• Mac (computer) or Macintosh
• "macs" (short story)
  Macs (short story)
  macs is a science fiction short story written in 1999 by Terry Bisson.The story consists entirely of dialogue between several people and an investigator...
  
  , a short story by Terry Bisson
• Mac's Convenience Stores
  Mac's Convenience Stores
  Mac's Convenience Stores, Inc. is a chain of convenience stores in Canada. The Company is divided into three geographic business units: Eastern Canada, Central Canada and Western Canada. It has been owned and operated by Alimentation Couche-Tard since 1999....
  
  , a chain of stores in Canada
• Magnetic-activated cell sorting
  Magnetic-activated cell sorting
  Magnetic-activated cell sorting is a trademark name for a method for separation of various cell populations depending on their surface antigens . The term MACS is a registered trademark of Miltenyi Biotec....
  
  
• Metropolitan Area Commuter System
  Metropolitan Area Commuter System
  Metropolitan Area Commuter System is a public transport agency in Fairbanks North Star Borough, Alaska. The agency provides bus service for much of the urbanized Fairbanks Metropolitan Statistical Area, the northernmost such area in the US...
  
  , a bus system in Fairbanks, Alaska
• Multicenter AIDS Cohort Study
  Multicenter AIDS Cohort Study
  The Multicenter AIDS Cohort Study is an ongoing clinical study involving over 6,000 men infected with HIV. The study, a program of the Division of Acquired Immunodeficiency Syndrome, has been ongoing for over 25 years and has resulted in over 1,000 scientific publications....
  
  

See also

• Mac (disambiguation)
• Max (disambiguation)
• Macks Creek, Missouri
  Macks Creek, Missouri
  Macks Creek is a town in Camden County, Missouri, United States. The population was 267 at the 2000 census.-Geography:Macks Creek is located at ....