Selected research
Market Outlook & Growth Opportunities
Global Surge Tank Market Outlook and Growth Opportunities 2026
Market perspective
The global Surge Tank market was valued at US$ million in 2026 and is projected to reach US$ million by 2032, implying a compound annual growth rate (CAGR) of % over 2026-2032.
The North America market for Surge Tank is projected to increase from US$ million in 2026 to US$ million by 2032, at a CAGR of % over 2026-2032.
The Europe market for Surge Tank is projected to increase from US$ million in 2026 to US$ million by 2032, at a CAGR of % over 2026-2032.
Read the full market overview
The Asia Pacific market for Surge Tank is projected to increase from US$ million in 2026 to US$ million by 2032, at a CAGR of % over 2026-2032.
In China, the Surge Tank market is projected to increase from US$ million in 2026 to US$ million by 2032, at a CAGR of % over 2026-2032.
Major global companies in the Surge Tank market include Alpha Tanks, Squibb Tank, RothLochston, Young Engineering & Manufacturing, TransTech Fabrication, Wheeler Tank Manufacturing, Wiltsie Construction, Steelways and AA Tanks, among others. In 2025, the top three vendors together accounted for approximately % of global revenue.
This report provides an overview of the global Surge Tank market in terms of sales, revenue, and price, analyzing global market trends using historical revenue and sales data for 2021-2025, estimates for 2026, and projected CAGRs through 2032.
The study covers key producers of Surge Tank and sales in major regions and countries, assesses future market potential, and highlights priority regions and countries for segmenting the market into sub-sectors, with country-specific market value data for the U.S., Canada, Mexico, Brazil, China, Japan, South Korea, Southeast Asia, India, Germany, the U.K., Italy, the Middle East, Africa, and other countries.
The report also presents Surge Tank sales, revenue, market share, and industry ranking for the main manufacturers for 2021-2026, identifies the major stakeholders in the global market, and analyzes their competitive landscape and market positioning based on recent developments and segmental revenues.
In addition, the report analyzes segment data by Type and Application—covering sales, revenue, and price—for 2021-2032, and evaluates and forecasts the Surge Tank market size, projected growth trends, production technologies, key applications, and end-use industries.
Surge Tank Segment by Company
Alpha Tanks
Squibb Tank
RothLochston
Young Engineering & Manufacturing
TransTech Fabrication
Wheeler Tank Manufacturing
Wiltsie Construction
Steelways
AA Tanks
Surge Tank Segment by Type
Below 1000 gallon
1000-8000 gallon
Above 8000 gallon
Surge Tank Segment by Application
Oil and Gas Industry
Electricity Industry
Others
Surge Tank Segment by Region
North America
United States
Canada
Mexico
Europe
Germany
France
U.K.
Italy
Russia
Spain
Netherlands
Switzerland
Sweden
Poland
Asia-Pacific
China
Japan
South Korea
India
Australia
Taiwan
Southeast Asia
South America
Brazil
Argentina
Chile
Middle East & Africa
Egypt
South Africa
Israel
Türkiye
GCC Countries
Study Objectives
1. To analyze and research the global Surge Tank status and future forecast, involving, sales, revenue, growth rate (CAGR), market share, historical and forecast.
2. To present the key manufacturers, sales, revenue, market share, and Recent Developments.
3. To split the breakdown data by regions, type, manufacturers, and Application.
4. To analyze the global and key regions Surge Tank market potential and advantage, opportunity and challenge, restraints, and risks.
5. To identify Surge Tank significant trends, drivers, influence factors in global and regions.
6. To analyze Surge Tank competitive developments such as expansions, agreements, new product launches, and acquisitions in the market.
Reasons to Buy This Report
1. This report will help the readers to understand the competition within the industries and strategies for the competitive environment to enhance the potential profit. The report also focuses on the competitive landscape of the global Surge Tank market, and introduces in detail the market share, industry ranking, competitor ecosystem, market performance, new product development, operation situation, expansion, and acquisition. etc. of the main players, which helps the readers to identify the main competitors and deeply understand the competition pattern of the market.
2. This report will help stakeholders to understand the global industry status and trends of Surge Tank and provides them with information on key market drivers, restraints, challenges, and opportunities.
3. This report will help stakeholders to understand competitors better and gain more insights to strengthen their position in their businesses. The competitive landscape section includes the market share and rank (in sales and value), competitor ecosystem, new product development, expansion, and acquisition.
