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This section provides an overview for auto levels as well as their applications and principles. Also, please take a look at the list of 12 auto level manufacturers and their company rankings. Here are the top-ranked auto level companies as of October, 2025: 1.Taijia Technology, 2.Tianjin Xing Ou Surveying Instrument Manufacture Co.,Ltd, 3.National Instruments Corporation.
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Categories Related to Auto Levels
Auto levels are a type of surveying instrument that are installed on a level ground and used to check the level of the ground or buildings and measure height differences by looking through the lens.
A level that does not have an automatic function must be installed perfectly in relation to the ground and must be visually checked for levelness at the time of installation. This function allows for easy installation in a wide range of locations and eliminates the need to check the level during installation.
Auto Levels are widely used in civil engineering and construction. The most popular use is to check the difference in elevation between two points when surveying land or roads.
When constructing buildings, they are used to check if the ground is level and to level it if necessary. A level that automatically reads the scale is called an electronic level.
A laser level, a type of Auto Level with reduced accuracy, is used not only to ensure the level by taking advantage of the straightness of the laser, but also to set the gradient and operate construction equipment.
The most common principle of maintaining the levelness of Auto Levels is based on the characteristics of a pendulum.
When a level is placed on an unlevel ground, the scale viewed through the lens will be tilted as well if no correction is made. The Auto Levels utilize the property of a pendulum to always point in the vertical direction, and the scale display is suspended from the pendulum, so that the level is always corrected in the vertical direction within a certain range. To stop and stabilize the pendulum, an air brake system using a piston or cylinder, or a magnetic brake system using a magnet are used. The display format of the scale is generally optical.
The principle of an electronic level is the same as that of Auto Levels, but the scale is assigned on a bar code and the reading of the scale is automated by analyzing the image.
*Including some distributors, etc.
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Shenzhen EPT Technology Co., Ltd., was founded in 2003, is a manufacturer of optical water level detection sensor, capacitance level sensor, flow sensor and tilt sensor’s, based in China. The company has set up offices in Sichuan, Shanghai and Yuyao, which are responsibles for its new product development and global market expansion and services. It has strong technical strength with more than 20 patent product certificates, and has been designated as a professional manufacturer by the Ministry of Electrical and Mechanical Services.
STS Corporation, founded in 1989 and based in Nagoya, Japan, is a manufacturer of surveying instruments and laser tools. Its product range includes laser measuring equipment for construction and surveying, laser marking equipment for material engraving, laser processing equipment for metalworking, as well as surveying instruments for land surveying, and optical measuring equipment for manufacturing applications. The company has established membership and qualifications with JSIMA (Japan Surveying Instruments Manufacturers Association).
National Instruments Corporation, founded in 1970 and based in Haridwar, India, is a manufacturer of hydrological equipment, hydraulic machine labs, fluid mechanics and many instruments regarding educational, industrial, research & laboratory fields. The company's product portfolio includes heat & mass transfer lab, theory of machine lab, environmental and various material testing equipment and a range of instruments such as survey & drawing, oil & petroleum testing, railway and weather instruments. The company mainly supplies these products to educational institutes and laboratories in India as well as exports overseas.
Taiji Technology, established in 2002, based in Dalian, China, is a manufacturer and trader specialized in research, development and production of flow meters and level meters and other NDT testing equipment. The company’s products include ultrasonic flow meter, electromagnetic flow meter, vortex flow meter, ultrasonic level meter, rebar scanner, and thickness gauge, among others. Their products are used in various sectors ranging from field inspection, construction engineering, inspection, and testing. The company aims to provide after-sale service domestically and internationally.
Shreeji Instruments, established in 2008 in India, is a supplier engaged in trading and supplying a wide range of construction material testing and surveying equipment. Company’s products are sourced from dependable manufacturers adhering to international quality standards. The assortment includes equipment for cement and concrete testing, safety items, and various measuring instruments. Aligned with industry standards and guidelines, its range covers soil and sand testing, bitumen testing, construction equipment, geodetic tools, and more.
Lotus Traders, established in 2009 and based in Assam, India, is a manufacturer of construction equipment. The company manufactures and exports various construction products and equipment including paver mould making machine, cement testing equipment, concrete block machines and testing equipment, hydraulic equipment and survey instruments. It also manufactures products like waterproofing chemicals, paving block moulds, red iron oxides as well as offers compression testing machine calibration services. The company provides alternative energy solutions to the entrepreneurs of North East India by offering biomass briquettes burns as clean fuel that provides low cost energy while lowering the carbon footprint in the region.
TAMILNADU ENGINEERING INSTRUMENTS, established in 2004 and based in Chennai, Tamil Nadu, India, is a manufacturer, supplier, and distributor of superior-grade equipment and instruments. The company also produces a wide range of survey instruments, leveling instruments, auto-level instruments, construction equipment, and many other products. The company has an extensive product line, OEM facilities, and a large production capacity. The concrete testing equipment manufacturerd by the company includes a J Ring Apparatus, Gyratory Sieve Shaker, Flexure Testing Machine, and Standard Penetrometer. This India MART Trust Seal Verified business also engages in wholesale and retail.
Yesha Lab Equipments is a manufacturer, supplier, and distributor of civil engineering and construction laboratory equipment established in 2014 and headquartered in Gujarat, India. The company’s product line covers automatic level instruments, sand and soil testing equipment, compression testing machines, bitumen asphalt testing equipment, and survey instruments. It also offers general laboratory testing equipment and light construction machinery along with repair, maintenance, and calibration services. The company deals with various brands, including Falcon, Sokkia, South, and Matest. It adheres to ISO 9001 and ISO 14000 quality management certifications.
Subi Tek, established in 2017 and based in Coimbatore, India, is manufacturer and supplier of laboratory equipment used for conducting experiments. The company's product portfolio consists of digital measurement instruments, drawing and surveying instruments and a range of testing equipment. Most of these products are used by architects, construction companies, government, as well as school laboratories. The company also provides calibration services for its machines and instruments, including CTM and survey instrument calibration.
Ranking as of October 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Taijia Technology |
22.7%
|
| 2 | Tianjin Xing Ou Surveying Instrument Manufacture Co.,Ltd |
12.4%
|
| 3 | National Instruments Corporation |
9.3%
|
| 4 | STS Corporation |
9.3%
|
| 5 | Subi Tek |
7.2%
|
| 6 | Myzox Co., Ltd. |
7.2%
|
| 7 | Lotus Traders |
6.2%
|
| 8 | Alpha Engineering Equipments |
6.2%
|
| 9 | Shenzhen EPT Tech co., LTD |
6.2%
|
| 10 | TAMILNADU ENGINEERING INSTRUMENTS |
5.2%
|
Derivation Method
The ranking is calculated based on the click share within the auto level page as of October 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
India
|
5 | 55.6% |
|
China
|
2 | 22.2% |
|
Japan
|
2 | 22.2% |
57 products found
57 products
STS Corporation
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Yokohama Sokki Co., Ltd.
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