchased Mendota Agri-Products
- Remodeled plant to recycle UCO – pit, tanks, boiler upgrades
1990 ‘s
- Grew Midwest footprint
1995-1999
- John Mahoney becomes President of Mahoney Environmental
- Inside Tanks were developed, assembled, shipped nationally, and installed into Restaurants for easy, safe and clean solution; “The Recycler” by Mahoney
2000
- Joe Petrusha designed, tested, and marketed the Direct Connection: direct piping from fryers to tanks
2004
- Mahoney designed the 31’’ Round ClearView UCO Tank
2007
- Opened collections in Denver, CO, Atlanta, GA, and St Louis, MO
2008
- Mahoney named Vendor of the Year by Burger King Franchise Group
2009
- Company shifts focus onto UCO, Equipment, Grease Traps and commits to self -service expansion
- Redesigned our mill plant
2010’s
- Preferred Oil business line rolled out: Fresh and waste closed loop system
2011
- set up Mahoney Managed services to provide nationwide service
2012
- Built Denver plant
- Built Raleigh plant
- Upgraded wastewater facilities in Mendota and built an anaerobic digester
- Consolidated leadership around the vision to become a national service company.
- Restructured company: two Presidents reporting to CEO. Each president building out team.
2013
- Signed 5-year national deal with BWW
- Expanded into Texas
- Rick Sabol named President of Mahoney Environmental, and builds out Leadership Team
2014
- Acquired RRS routes in IL and IN
- Focus on cost containment
- Develops remote tank monitoring for efficient collections and customer transparency
2015
- Expanded into North and South Carolina
- Acquired US Foods customers in Carolinas and New England
- Mahoney Awarded Vendor of Excellence by Buffalo Wild Wings
2016
- Upgraded AD in Mendota to execute a tipping fee model.
- Exited rendering collections business
- Refined vision to self-serve national customers (horizontal); and waste to energy (vertical) at Mendota
- Mendota expand Liquid Recycling and Industrial businesses.
2017
- Expanded into Pennsylvania.
- Expanded into Phoenix, AZ
- Transition into East – West Operational Units
2018
- LCFS gains traction and demand for Used Cooking oil grows globally
2019
- Designed and Built Preferred Oil Depot in Joliet, IL
- Mahoney operates self-service routes out of 9 oil recycling facilities and exports sales of finished products
2020
- May 1st Neste US acquires Mahoney Environmental and continues organic and acquisition expansion
2021
- Expanded into Florida
2022
- January – Dave Kimball becomes CEO and President
- Expanded into San Diego, CA, New England, New York, and Los Angeles, CA
2023
- SeQuential became a Neste subsidiary
- February 20th – Mahoney turns 70!
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