Hiyoshi Corporation offers total support for various environmental projects, from measurement and analysis to supplying industrial chemicals, facility management and environmental conservation.
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Designation as a water quality inspection agency as specified in Paragraph 3, Article 20 of the Waterworks Law of Japan
Technical administrator of waterworks Certified water purification plant control engineer Building environment and sanitation management engineer Licensed electrician (Class 3)
Maintenance and management, as well as cleaning, of facilities, supply of chemicals for water treatment, construction works, water quality inspection, etc.
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Registration as a tap water quality inspection agency Registration as a building rodent and insect control service provider Registration as a building septic tank cleaning agency License for the sale of pharmaceuticals Registration as a clinical laboratory
Technical administrator of waterworks Reservoir sanitation management engineer Certified environmental measurer/certified chemical analysis technician Building environment and sanitation management engineer
Maintenance and management of private waterworks, pest survey and control, chemical supply, cleaning of drain strainers, water quality inspection, inspection of bathing water circulation and filtration facilities and pipes, bathing water inspection, water leakage investigation
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Registration as a building drinking water inspection agency Law for Maintenance of Sanitation in Buildings
Air quality measurer Reservoir sanitation management engineer Building environment and sanitation management engineer
Collection and transportation of domestic waste, cleaning of grease pits, cleaning of drain pipes, cleaning of water receiving tanks, analysis
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Maintenance and management of wastewater treatment facilities, inspection and cleaning of septic tanks, cleaning of private waterworks and water receiving tanks, analysis of plant effluent, drinking water inspection, exhaust gas measurement, industrial chemicals, measurement of the air quality, pest control, waste collection, transportation and treatment
Every sales staff is an expert
With expertise from various licenses and qualifications, our sales representatives offer a wide range of services and advice uniquely tailored to your specific needs.
A broad vision, from local to global
As a leading environmental company, Hiyoshi strives to pursue cutting-edge technologies across borders. We take offers world-wide for various services, such as import/export food inspection and infrastructure consulting.
Providing accurate analysis and support
Any environmental work must begin with information gathering and analysis phases to identify the preliminary condition. Hiyoshi has its own highly-equipped analysis division to promptly provide top quality service.
Global partnership
Utilizing domestic and international partnerships developed over more than 30 years through the industry-government-academia network, we will satisfy demand for not only analysis and measurement, but also comprehensively address a wide range of environmental issues.
Long history of advanced technology since 1955
Since long before "environmental business" became a widely recognized term, Hiyoshi has proudly used their "pioneering" role in this field to present customers with the latest solutions. We proudly offer you the best service based on technology and trust developed over the course of the company's long history since 1955.
Over 1,300 personnel licenses
With over 1,300 total licenses, Hiyoshi's experts provide a wide array of services in the fields of biology, chemistry, electricity, mechanics, etc. From analysis to facility management, environmental conservation and more, our experts are well qualified to meet a broad range of needs.