2026

Mar.

Established a joint venture company, AMCON-SBS INDIA PRIVATE LIMITED, in India.

2025

Mar.

VOLUTE DUO™ won Chairman’s Award of the Japanese Society of Industrial Machinery Manufacturers at the 50th Ceremony of the Excellence in Environmental Equipment Awards.

May

Division name changed as follows.
VOLUTE Division → Water and Environmental Machinery Division
ANALYSIS Division → Environmental and Water Quality Analysis Division
AMCON 24 Division → Water Supply and Drainage Equipment Maintenance Division

Jun.

Hiro Engineering Co., Ltd. (Taito-ku, Tokyo) became a group company through a capital and business alliance.

2024

Nov.

50th Anniversary of the Establishment.

2023

Sep.

Established the Philippines-based representative office.

Sep.

Closed the Germany-based subsidiary company, AMCON Deutschland GmbH, due to merger into the Czech-based subsidiary company, AMCON Europe s.r.o.

Nov.

Won the Grand Title of the “SMALL GIANTS AWARD 2023-2024” hosted by Forbes JAPAN

2022

Oct.

Established Kansai sales office.

2021

Jun.

Started manufacture and sales of the “VOLUTE DUO™ Dewatering Press HR Series”.

2020

May

Completed construction of the Yokohama Assembly Factory.

Oct.

Redesigned “suisitubunseki.com” a website specializing in water quality analysis.

Nov.

Registered our trademark of the brand logo “VOLUTE” and “VOLUTE DUO”.

2019

Feb.

Obtained patent for the VOLUTE DUO™ Sludge Dewatering Press.

Apr.

Established the Germany-based subsidiary company AMCON Deutschland GmbH.

Jul.

Started manufacture and sales of the “VOLUTE™ Dewatering Press FS Series”.

Aug.

Started manufacture and sales of the “VOLUTE™ Dewatering Press MW Series”.

2018

Jan.

Multi-Disk Screw Press Dewatering Machine type-II including DW series (II-E type) and MW series (II-M type) selected in “Japan Sewage Works Agency authorized new technology, group I”.

Jul.

Started manufacture and sales of the “VOLUTE™ Dewatering Press DW Series”.

2016

May

Closed the US-based subsidiary company, AMCON NA, INC. due to business transfer to a local distributor.

Jun.

Started manufacture and sales of the “Polymer Make-up System AP Series”.

Sep.

Established the Czech-based subsidiary company CHEM.ENGI s.r.o.
Provided solutions to optimize the wastewater treatment process.

Nov.

Started manufacture and sales of the “VOLUTE™ Dewatering Press GS Series” and the “VOLUTE™ Mobile Dewatering Truck MV Series”.

2015

Mar.

VOLUTE™ Dewatering Press won Innovation Award at “WEX Global Forum 2015”.

2012

Mar.

VOLUTE™ Dewatering Press won Innovation Award at “WEX Global Forum 2015”.

2011

Apr.

Established the Czech-based subsidiary company, AMCON Europe s.r.o.

May

Started manufacture and sales of the “VOLUTE™ Dewatering Press VDC Series”.

Aug.

Certified as a “Yokohama Chizai Mirai Enterprise.”

2010

Nov.

Established the second China-based subsidiary company, AMCON (Fujian) Environmental Protection Equipment Co., Ltd.

2009

Jan.

Certified as a “Yokohama Kachigumi Enterprise.”

Apr.

Included in “Japan’s 300 Vibrant Monozukuri (Manufacturing) SMEs” by the Ministry of Economy, Trade and Industry.

2008

May

Opened “suisitubunseki.com” a website specializing in water quality analysis.

2007

Mar.

Established the China-based subsidiary company, AMCON (Yixing) Environmental Protection Science & Technology Co. Ltd.

Nov.

VOLUTE™ Dewatering Press won a bronze medal at the “2007 China International Industry Fair”.

2006

Oct.

Established the US-based subsidiary company, AMCON NA, INC.

2004

Jan.

Completed construction of the headquarters building in Yokohama.
Moved the headquarters from Nakameguro, Tokyo to Kohoku-ku, Yokohama.

Jun.

Started manufacture and sales of the “Twin VOLUTE Dewatering Press TV Series”.

Sep.

Started manufacture and sales of the “VOLUTE™ Dewatering Press ES Series”.

Sep.

VOLUTE™ Dewatering Press was nominated for the innovation award at Aquatech Amsterdam 2004.

2003

Apr.

Started manufacture and sales of the “Solapy Dryer SP Series”.

2001

Mar.

Obtained ISO 9001 certification (VOLUTE Division)

Apr.

Started manufacture and sales of the “VOLUTE™ Dewatering Press EC Series”.

2000

Jul.

Our products listed in Japan Sewage Works Agency’s “Standard Specifications”.

1997

Apr.

Started manufacture and sales of the ” VOLUTE™ Dewatering Press Small-Scale Municipal Model MS Series”.

1996

Apr.

Started manufacture and sales of sludge dewatering fermentation system “Dell Compo”.

1995

Jul.

Started the official joint research with Japan Sewage Works Agency
Theme “Direct dewatering method of sludge in an OD reaction tank”

Sep.

Moved the Machida plant in Tokyo to Kohoku-ku in Yokohama.

1994

Jun.

Started pilot test of dewatering performance jointly with Japan Sewage Works Agency

1993

Feb.

Started sales of the “Hybrid V Polymer Flocculant”

1992

Feb.

Obtained a patent for “sludge water solid-liquid separator,” the basis for the VOLUTE™ Dewatering Press.

Mar.

Started manufacture and sales of new “VOLUTE™ Dewatering Press and Thickener”

1991

Apr.

Started manufacture and sales of the “VOLUTE™ Thickener MS Series” and the “VOLUTE™ Dewatering Press VS Series”.

1987

Apr.

Started maintenance business for fire equipment, air-conditioners, etc.

Oct.

Changed the company name to AMCON INC.

1984

Sep.

Completed construction of the headquarters building.

Oct.

Started 24-hour remote monitoring service for building facilities

1983

Apr.

Started plumbing inspection business and pump business.

1982

Apr.

Started manufacture and sales of the “Belt-press-type Sludge Thickener KM Series”.

1981

Jun.

Started a mobile dewatering service using a mobile dewatering truck.

Dec.

Opened the Machida plant in Tokyo.

1979

May

Set up the Institute of Technology.
Started measurement certification business.

1974

Nov.

Established Environmental Facility Center Co., Ltd. in Meguro-Ku, Tokyo.
Septic tank maintenance services for wastewater treatment facilities and apartment complexes.