Diploma plc is a British business supplying specialised technical products and services based in

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, England. It is a constituent of the

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History

The company was founded in 1931. It was first listed on the

London Stock Exchange The London Stock Exchange (LSE) is a stock exchange based in London, England. the total market value of all companies trading on the LSE stood at US$3.42 trillion. Its current premises are situated in Paternoster Square close to St Paul's Cath ...

in 1960, and was a market leader in electronic component distribution, building products and special steels until the late 1980s. The electronic component distribution business (''SEI Macro'') was sold in 1999, the building products business (''Robert Lee'') was sold in 2000, and the special steels business (''Henry Whitham'') was sold in 2001. The company acquired RT Dygert International, a US-based distributor of seals, in December 2008, and Kubo Tech, a Swiss-based seals distributor, in March 2015. It was announced in August 2018, that CEO Richard Ingram would be stepping down after four months in charge, with John Nicholas acting as executive chairman in interim charge. In January 2020, investors expressed concern about the bonus package offered to the new CEO, Johnny Thomson. The company acquired Simonsen & Weel, a Danish medical equipment supplier, in January 2021, Tennessee Industrial Electronics, a

Nashville Nashville, often known as Music City, is the capital and List of municipalities in Tennessee, most populous city in the U.S. state of Tennessee. It is the county seat, seat of Davidson County, Tennessee, Davidson County in Middle Tennessee, locat ...

-based parts distributor, for £76 million in March 2023, and Distribuidora Internacional Carmen, a Spanish-based distributor of fluid power products, for £170 million in July 2023.

Operations

Diploma is a distributor, operating in the three sectors of Controls (including specialised wiring), Seals (including seals and gaskets) and Life Sciences (including consumables and instrumentation). The company has operations in

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, and

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References

External links

Official site
{{Authority control Conglomerate companies established in 1931 Companies based in the London Borough of Islington Companies listed on the London Stock Exchange Business services companies established in 1931 Manufacturing companies established in 1931 1931 establishments in England Companies in the FTSE 100 Index