Broadcasters

• Radiodiffusion Television Ivoirienne
  Radiodiffusion Television Ivoirienne
  Radiodiffusion-Télévision ivoirienne is the publicly owned radio and television authority of Côte d'Ivoire. It is financed through a combination of television and radio licences, advertisement, and taxes.-Radio:...
  
   - The state broadcaster of Ivory Coast
• Radio Taiwan International
  Radio Taiwan International
  Radio Taiwan International is the English name and call sign of the international radio service, the Central Broadcasting System of the Republic of China, commonly known as Taiwan...
  
  
• Reti Televisive Italiane
  Mediaset
  Mediaset S.p.A., known as Gruppo Mediaset in Italian, is an Italian-based media company which is the largest commercial broadcaster in the country...
  
  , Mediaset group (Italy)
• RTI Colombia
  RTI Colombia
  RTI Colombia, also known as Radio Televisión Interamericana , is a Colombian television production company. It aired 14.5 per week of programming each week in 1993....
  
  , a TV production company

Other companies

• Real-Time Innovations
  Real-Time Innovations
  Real Time Innovations, Inc. is a computer networking software company headquartered in Sunnyvale, California specializing in publish/subscribe middleware. The company's major competitors are PrismTech, 29West, and TIBCO Software.- History :...
  
  , a company that provides middleware infrastructure, tools, and services to develop real-time distributed systems
• Research Triangle Institute, a not-for-profit organization performing research in many disciplines for government, industry and other clients throughout the United States and abroad
• RTI International Metals, Inc. - one of the world's largest titanium companies

Computer science

• Run-Time Infrastructure (simulation), the software that is required when implementing the computer simulation protocol: High Level Architecture (HLA)
• Run-Time Interrupt, a type of low level interrupt on some types of computer architecture
  Computer architecture
  In computer science and engineering, computer architecture is the practical art of selecting and interconnecting hardware components to create computers that meet functional, performance and cost goals and the formal modelling of those systems....
  
  

Health

• Reproductive tract infection - an infection in the reproductive system
• Respiratory tract infection
  Respiratory tract infection
  Respiratory tract infection refers to any of a number of infectious diseases involving the respiratory tract. An infection of this type is normally further classified as an upper respiratory tract infection or a lower respiratory tract infection...
  
   - an infection of the respiratory system
• Reverse transcriptase inhibitor
  Reverse transcriptase inhibitor
  Reverse-transcriptase inhibitors are a class of antiretroviral drug used to treat HIV infection, tumors, and cancer. RTIs inhibit activity of reverse transcriptase, a viral DNA polymerase enzyme that retroviruses need to reproduce.-Mechanism:...
  
  , a class of antiretroviral drug

Other uses

• Ramp travel index
  Ramp travel index
  Ramp travel index or RTI, is a way of measuring a vehicle's ability to flex its suspension, a property also known as axle articulation. The RTI rating is used mainly in the off-roading industry to test and describe chassis limits of modified vehicles....
  
   - a measure of an off road vehicle articulation - ability to keep all wheels in contact with the ground over uneven terrain
• Relative Temperature Index
• Response to Intervention
  Response to intervention
  In education, Response To Intervention is a method of academic intervention used in the United States which is designed to provide early, effective assistance to children who are having difficulty learning. Response to intervention was also designed to function as one part of a data-based process...
  
   - RTI or RtI; Related to education; involves examining the performance of individuals after an educational intervention
• Right to Information Act
  Right to Information Act
  The Right to Information Act 2005 is an Act of the Parliament of India "to provide for setting out the practical regime of right to information for citizens." The Act applies to all States and Union Territories of India except the State of Jammu and Kashmir. Jammu and Kashmir has its own act...
  
  , a law enacted by the Parliament of India giving access to government records
• Road Traffic Information - the GPS navigation system in Volvo
  Volvo
  AB Volvo is a Swedish builder of commercial vehicles, including trucks, buses and construction equipment. Volvo also supplies marine and industrial drive systems, aerospace components and financial services...
  
   cars
• Rti (Lučani), a village in Serbia
• Response Time Index - a measure of the thermal responsiveness of fire sprinkler
  Fire sprinkler
  A fire sprinkler system is an active fire protection measure, consisting of a water supply system, providing adequate pressure and flowrate to a water distribution piping system, onto which fire sprinklers are connected...
  
  s