Heating and ventilation and air circulation: Japan public contracts since 2024
Updated 12 October 2026 · all lines
Heating and ventilation and air circulation: Japan public contracts since 2024. Since January 2024 the line carries 294 award notices from 16 buyers. 170 suppliers share it. 90 in 2024. 120 in 2025. 84 in the first 9 months of 2026. 35 of them had no award notice in the register from April 2014 to 2023.
Assay record ASY-JP-1RIMGUQ1T2 · Cite as: Assay Systems, “Heating and ventilation and air circulation: Japan public contracts since 2024”, https://assay-systems.com/register/jp/line/heating-and-ventilation-and-air-circulation/
The line
Since January 2024 the line carries 294 award notices from 16 buyers. 170 suppliers share it.
90 in 2024. 120 in 2025. 84 in the first 9 months of 2026.
35 of them had no award notice in the register from April 2014 to 2023.
Suppliers in the line, by award notices since 2024 Azubiru Co., Ltd. : named on 10 award notices from 1 buyer since 2024.Shuwa Co., Ltd. : named on 9 award notices from 1 buyer since 2024.Toyo Kuki Chowa Co., Ltd. : named on 8 award notices from 3 buyers since 2024.Dai Makoto Engineering Co., Ltd. : named on 6 award notices from 2 buyers since 2024, with no award notice in the register from April 2014 to 2023.Guroba Co., Ltd. : named on 6 award notices from 3 buyers since 2024.Handicap Kkusu Co., Ltd. : named on 6 award notices from 3 buyers since 2024.Watasho Co., Ltd. : named on 6 award notices from 3 buyers since 2024.Ekorainsabisu Ltd. : named on 5 award notices from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Keizu Co., Ltd., Osaka : named on 5 award notices from 4 buyers since 2024, with no award notice in the register from April 2014 to 2023.Kinoshita Enerugi Solutions Co., Ltd. : named on 5 award notices from 1 buyer since 2024.Kobe Engineer Service Co., Ltd. : named on 5 award notices from 1 buyer since 2024.Agari System Service Ltd. : named on 4 award notices from 1 buyer since 2024.FRS Co., Ltd. : named on 4 award notices from 2 buyers since 2024, with no award notice in the register from April 2014 to 2023.Nabana Kucho Co., Ltd. : named on 4 award notices from 3 buyers since 2024, with no award notice in the register from April 2014 to 2023.Okinawa Denko Co., Ltd. : named on 4 award notices from 1 buyer since 2024.Sangeto Co., Ltd. : named on 4 award notices from 2 buyers since 2024.SUIZU-GUMI Co., Ltd. : named on 4 award notices from 1 buyer since 2024.Yumi Gi Agency Co., Ltd. : named on 4 award notices from 2 buyers since 2024.Hayashi Iryo Ltd. : named on 3 award notices from 1 buyer since 2024.Kaida Shoji Co., Ltd. : named on 3 award notices from 1 buyer since 2024.Kenrei Kogyo Co., Ltd. : named on 3 award notices from 2 buyers since 2024.Nishiki Bunten Ltd. : named on 3 award notices from 2 buyers since 2024.Okazaki Denki Shokai Co., Ltd. : named on 3 award notices from 2 buyers since 2024.Sanwa Sangyo Co., Ltd., Fukuoka : named on 3 award notices from 2 buyers since 2024.Shimoji Shima Kuko Shisetsu Co., Ltd. : named on 3 award notices from 1 buyer since 2024.Yokohama Kucho Co., Ltd. : named on 3 award notices from 2 buyers since 2024.Eashi Stem Kogyo Co., Ltd. : named on 2 award notices from 1 buyer since 2024.Forute Co., Ltd. : named on 2 award notices from 1 buyer since 2024.Fuji Gasu Hanbai Co., Ltd. : named on 2 award notices from 1 buyer since 2024.Hakubo Co., Ltd. : named on 2 award notices from 2 buyers since 2024.Hassei Co., Ltd., Fukuoka : named on 2 award notices from 1 buyer since 2024.Heiwa Setsubi Co., Ltd. : named on 2 award notices from 1 buyer since 2024.Higashidori Network Co., Ltd. : named on 2 award notices from 2 buyers since 2024.Itakura Reiki Kogyo Co., Ltd. : named on 2 award notices from 1 buyer since 2024.Kansai Kucho Co., Ltd. : named on 2 award notices from 2 buyers since 2024.Kawanami Co., Ltd. : named on 2 award notices from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Koei Co., Ltd., Osaka : named on 2 award notices from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Koyu Bussan Co., Ltd. : named on 2 award notices from 2 buyers since 2024.Masa Ritsu Reiki Service Co., Ltd. : named on 2 award notices from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.NAGAE Co., Ltd. : named on 2 award notices from 2 buyers since 2024, with no award notice in the register from April 2014 to 2023.Nippon Yubin Office Support Co., Ltd. : named on 2 award notices from 1 buyer since 2024.Okutani Denki Co., Ltd. : named on 2 award notices from 2 buyers since 2024.Onoko Shoji Co., Ltd. : named on 2 award notices from 2 buyers since 2024.Raiko Sangyo Co., Ltd. : named on 2 award notices from 2 buyers since 2024.Sakurai Co., Ltd., Tokyo : named on 2 award notices from 2 buyers since 2024.Shinei Setsubi Kogyo Co., Ltd. : named on 2 award notices from 2 buyers since 2024, with no award