The phrase "all of which benefit" is correct and usable in written English.
It can be used to refer to multiple items or entities that provide advantages or positive outcomes in a given context.
Example: "The new policies were implemented to improve employee satisfaction, all of which benefit the overall productivity of the company."
Alternatives: "each of which is advantageous" or "all of which are beneficial".
It also lowers blood pressure, burns body fat, and lowers blood sugar levels — all of which benefit heart health.
Its board is dominated by the trade associations for hospitals, doctors and medical schools, all of which benefit from the cheap labor provided by medical residents.
Art Fund research last year showed that our great national museums are being outspent on acquisitions by their competitors abroad - all of which benefit from better tax incentives.
"It creates checks and balances with independent directors, a disclosure regime and S.E.C. oversight, all of which benefit investors," Mr. Roiter said.
"These have even included a third-tier competition for developing nations, all of which benefit the whole of European club rugby.
Eagle said Whittingdale's position on the EU makes it impossible for him to stand up for the UK's creative industries and its arts and cultural organisations, all of which benefit hugely from EU membership.
None of this would have happened had the Reagan administration not taken on some of the Republican Party's sacred cows — the oil and gas industry, real-estate interests and large industrial enterprises, all of which benefited disproportionately from loopholes.
It was during these years that the U.S. economy grew to rival the economies of Britain and Germany in industries such as iron and steel and chemicals — all of which benefitted from protection.
It promotes consensus, longer-term decision-making, making for better-paid, more productive and safer workplaces, reducing strikes, and improving the transparency of information such as salaries, all of which benefits investors, workers and consumers.
Most of these books were wonderful accounts of courage, leadership, tough decision making, and martial skill all of which benefited me as I tried to understand of our past and how it could affect missions in the future.
Instead, it set the precedent for all the colossal boxes surrounded by what Gruen called "land-wasting seas of parking" – 1,500 of which appeared across America in the half-century after Southdale's unveiling, all of which benefited from a postwar change in tax law which dramatically increased the profitability of such big commercial projects.
