1994
- MacLellan opens office in Lexington, Kentucky
- MacLellan launches first critical process cleaning OEM contract, Georgetown, Kentucky
1995
- MacLellan launches second critical process cleaning OEM contract, Lafayette, Indiana
1996
- MacLellan launches 1st non-automotive critical process cleaning contract, Anoka, Minnesota
- MacLellan begins critical process cleaning contract, Vance, Alabama
- MacLellan performs project work in aerospace facilities, Auburn & Fredrickson, Washington
1997
- MacLellan begins on-going support of aerospace facility, Portland, Oregon
1999
- MacLellan is awarded critical process cleaning contract in Evart, Michigan
2000
- MacLellan launches first Maintenance & Engineering support contract in Georgetown, Kentucky
2001
- MacLellan becomes a private entity
- MacLellan expands into northern Indiana
2003
- MacLellan is awarded critical process cleaning & maintenance contract, Princeton, Indiana
2004
- MacLellan is awarded first waste water management contract, Vance, Alabama
2005
- MacLellan establishes the MacLellan scholarship for employee’s children to attend college
- MacLellan begins equipment maintenance and chemical management programs in Michigan
2006
- MacLellan acquires Haden India
2007
- MacLellan lands first Canadian contract performing critical process cleaning in Delta, British Columbia
2008
- MacLellan launches critical process cleaning and maintenance contract, San Antonio, Texas
2010
- MacLellan launches first facilities management contract
2011
- MacLellan is awarded critical process cleaning contract, Blue Springs, Mississippi
- MacLellan is awarded 5 new contracts
- MacLellan launches operations in state of Tennessee
2012
- MacLellan is awarded new business with fascia supplier in Evansville, Indiana
- MacLellan begins operations in Georgia
2013
- MacLellan achieves 2 million hours with ‘no lost day injury’
- MacLellan engages in charitable corporate partnership with USA Cares who support post-9/11 veterans
2014
- MacLellan launches business in transmission facility in Tipton, Indiana
- MacLellan launches HVAC & Mechanical Services, Decatur, Alabama
- MacLellan launches 1st contract with recreational vehicle customer, Spirit Lake, Iowa
- MacLellan launches 1st contract with furniture industry customer in Grand Rapids, Michigan
2015
- MacLellan is awarded critical process cleaning contract in Cambridge, Ontario, Canada
- MacLellan launches contract in Newbern, Tennessee
- MacLellan launches HVAC & Mechanical Services, Indianapolis, Indiana
- MacLellan opens business center in Franklin, Tennessee
2016
- MacLellan expands in Lafayette, Indiana to provide industrial waste water management
- MacLellan launches new operations in Jackson, TN providing machine cleaning services
2017
- MacLellan launches 1st total booth management contract in Belvidere, Illinois
- MacLellan launches facility services and critical process cleaning services in Greer, South Carolina
2018
- MacLellan expands total booth management services at two locations in Sterling Heights, Michigan
- MacLellan completes record number of deep clean projects for aerospace partner in Everett, Washington
- MacLellan records safest year in company history
2019
- MacLellan celebrates 25 years of customer service
- MacLellan expands in Lafayette, Indiana to provide production support
- MacLellan launches production maintenance support in Blue Springs, Mississippi
- MacLellan moves into North Carolina to support major commercial truck manufacturer
- MacLellan expands work on west coast
- MacLellan donations to USA Cares, charitable corporate partner, tops $1M
2020
- MacLellan launches 1st contract in the state of Virginia
- MacLellan expands in Roanoke, Virginia to provide maintenance operations
- MacLellan supports new construction launch for new JV in Huntsville, AL
- MacLellan maintains employee roster amidst international pandemic
2021
- MacLellan supports new construction launch in Arizona with industrial cleaning and wastewater management operations
- MacLellan transitions into support role in Cottondale, AL
- MacLellan expands partnership with major heavy truck supplier
- MacLellan expands with Virginia customer to supply support in paint and weld shops
- MacLellan launches facility maintenance in Woodstock, AL
- MacLellan transitions into support role with fascia supplier in SC
- MacLellan supports new construction launch for new EV manufacturer
- MacLellan builds new relationship with fascia supplier in Chattanooga, TN
2022
- MacLellan supports customer expansion in Virginia
- MacLellan expands scope of services with long time IN customer
- MacLellan manages offsite jig & skid cleaning to support EV manufacturer
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