notice in the register from April 2014 to 2023.Shinnihon Tech Co., Ltd. : named on 2 award notices from 2 buyers since 2024.Taisei Hifuku Kogyo Co., Ltd. : named on 2 award notices from 1 buyer since 2024.Taiyo Kogyo Corporation : named on 2 award notices from 1 buyer since 2024.Takano Shoten Co., Ltd., Kanagawa : named on 2 award notices from 1 buyer since 2024.Techno Dash Co., Ltd. : named on 2 award notices from 2 buyers since 2024.Tokuju Kogyo Co., Ltd. : named on 2 award notices from 1 buyer since 2024.TSP Consulting Co., Ltd. : named on 2 award notices from 2 buyers since 2024.AES Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Aiesu Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Aisumi Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Aitiasahi Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Akutio Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Apurosu Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Aramaki Kucho Kogyo Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Assist Co., Ltd., Okayama, Corporate Number 6260002003291 : named on 1 award notice from 1 buyer since 2024.Biso Kogyo Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Bunka Setsubi Kogyo Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Buns Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Chubu Nichi Ka Service Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Chugoku Shisutekku Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Daiju Setsubi Kogyo Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Daikineatekuno Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Daiwa Setsubi Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Efushi Building Tech Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Fuji Engineering Co., Ltd., Ibaraki : named on 1 award notice from 1 buyer since 2024.Fujitsu Network Solutions Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Furukawa Denkisei Sakusho Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Furuya Kanamono Ten Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Futawa System Ltd. : named on 1 award notice from 1 buyer since 2024.General Setsubi Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Gifu Business Solution Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Green Kuchosetsubi Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Hayama Co., Ltd., Kagoshima : named on 1 award notice from 1 buyer since 2024.Hayashikomuten Co., Ltd., Akita : named on 1 award notice from 1 buyer since 2024.Hikariden Ki Kogyo Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Hiroyama Densetsu Kogyo Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Hosoda Denki Kanrijimusho Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Hot Plus Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Inaoka Reiki Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Ishii Co., Ltd., Miyagi : named on 1 award notice from 1 buyer since 2024.Iwasaki Denki Co., Ltd., Gifu : named on 1 award notice from 1 buyer since 2024.Kaneda Setsubi Gasu Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Kansai Bungu Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Kasai Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Keizueaiemu Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Kenburijji Filter Service Co., Ltd. : named on 1 award notice from 1 buyer since 2024.King Tech Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Kinpai Shoji Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Kojima Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Komatsu Denki Ltd. : named on 1 award notice from 1 buyer since 2024.Kucho System Service Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Kudo Denki Ltd. : named on 1 award notice from 1 buyer since 2024.Kurabun Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Kusunoki Kaze Enaji System Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Kuzume Denki Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Maeda Service Okayama Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Mae Kuchoki Utsuwa Service Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Marukiya Setsubi Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Minato Sangyo Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Mitani Sangyo Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Mitsu Wa Shoji Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Miyabi Reinetsu Kogyo Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Miyazono Denko Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Naba I Shiro Shoten Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Nippon Birukon Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Nippon Kucho Service Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Nippon Mekkusu Co., Ltd. : named on 1 award notice from 1 buyer since 2024.NISSIN REFRIGERATION & ENGINEERING LTD. : named on 1 award notice from 1 buyer since 2024.Nittaea