
YOKORAY Co. Ltd.
Sponsor Spotlight: Yokoray Co., Ltd.
Yokoray Co., Ltd. is a premier engineering and maintenance company specializing in HVAC (Heating, Ventilation, and Air Conditioning) and plumbing systems, with its headquarters located in Yokohama, Kanagawa Prefecture.
Founded on April 5, 1966, as "Yokohama Cooling and Heating Equipment Co., Ltd.", the company adopted its current name in 1991.
For approximately 60 years, Yokoray has built an outstanding track record, supporting local communities and corporate activities through its expertise in air conditioning, water supply, drainage, sanitation, firefighting, and energy-saving equipment.
The company's main office is situated in Arai-cho, Hodogaya-ku, Yokohama, with an additional branch office in Saedo-cho, Tsuzuki-ku.
With a capital of 20 million yen and a dedicated team of about 39 employees, Yokoray is widely recognized as a highly specialized, elite group of engineering professionals.
Core Business Areas of Yokoray:
- Air Conditioning Systems (Heating, cooling, humidification, and dehumidification)
- Ventilation Equipment (Air supply, exhaust, and local exhaust systems)
- Water Supply, Drainage, and Sanitary Infrastructure
- Firefighting Equipment
- Industrial Facilities (Compressed air, heating, and cooling systems)
- Refrigerant Recovery (Fluorocarbon gas countermeasurements)
- Solar Power & Energy-Saving Solutions
- Design, Construction, Maintenance, and Emergency Repair Services
Driven by their service philosophy of delivering solutions "immediately" and "properly," Yokoray stands out for its rapid responsiveness and high-quality workmanship.
In the second half of fiscal year 2025, they achieved a remarkable 71.6% same-day visit rate and an 86.3% system restoration rate within 24 hours, reflecting top-tier customer care.
Trusted Partners and Professional Credentials
Yokoray’s major clients include major corporations and public institutions such as Panasonic Corporation, Kanagawa Toyota Motor Co., Ltd., Weins Toyota Kanagawa Co., Ltd., the City of Yokohama, Kanagawa Prefecture, and the Yokohama City Building Maintenance Public Corporation.
The company commands deep trust across both private and public sectors (Official website: yokoray.co.jp).
Furthermore, Yokoray invests heavily in talent development. Its staff includes numerous holders of national qualifications, such as 1st-Class Pipe Construction Management Engineers, Water Supply Device Construction Chief Engineers, Firefighting Equipment Staff, and Electricians.
This high density of certified experts ensures unmatched construction quality and safety management.
Social Responsibility and Recognition
Yokoray boasts an impressive array of corporate certifications and awards, including ISO9001 certification, the Health & Productivity Management Outstanding Organization "Next Bright 1000" designation, Y-SDGs Superior Certification, the Yokohama Good Balance Enterprise certification, and the prestigious Yokohama Grand Slam Enterprise Award.
They are actively committed not only to technical excellence but also to creating a supportive workplace and fulfilling social responsibilities.
💡 Connection with NPO Ukraine-Yokohama
Yokoray Co., Ltd. generously supports NPO Ukraine-Yokohama through sponsorships of our charity concerts and events.
This vital partnership empowers our fund to deliver crucial humanitarian and medical aid to hospitals and civilians in Kyiv and across Ukraine.
We are deeply grateful to Yokoray—a company that not only builds safe and comfortable environments through infrastructure but also stands in solidarity with those in need.
