- Mars Alliance Church
- Mars Animal Depot Vet Hosp
- Mars Area Elementary School
- Mars Area Emergency Med Svc
- Mars Area Middle School
- Mars Area School District
- Mars Area Senior High School
- Mars Auto Electric
- Mars Auto Repair
- Mars Beer Distrubutor
- Mars Boro Street Dept
- Mars Borough Police Dept
- Mars Family Chiropractic Ctr
- Mars Fire Dept
- Mars Heating & Cooling
- Mars Home For Youth
- Mars Housing Inc
- Mars Lanes
- Mars Lumber
- Mars Medical CTR-UPMC
- Mars Memorial Assn
- Mars Mineral Corp
- Mars National Bank
- Mars National Bank
- Mars Primary Ctr
- Mars Pro Shop
- Mars Public Library
- Mars Rod & Gun Club
- Mars Transmission Svc & Auto
- Mars Travel Svc Inc
- Mars United Methodist Church
- Mars UNITED Presbyterian Chr
- Mars-Bethel Driving Range
- Mars-Evans City Self Storage