Solutions Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Noda Ya Denki Goshi Kaisha : named on 1 award notice from 1 buyer since 2024.Ogiwara Setsubi Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Ohotsuku Dengyo Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Okazaki Denki Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Oke Reinetsu Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Okinawa Enjiniya Co., Ltd. : named on 1 award notice from 1 buyer since 2024.One s Will Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Osako Honsha Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Panasonic HVAC&CC Systems Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Plan Doshi Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Plus Lab Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Ryonetsu Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Saida Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Sanei Kogyo Co., Ltd., Okinawa : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Sanei Kucho Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Sanpei Shokai Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Sansho Do Ltd., Tokyo : named on 1 award notice from 1 buyer since 2024.Sato Kogyo Sho Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Sato Shokai Co., Ltd., Aichi : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Seikatsu Kyukyu Service Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Seven System Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Shimosen Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Shinko Atomosu Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Shinko Shoji Co., Ltd., Aichi : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Shinnihon Bifu Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Shinwa Tech Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Sho Tech Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Sorittonakano Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.SOUSHIN SHOUJI CO., LTD. : named on 1 award notice from 1 buyer since 2024.Suikyosha Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Tada Bunbo Do Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Taisei Denki Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Taiyodo Co., Ltd., Toyama : named on 1 award notice from 1 buyer since 2024.Taiyo Jimuki Co., Ltd., Miyagi : named on 1 award notice from 1 buyer since 2024.Taiyo Shoko Ltd. : named on 1 award notice from 1 buyer since 2024.Takarabu San Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Takara Densetsu Kogyo Co., Ltd., Osaka : named on 1 award notice from 1 buyer since 2024.Takubo Zoen Doboku Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Ta Yamabun Gu Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Techno Reinetsu Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Toden Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Todoroki Sangyo Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Total Sapoto System Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Tsurui Sangyo Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Ueda Denki Setsubi Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Umeda Denkisetsubi Kogyo Co., Ltd. : named on 1 award notice from 1 buyer since 2024.upfield Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Wako Sangyo Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Yamadadenki Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Yamagata Kucho Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Yamamoto Denshikogyo Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Yara Denka Store Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.Yata Shoji LLC : named on 1 award notice from 1 buyer since 2024.YUASA Co., Ltd. : named on 1 award notice from 1 buyer since 2024.Yuma Paint Co., Ltd. : named on 1 award notice from 1 buyer since 2024, with no award notice in the register from April 2014 to 2023.The extract for this line
Names every buyer behind the figures and, for each award notice, the supplier, the award date, the notice number and the value where one is disclosed, and the notices behind every figure.
Largest suppliers in the line Share of the line held by each of its largest suppliers, by number of award notices, in the Procurement Portal register for Japan.
Azubiru Co., Ltd. 3.4% Shuwa Co., Ltd. 3.1% Toyo Kuki Chowa Co., Ltd. 2.7% Dai Makoto Engineering Co., Ltd. 2.0% Guroba Co., Ltd. 2.0% Handicap Kkusu Co., Ltd. 2.0% Watasho Co., Ltd. 2.0% Ekorainsabisu Ltd. 1.7% Keizu Co., Ltd., Osaka 1.7% Kinoshita Enerugi Solutions Co., Ltd. 1.7% Source: successful bid records (open data) for Japan in the Procurement Portal of the Government of Japan, Digital Agency, p-portal.go.jp , which permits reuse including commercial use under its terms of use ; awards from April 2014 to 30 September 2026, accessed 12 October 2026.Assay Systems has changed the data.