4. This report stays updated with novel technology integration, features, and the latest developments in the market.
5. This report helps stakeholders to gain insights into which regions to target globally.
6. This report helps stakeholders to gain insights into the end-user perception concerning the adoption of Surge Tank.
7. This report helps stakeholders to identify some of the key players in the market and understand their valuable contribution.
Chapter Outline
Chapter 1: Provides an overview of the Surge Tank market, including product definition, global market growth prospects, sales value, sales volume, and average price forecasts (2021-2032).
Chapter 2: Analysis key trends, drivers, challenges, and opportunities within the global Surge Tank industry.
Chapter 3: Detailed analysis of Surge Tank manufacturers competitive landscape, price, sales and revenue market share, latest development plan, merger, and acquisition information, etc.
Chapter 4: Provides the analysis of various market segments by type, covering the market size and development potential of each market segment, to help readers find the blue ocean market in different market segments.
Chapter 5: Provides the analysis of various market segments by application, covering the market size and development potential of each market segment, to help readers find the blue ocean market in different downstream markets.
Chapter 6: Sales and value of Surge Tank in regional level. It provides a quantitative analysis of the market size and development potential of each region and introduces the market development, future development prospects, market space, and market size of each country in the world.
Chapter 7: Sales and value of Surge Tank in country level. It provides sigmate data by type, and by application for each country/region.
Chapter 8: Provides profiles of key players, introducing the basic situation of the main companies in the market in detail, including product sales, revenue, price, gross margin, product introduction, recent development, etc.
Chapter 9: Analysis of industrial chain, including the upstream and downstream of the industry.
Chapter 10: Concluding Insights.
More report detail
Tables and figures
Scope & coverage.
Types
- Below 1000 gallon
- 1000-8000 gallon
- Above 8000 gallon
Applications
- Oil and Gas Industry
- Electricity Industry
- Others
Companies covered
- Alpha Tanks
- Squibb Tank
- RothLochston
- Young Engineering & Manufacturing
- TransTech Fabrication
- Wheeler Tank Manufacturing
- Wiltsie Construction
- Steelways
- AA Tanks
Inside the report.
1 Market Overview
- 1.1 Product Definition
- 1.2 Global Market Growth Prospects
- 1.2.1 Global Surge Tank Sales Value (2021-2032)
- 1.2.2 Global Surge Tank Sales Volume (2021-2032)
- 1.2.3 Global Surge Tank Sales Average Price (2021-2032)
- 1.3 Assumptions and Limitations
- 1.4 Study Goals and Objectives
2 Surge Tank Market Dynamics
- 2.1 Surge Tank Industry Trends
- 2.2 Surge Tank Industry Drivers
- 2.3 Surge Tank Industry Opportunities and Challenges
- 2.4 Surge Tank Industry Restraints
3 Surge Tank Market by Company
- 3.1 Global Surge Tank Company Revenue Ranking in 2025
- 3.2 Global Surge Tank Revenue by Company (2021-2026)
- 3.3 Global Surge Tank Sales Volume by Company (2021-2026)
- 3.4 Global Surge Tank Average Price by Company (2021-2026)
- 3.5 Global Surge Tank Company Ranking (2024-2026)
- 3.6 Global Surge Tank Company Manufacturing Base and Headquarters
- 3.7 Global Surge Tank Company Product Type and Application
- 3.8 Global Surge Tank Company Establishment Date
- 3.9 Market Competitive Analysis
- 3.9.1 Global Surge Tank Market Concentration Ratio (CR5 and HHI)
- 3.9.2 Global Top 5 and 10 Company Market Share by Revenue in 2025
- 3.9.3 2025 Surge Tank Tier 1, Tier 2, and Tier 3 Companies
- 3.10 Mergers and Acquisitions Expansion
4 Surge Tank Market by Type
- 4.1 Surge Tank Type Introduction
- 4.1.1 Below 1000 gallon
- 4.1.2 1000-8000 gallon
- 4.1.3 Above 8000 gallon
- 4.2 Global Surge Tank Sales Volume by Type
