ITT can refer to several things depending on the context. Here are some possible meanings:

• ITT Inc.: ITT Inc. is an American worldwide manufacturing company based in Stamford, Connecticut. The company produces specialty components for the aerospace, transportation, energy, and industrial markets.

• In This Thread: ITT is an initialism that stands for "in this thread." Its typically used on online forums, social networking sites, and message boards to describe or suggest a topic to be discussed in a particular thread.

• Invitation to Tender: An invitation to tender (ITT) is a formal document that is issued by a company or an organization inviting suppliers or contractors to submit a bid for a product or service. This process is part of the procurement cycle and is commonly used in public sectors such as construction, large-scale manufacturing, information technology, and government projects.

• Intention to Treat: In research settings, ITT can mean “Intention To Treat.” This is a design principle used in clinical trials where participants are analyzed based on the group they were originally assigned to, regardless of whether they completed the intervention or not. This approach helps preserve the randomization of the trial and reduces the risk of bias in the results.

• Institute of Travel and Tourism: ITT can also refer to the Institute of Travel and Tourism, a professional membership organization for individuals employed in the travel and tourism industry.

• Introduction to Technology: In some schools, ITT stands for "Introduction to Technology," a subject that introduces students to various aspects of technology, including computer hardware and software, programming, and digital media.

Its important to note that the meaning of ITT can vary depending on the context, so its always best to clarify the specific meaning in a given situation.