Organizations

• Machine and Tractor Station
  Machine and Tractor Station
  The Machine and Tractor Station was a state enterprise for ownership and maintenance of agricultural machinery that were used in kolkhozes. The first ever MTS was organized in the Odeska region...
  
  , a state enterprise of agricultural machinery in the Soviet Union
• Manitoba Teachers' Society
  Manitoba Teachers' Society
  The Manitoba Teachers' Society is the provincial trade union body for the teachers of Manitoba, Canada. It was founded in 1919, and currently has around 15,000 members...
  
  , 1919-present, a Manitoba, Canada teacher union
• Marine Technology Society
  Marine Technology Society
  The Marine Technology Society is a professional society that serves the international community of ocean engineers, technologists, policy-makers, and educators. The goal of the society, which was founded in 1963, is to promote awareness, understanding, advancement and application of marine...
  
  , a society of marine engineers, technologists, policy makers and educators
• Metro Transport Sydney, 1997-present, a light rail and monorail operator in Sydney, Australia
• Millennium Transit Services, 2003-2009, a United States bus builder
• MTS Systems Corporation
  MTS Systems Corporation
  MTS Systems Corporation is a testing and sensing solutions company located in Eden Prairie, Minnesota, a southwest suburb of Minneapolis.MTS is a provider of mechanical test systems, material testing, fatigue testing and tensile testing services as well as motion simulation system and calibration...
  
  , 1966-present, a testing and sensing solutions company
• Metropolitan Transit System, 1886-present, a public transit operator in San Diego
• Manitoba Telecom Services
  Manitoba Telecom Services
  Manitoba Telecom Services Inc. , or MTS , formerly Manitoba Telephone System, is the primary telecommunications carrier in the Canadian province of Manitoba and the fourth largest telecommunications provider in Canada with 7000 employees...
  
  , a Manitoba, Canada land-line and wireless provider
• Mobile Telephony of Serbia
  Mobile Telephony of Serbia
  mt:s or Mobile Telephony of Serbia is the mobile telephone subdivision of Telekom Srbija, which was founded in June 1997 and started operating in August 1998. The company offers a wide range of services to business and private clients, the latest being the 3G technology, introduced in late 2006...
  
  , a subsidiary of Telekom Srbija
• Mobile TeleSystems
  Mobile TeleSystems
  MTS is the largest mobile operator in Russia and CIS with over 102,4 million subscribers as of 31 December 2009.Having started in the Moscow license zone in 1994, МТS in 1997 received licenses for further areas and began expansion, later entering other countries of the CIS...
  
  , a Russian mobile phone provider
• MTS India, an Indian service provider
• Merchant Taylors' School (disambiguation), several

Medicine and biology

• Malaysian Trumpet Snails, a small freshwater snail with red spots on a green-brown shell
• Mesial temporal sclerosis
  Mesial temporal sclerosis
  Mesial temporal sclerosis is a specific pattern of hippocampal neuron cell loss . There are 3 specific patterns of cell loss; Cell loss might involve sectors CA1 and CA4, CA4 alone, or CA1 to CA4 . Associated hippocampal atrophy and gliosis is common...
  
  , a specific pattern of hippocampal neuron cell loss in temporal lobe epilepsy
• Mohr-Tranebjaerg syndrome
  Mohr-Tranebjaerg syndrome
  Mohr–Tranebjærg syndrome is a rare X-liked recessive syndrome also known as Deafness-dystonia syndrome and caused by mutation in the TIMM8A gene. It was first described in 1960...
  
  , causes severe deafness and dystonia caused by mutation in the TIMM8A gene
• MTS assay, a biochemical cell assay used in research
• Muir–Torre syndrome, a subtype of HNPCC cancer caused by the genes MLH1 & MSH2

Science and technology

• Multichannel television sound
  Multichannel television sound
  Multichannel television sound, better known as MTS , is the method of encoding three additional channels of audio into an NTSC-format audio carrier.- History :...
  
  , a method of encoding three additional audio channels into a single NTSC-format audio carrier
• MIDI Tuning Standard
  MIDI Tuning Standard
  MIDI Tuning Standard is a specification of precise musical pitch agreed to by the MIDI Manufacturers Association in the MIDI protocol. MTS allows for both a bulk tuning dump message, giving a tuning for each of 128 notes, and a tuning message for individual notes as they are played.-Frequency...
  
  , a specification of precise musical pitch
• Metre-tonne-second system of units
  Metre-tonne-second system of units
  The metre-tonne-second or mts system of units is a system of physical units. It was invented in France, hence the unit names sthène and pièze, and was adopted only by the Soviet Union in 1933, and abolished there in 1955. It was built on the same principles as the cgs system, but with larger units...
  
  , mts, large scale analog of the CGS system
• Mobile Telephone System, or Manual Tone Shift, an early mobile telephone standard
• Movement Tracking System
  Movement Tracking System
  The United States Army’s Movement Tracking System is a logistics communication platform under the Program Executive Office for Enterprise Information Systems . It is designed for commanders to track assets on the battlefield with encrypted text messaging...
  
  , a United States military communications and logistics system
• MPEG transport stream

Computers

• Michigan Terminal System
  Michigan Terminal System
  The Michigan Terminal System is one of the first time-sharing computer operating systems. Initially developed in 1967 at the University of Michigan for use on IBM S/360-67, S/370 and compatible mainframe computers, it was developed and used by a consortium of eight universities in the United...
  
  , a mainframe operating system
• Microsoft Transaction Server
  Microsoft Transaction Server
  Microsoft Transaction Server was software that provided services to Component Object Model software components, to make it easier to create large distributed applications. The major services provided by MTS were automated transaction management, instance management and role-based security...
  
  , software whose functionality is now in COM+
• .mts, a container file format used for multiplexing audio, video and other streams

Business

• Member of Technical Staff
  Member of Technical Staff
  A Member of Technical Staff is the title for permanent research staff at some institutions and companies. It is roughly equivalent to an assistant professor or associate professor at a university or a chief technical officer in a technology startup company.A Distinguished Member of Technical...
  
  , the title for permanent research staff at some institutions and companies
• Make to stock, periodic or flow production of (normally) few product variations to stock

Education

• Master of Theological Studies
  Master of Theological Studies
  A Master of Theological Studies is a general academic degree that gives students an introduction to advanced theological studies. The M.T.S usually requires two years of program study to complete. The Latin equivalent for M.T.S...
  
  , a general academic degree
• Ministry Training Strategy, an Australian based apprenticeship for evangelical Christian ministry