• +, the mathematical sign, see plus and minus signs
  Plus and minus signs
  The plus and minus signs are mathematical symbols used to represent the notions of positive and negative as well as the operations of addition and subtraction. Their use has been extended to many other meanings, more or less analogous...
  
  
• +, the international call prefix
• + (Ed Sheeran album), a 2011 album by Ed Sheeran
• PLUS Loan
  PLUS loan
  A PLUS Loan is a student loan offered to parents of students enrolled at least half time in eligible programs at participating and eligible post-secondary institutions or graduate and professional students at participating and eligible postsecondary institutions.-Similarities with Stafford and...
  
  , a United States Federal student loan
• Plus Magazine
  Plus Magazine
  Plus is an online popular-mathematics magazine run under the Millennium Mathematics Project at the University of Cambridge.Plus contains:* feature articles, which describe applications of mathematics to real-world problems;...
  
  , an online mathematics magazine
• Promoting Logical Unified Security, a system for rating a building's security
• Plus (programming language)
  Plus (programming language)
  Plus is a "Pascal-like" system implementation language from the University of British Columbia , Canada, based on the SUE system language developed at the University of Toronto, circa 1971.- Description :...
  
  , developed at the University of British Columbia
• "+", a song by Ayumi Hamasaki on her album, Rainbow
  Rainbow (Ayumi Hamasaki album)
  Upon its release, the album received mixed reviews. Adam Greenberg of Allmusic stated, "[Rainbow] came after a string of high-charting albums, itself not reaching the same heights thanks to some interesting but uneven experimentation with her sound"...
  
  
• The Professional Liability Underwriting Society
  Professional Liability Underwriting Society
  The Professional Liability Underwriting Society is a non-profit organization with membership open to persons interested in the promotion and development of the professional liability industry.- History :PLUS was founded in 1986...
  
  , a non-profit organization for the promotion and development of the professional liability industry

Company Names

• Plus Communication Sh.A, a cellphone company in Albania
• Plus (telecommunications Poland), a mobile phone brand in Poland
• Plus (TV channel), digital channel run by Granada Sky Broadcasting
• Plus (interbank network), an international interbank network
• PLUS Markets, a small stock exchange in London, UK
• PLUS Expressway Berhad, concessionaire of the North-South Expressway, Malaysia
• Plus (supermarket)
  Plus (supermarket)
  Plus was a German supermarket chain founded in 1972. It operated 2,840 stores in Germany with an approximate 27,000 employees and about 1,200 stores in several other European countries...
  
  , a German supermarket chain