- 4.2.1 Global Surge Tank Sales Volume by Type (2021 VS 2025 VS 2032)
- 4.2.2 Global Surge Tank Sales Volume by Type (2021-2032)
- 4.2.3 Global Surge Tank Sales Volume Share by Type (2021-2032)
- 4.3 Global Surge Tank Sales Value by Type
- 4.3.1 Global Surge Tank Sales Value by Type (2021 VS 2025 VS 2032)
- 4.3.2 Global Surge Tank Sales Value by Type (2021-2032)
- 4.3.3 Global Surge Tank Sales Value Share by Type (2021-2032)
5 Surge Tank Market by Application
- 5.1 Surge Tank Application Introduction
- 5.1.1 Oil and Gas Industry
- 5.1.2 Electricity Industry
- 5.1.3 Others
- 5.2 Global Surge Tank Sales Volume by Application
- 5.2.1 Global Surge Tank Sales Volume by Application (2021 VS 2025 VS 2032)
- 5.2.2 Global Surge Tank Sales Volume by Application (2021-2032)
- 5.2.3 Global Surge Tank Sales Volume Share by Application (2021-2032)
- 5.3 Global Surge Tank Sales Value by Application
- 5.3.1 Global Surge Tank Sales Value by Application (2021 VS 2025 VS 2032)
- 5.3.2 Global Surge Tank Sales Value by Application (2021-2032)
- 5.3.3 Global Surge Tank Sales Value Share by Application (2021-2032)
6 Surge Tank Regional Sales and Value Analysis
- 6.1 Global Surge Tank Sales by Region: 2021 VS 2025 VS 2032
- 6.2 Global Surge Tank Sales by Region (2021-2032)
- 6.2.1 Global Surge Tank Sales by Region: 2021-2026
- 6.2.2 Global Surge Tank Sales by Region (2027-2032)
- 6.3 Global Surge Tank Sales Value by Region: 2021 VS 2025 VS 2032
- 6.4 Global Surge Tank Sales Value by Region (2021-2032)
- 6.4.1 Global Surge Tank Sales Value by Region: 2021-2026
- 6.4.2 Global Surge Tank Sales Value by Region (2027-2032)
- 6.5 Global Surge Tank Market Price Analysis by Region (2021-2026)
- 6.6 North America
- 6.6.1 North America Surge Tank Sales Value (2021-2032)
- 6.6.2 North America Surge Tank Sales Value Share by Country, 2025 VS 2032
- 6.7 Europe
- 6.7.1 Europe Surge Tank Sales Value (2021-2032)
- 6.7.2 Europe Surge Tank Sales Value Share by Country, 2025 VS 2032
- 6.8 Asia-Pacific
- 6.8.1 Asia-Pacific Surge Tank Sales Value (2021-2032)
- 6.8.2 Asia-Pacific Surge Tank Sales Value Share by Country, 2025 VS 2032
- 6.9 South America
- 6.9.1 South America Surge Tank Sales Value (2021-2032)
- 6.9.2 South America Surge Tank Sales Value Share by Country, 2025 VS 2032
- 6.10 Middle East & Africa
- 6.10.1 Middle East & Africa Surge Tank Sales Value (2021-2032)
- 6.10.2 Middle East & Africa Surge Tank Sales Value Share by Country, 2025 VS 2032
7 Surge Tank Country-level Sales and Value Analysis
- 7.1 Global Surge Tank Sales by Country: 2021 VS 2025 VS 2032
- 7.2 Global Surge Tank Sales Value by Country: 2021 VS 2025 VS 2032
- 7.3 Global Surge Tank Sales by Country (2021-2032)
- 7.3.1 Global Surge Tank Sales by Country (2021-2026)
- 7.3.2 Global Surge Tank Sales by Country (2027-2032)
- 7.4 Global Surge Tank Sales Value by Country (2021-2032)
- 7.4.1 Global Surge Tank Sales Value by Country (2021-2026)
- 7.4.2 Global Surge Tank Sales Value by Country (2027-2032)
- 7.5 USA
- 7.5.1 USA Surge Tank Sales Value Growth Rate (2021-2032)
- 7.5.2 USA Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.5.3 USA Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.6 Canada
- 7.6.1 Canada Surge Tank Sales Value Growth Rate (2021-2032)
- 7.6.2 Canada Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.6.3 Canada Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.7 Mexico
- 7.6.1 Mexico Surge Tank Sales Value Growth Rate (2021-2032)
- 7.6.2 Mexico Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.6.3 Mexico Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.8 Germany
- 7.8.1 Germany Surge Tank Sales Value Growth Rate (2021-2032)
- 7.8.2 Germany Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.8.3 Germany Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.9 France
- 7.9.1 France Surge Tank Sales Value Growth Rate (2021-2032)
- 7.9.2 France Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.9.3 France Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.10 U.K.
