IPG Photonics Corp.

Valentin Gapontsev, founder, chairman, and former CEO of IPG Photonics in Oxford, has died at the age of 82, the company announced Monday morning.

Central Massachusetts is home to a wide range of manufacturing companies, including healthcare, industrial, and technology. Here are the five largest manufacturers in the region when ranked by number of local employees, according to surveys completed by the WBJ Research Department.

IPG Photonics, a laser manufacturing company based in Oxford, purchased two properties, one for $5.8 million and one for $2 million, next to its Marlborough warehouses on Cedar Hill Street.

Oxford laser manufacturer IPG Photonics reported a second quarter profit of $69.8 million in a report released on Tuesday.

Oxford laser manufacturer IPG Photonics has reported $49.7 million in profits for the company’s fourth quarter.

For a short stretch early on when the coronavirus pandemic began spreading, the American stock market took a nosedive. In almost all the time since, the stock market, including most of the largest public companies in Central Massachusetts, spent 2020 recovering — and then some.

Oxford laser manufacturer IPG Photonics has reported a 38% decrease in its net revenue in the company’s third quarter, compared to the same time period in 2019, according to an earnings report released Friday.

The two largest corporations Central Massachusetts corporations by market capitalization — Boston Scientific and TJX Cos. — did not do too well on a new review of how well companies match their actions with words to be more inclusive of society and less to shareholders.

Valentin Gapontsev, the founder and head of Oxford laser manufacturer IPG Photonics, has for the first time made the Forbes 400 list of the country's wealthiest people released Tuesday.

Oxford laser manufacturer IPG Photonics reported a $67-million drop in revenue in the quarter ending in June, continuing financial struggles for the company predating the coronavirus pandemic.