- MacLellan is awarded critical process cleaning contract in Cambridge, Ontario, Canada
- MacLellan launches contract in Newbern, Tennessee
- 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 Frankin, Tennessee
2015