- 7.10.1 U.K. Surge Tank Sales Value Growth Rate (2021-2032)
- 7.10.2 U.K. Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.10.3 U.K. Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.11 Italy
- 7.11.1 Italy Surge Tank Sales Value Growth Rate (2021-2032)
- 7.11.2 Italy Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.11.3 Italy Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.12 Spain
- 7.12.1 Spain Surge Tank Sales Value Growth Rate (2021-2032)
- 7.12.2 Spain Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.12.3 Spain Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.13 Russia
- 7.13.1 Russia Surge Tank Sales Value Growth Rate (2021-2032)
- 7.13.2 Russia Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.13.3 Russia Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.14 Netherlands
- 7.14.1 Netherlands Surge Tank Sales Value Growth Rate (2021-2032)
- 7.14.2 Netherlands Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.14.3 Netherlands Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.15 Nordic Countries
- 7.15.1 Nordic Countries Surge Tank Sales Value Growth Rate (2021-2032)
- 7.15.2 Nordic Countries Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.15.3 Nordic Countries Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.16 China
- 7.16.1 China Surge Tank Sales Value Growth Rate (2021-2032)
- 7.16.2 China Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.16.3 China Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.17 Japan
- 7.17.1 Japan Surge Tank Sales Value Growth Rate (2021-2032)
- 7.17.2 Japan Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.17.3 Japan Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.18 South Korea
- 7.18.1 South Korea Surge Tank Sales Value Growth Rate (2021-2032)
- 7.18.2 South Korea Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.18.3 South Korea Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.19 India
- 7.19.1 India Surge Tank Sales Value Growth Rate (2021-2032)
- 7.19.2 India Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.19.3 India Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.20 Australia
- 7.20.1 Australia Surge Tank Sales Value Growth Rate (2021-2032)
- 7.20.2 Australia Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.20.3 Australia Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.21 Southeast Asia
- 7.21.1 Southeast Asia Surge Tank Sales Value Growth Rate (2021-2032)
- 7.21.2 Southeast Asia Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.21.3 Southeast Asia Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.22 Brazil
- 7.22.1 Brazil Surge Tank Sales Value Growth Rate (2021-2032)
- 7.22.2 Brazil Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.22.3 Brazil Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.23 Argentina
- 7.23.1 Argentina Surge Tank Sales Value Growth Rate (2021-2032)
- 7.23.2 Argentina Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.23.3 Argentina Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.24 Chile
- 7.24.1 Chile Surge Tank Sales Value Growth Rate (2021-2032)
- 7.24.2 Chile Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.24.3 Chile Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.25 Colombia
- 7.25.1 Colombia Surge Tank Sales Value Growth Rate (2021-2032)
- 7.25.2 Colombia Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.25.3 Colombia Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.26 Peru
- 7.26.1 Peru Surge Tank Sales Value Growth Rate (2021-2032)
- 7.26.2 Peru Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.26.3 Peru Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.27 Saudi Arabia
- 7.27.1 Saudi Arabia Surge Tank Sales Value Growth Rate (2021-2032)
- 7.27.2 Saudi Arabia Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.27.3 Saudi Arabia Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.28 Israel
- 7.28.1 Israel Surge Tank Sales Value Growth Rate (2021-2032)
- 7.28.2 Israel Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.28.3 Israel Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.29 UAE
- 7.29.1 UAE Surge Tank Sales Value Growth Rate (2021-2032)
