Interpump Group S.p.A. is an Italian industrial machinery company headquartered in Sant'Ilario d'Enza, in the province of Reggio Emilia, Italy. Founded in 1977 by Fulvio Montipò, the company manufactures high-pressure and ultra-high-pressure plunger pumps, water-jetting systems and a broad range of hydraulic, fluid-conveyance and power-transmission components. Interpump describes itself as the world's leading manufacturer of professional high-pressure piston pumps and one of the major global players in the hydraulics sector. Interpump Group is listed on Borsa Italiana under the ticker symbol IP and ISIN IT0001078911. The shares trade on Euronext STAR Milan and are included in indices including the FTSE Italia All-Share, FTSE Italia Mid Cap and FTSE Italia STAR. As of the Borsa Italiana company profile updated on 8 June 2026, net sales were divided between hydraulic components, at 65.4%, and high-pressure pumps and pistons, at 34.6%; geographically, sales were distributed across Italy, the rest of Europe, North America, the Far East and Oceania, and other regions.
History
Foundation and high-pressure pumps Interpump Group was founded in 1977 in Sant'Ilario d'Enza by Fulvio Montipò. The first company of the group was built around a technical innovation in high-pressure piston pumps: replacing steel pistons with ceramic pistons. According to the company, the change improved the efficiency, performance and reliability of the pumps and helped the group become world market leader within a few years. Forbes has described Montipò as the son of a mason from Baiso who built Interpump by applying ceramic piston technology to industrial pumps. During its early decades, Interpump expanded its range of high-pressure plunger pumps and related accessories. The acquisition of Pratissoli Pompe in the early 1990s broadened the water-jetting product range to heavy-duty triplex piston pumps for sectors such as steel, chemicals, petrochemicals, construction and water treatment. In 1998, the group acquired General Pump in the United States, strengthening its distribution of high-pressure piston pumps, accessories and spare parts in North America.
Listing and move into hydraulics Interpump Group was listed on the Milan Stock Exchange in 1996. Around the same period, the company began a strategic shift into hydraulics. According to the company's history, the turning point came in the late 1990s, when the group entered hydraulics and became, within two years, the world's largest manufacturer of power take-offs. In the second half of the 1990s, Montipò sold the company to the private equity firm BC Partners and then later bought back a large stake, returning to a leading shareholder and managerial role. In 2009, IPG Holding, associated with Montipò-family interests and Italian investor groups, took part in a capital increase that reinforced the shareholder structure of the listed group.
Repositioning and international acquisitions In 2005, Interpump acquired the German company Hammelmann, active in very-high-pressure systems, and sold its professional cleaning machines business as part of a strategic repositioning toward higher-technology sectors. In 2007, the group further strengthened its water-jetting business with the acquisition of NLB Corporation, a US manufacturer and renter of high-pressure water-jetting machines mounted on trailers. From the 2010s onward, Interpump expanded through a series of acquisitions in water-jetting, flow processing, hydraulics, fluid conveyance and power transmission. It acquired IMM Hydraulics in 2013, adding hydraulic rubber hoses and fittings; acquired companies including Tubiflex and Tekno Tubi in 2016; and in 2017 acquired the international operations of Finland-based GS-Hydro, a specialist in piping systems for oil and gas, industrial and naval applications using non-welded flange technology. The group also expanded into flow-processing equipment for food, cosmetics and pharmaceuticals. In 2015, it acquired Bertoli, an Italian company specialising in high-pressure homogenisers. In 2017, Spanish company Inoxpa and Italian company Mariotti & Pecini joined the group, expanding the range to valves, tanks, rotary lobe pumps, mixers and agitators. In 2020, Interpump acquired companies including Servizi Industriali, specialised in separation and clarification systems; in 2023 it added I.Mec, a manufacturer of mechanical screens, and Waikato, a New Zealand manufacturer of automated milking systems. In hydraulics, the group expanded in valves and directional control valves through acquisitions such as Galtech and Hydrocontrol in 2012 and 2013, and Walvoil in 2014. The 2021 acquisition of White Drive Motors & Steering expanded the product range to orbital motors and steering systems, while acquisitions such as Eurofluid and Mouldtech strengthened supply of hydraulic manifold blocks and castings. In power transmission, Interpump entered reduction gears in 2019 by acquiring Reggiana Riduttori, followed by Transtecno. Later acquisitions included DZ Trasmissioni, Berma and Draintech, expanding into right-angle gear drivers, screw jacks and chain-floor transmission. In 2025, Interpump, through Reggiana Riduttori, acquired 70% of Borghi Assali, a Bomporto-based company specialising in hydraulic and electric steering axles for industrial vehicles.
Business areas Interpump Group organises its operations around Water-Jetting and Hydraulics, with activities that include piston pumps, flow processing, power take-offs, hydraulic cylinders, valves and directional control valves, hoses, pipes and fittings, reduction gears and other hydraulic components.
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