Tier 1 or Tier One may refer to: *

Tier 1 capital Tier 1 capital is the core measure of a bank's financial strength from a regulator's point of view.By definition of Bank for International Settlements. It is composed of ''core capital'', which consists primarily of common stock and disclosed ...

, the core measure of a bank's financial strength *

Tier 1 network A Tier 1 network is an Internet Protocol (IP) network that can reach every other network on the Internet solely via settlement-free interconnection (also known as settlement-free peering). Tier 1 networks can exchange traffic with other Tier 1 net ...

, category of Internet backbone network *

Scaled Composites Tier One Tier One was a Scaled Composites' 1990s–2004 program of suborbital human spaceflight using the reusable spacecraft SpaceShipOne and its launcher White Knight. The craft was designed by Burt Rutan, and the project was funded 20 million US Dol ...

, a suborbital human spaceflight program * Tier 1 nations in rugby union *

WTA Tier I tournaments The WTA Tier I tournaments were Women's Tennis Association tennis elite tournaments held from 1990 until the end of the 2008 season. From 1988 to 1990, the different levels of WTA tournaments were referred to by the term 'Category', and there ...

, a series of elite women's tennis tournaments * Tier 1 visas under the

Points-based immigration system (United Kingdom) Immigration policies of the United Kingdom are the areas of modern British policy concerned with the immigration system of the United Kingdom—primarily, who has the right to visit or stay in the UK. British immigration policy is under the purv ...

* Tier 1 – UK Nuclear Site Management & Licensing, nuclear site management licensees * Tier 1, a US military designation for special forces units, see

special mission unit A special mission unit (SMU), at one time referred to as a "tier 1" unit, is a designation for the United States military's most highly secretive and elite special operations forces. The term ''special missions unit'' is also used in Australia to ...

* Tier 1 in the

First COVID-19 tier regulations in England On 14 October 2020, the UK Government abandoned its attempts to control the spread of SARS-CoV-2 by means of piecemeal local regulations and introduced a three-tier approach across England, with legal restrictions varying according to gover ...

, the lowest concern * Tier 1 in the

Second COVID-19 tier regulations in England The Health Protection (Coronavirus, Restrictions) (All Tiers) (England) Regulations 2020 (SI 2020/1374) is an English emergency statutory instrument that replaced the second lockdown regulations from 2 December 2020. As initially made, it bro ...

, the lowest concern * Tier I, a

data center A data center is a building, a dedicated space within a building, or a group of buildings used to house computer systems and associated components, such as telecommunications and storage systems. Since IT operations are crucial for busines ...

standard * Tier I, in

United States vehicle emission standards United may refer to: Places * United, Pennsylvania, an unincorporated community * United, West Virginia, an unincorporated community Arts and entertainment Films * ''United'' (2003 film), a Norwegian film * ''United'' (2011 film), a BBC Two f ...

*In a

supply chain A supply chain is a complex logistics system that consists of facilities that convert raw materials into finished products and distribute them to end consumers or end customers, while supply chain management deals with the flow of goods in distri ...

, those suppliers who sell to the manufacturer or main customer directly

See also