- 7.29.2 UAE Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.29.3 UAE Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.30 Turkey
- 7.30.1 Turkey Surge Tank Sales Value Growth Rate (2021-2032)
- 7.30.2 Turkey Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.30.3 Turkey Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.31 Iran
- 7.31.1 Iran Surge Tank Sales Value Growth Rate (2021-2032)
- 7.31.2 Iran Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.31.3 Iran Surge Tank Sales Value Share by Application, 2025 VS 2032
- 7.32 Egypt
- 7.32.1 Egypt Surge Tank Sales Value Growth Rate (2021-2032)
- 7.32.2 Egypt Surge Tank Sales Value Share by Type, 2025 VS 2032
- 7.32.3 Egypt Surge Tank Sales Value Share by Application, 2025 VS 2032
8 Company Profiles
- 8.1 Alpha Tanks
- 8.1.1 Alpha Tanks Company Information
- 8.1.2 Alpha Tanks Business Overview
- 8.1.3 Alpha Tanks Surge Tank Sales, Value and Gross Margin (2021-2026)
- 8.1.4 Alpha Tanks Surge Tank Product Portfolio
- 8.1.5 Alpha Tanks Recent Developments
- 8.2 Squibb Tank
- 8.2.1 Squibb Tank Company Information
- 8.2.2 Squibb Tank Business Overview
- 8.2.3 Squibb Tank Surge Tank Sales, Value and Gross Margin (2021-2026)
- 8.2.4 Squibb Tank Surge Tank Product Portfolio
- 8.2.5 Squibb Tank Recent Developments
- 8.3 RothLochston
- 8.3.1 RothLochston Company Information
- 8.3.2 RothLochston Business Overview
- 8.3.3 RothLochston Surge Tank Sales, Value and Gross Margin (2021-2026)
- 8.3.4 RothLochston Surge Tank Product Portfolio
- 8.3.5 RothLochston Recent Developments
- 8.4 Young Engineering & Manufacturing
- 8.4.1 Young Engineering & Manufacturing Company Information
- 8.4.2 Young Engineering & Manufacturing Business Overview
- 8.4.3 Young Engineering & Manufacturing Surge Tank Sales, Value and Gross Margin (2021-2026)
- 8.4.4 Young Engineering & Manufacturing Surge Tank Product Portfolio
- 8.4.5 Young Engineering & Manufacturing Recent Developments
- 8.5 TransTech Fabrication
- 8.5.1 TransTech Fabrication Company Information
- 8.5.2 TransTech Fabrication Business Overview
- 8.5.3 TransTech Fabrication Surge Tank Sales, Value and Gross Margin (2021-2026)
- 8.5.4 TransTech Fabrication Surge Tank Product Portfolio
- 8.5.5 TransTech Fabrication Recent Developments
- 8.6 Wheeler Tank Manufacturing
- 8.6.1 Wheeler Tank Manufacturing Company Information
- 8.6.2 Wheeler Tank Manufacturing Business Overview
- 8.6.3 Wheeler Tank Manufacturing Surge Tank Sales, Value and Gross Margin (2021-2026)
- 8.6.4 Wheeler Tank Manufacturing Surge Tank Product Portfolio
- 8.6.5 Wheeler Tank Manufacturing Recent Developments
- 8.7 Wiltsie Construction
- 8.7.1 Wiltsie Construction Company Information
- 8.7.2 Wiltsie Construction Business Overview
- 8.7.3 Wiltsie Construction Surge Tank Sales, Value and Gross Margin (2021-2026)
- 8.7.4 Wiltsie Construction Surge Tank Product Portfolio
- 8.7.5 Wiltsie Construction Recent Developments
- 8.8 Steelways
- 8.8.1 Steelways Company Information
- 8.8.2 Steelways Business Overview
- 8.8.3 Steelways Surge Tank Sales, Value and Gross Margin (2021-2026)
- 8.8.4 Steelways Surge Tank Product Portfolio
- 8.8.5 Steelways Recent Developments
- 8.9 AA Tanks
- 8.9.1 AA Tanks Company Information
- 8.9.2 AA Tanks Business Overview
- 8.9.3 AA Tanks Surge Tank Sales, Value and Gross Margin (2021-2026)
- 8.9.4 AA Tanks Surge Tank Product Portfolio
- 8.9.5 AA Tanks Recent Developments
9 Value Chain and Sales Channels Analysis
- 9.1 Surge Tank Value Chain Analysis
- 9.1.1 Surge Tank Key Raw Materials
- 9.1.2 Raw Materials Key Suppliers
- 9.1.3 Manufacturing Cost Structure
- 9.1.4 Surge Tank Sales Mode & Process
- 9.2 Surge Tank Sales Channels Analysis
- 9.2.1 Direct Comparison with Distribution Share
- 9.2.2 Surge Tank Distributors
- 9.2.3 Surge Tank Customers
10 Concluding Insights
11 Appendix
- 11.1 Reasons for Doing This Study
- 11.2 Research Methodology
- 11.3 Research Process
- 11.4 Authors List of This Report
- 11.5 Data Source
- 11.5.1 Secondary Sources
- 11.5.2 Primary Sources
GET THE RESEARCH
Choose your license.
Choose who needs access.
All options are for this report and research series.
PDF by email within 3–5 working days after payment confirmation.
Talk to an analyst