Tesla employees at a factory in Buffalo, New York, have started a campaign to form a union, a group representing the workers announced Tuesday.

If successful, the organization, Tesla Workers United, would be the first union at the electric vehicle company, which until now has been able to avoid unionization, unlike the majority of other automakers.

“We are Tesla workers seeking a voice on the job,” Tesla Workers United wrote on Twitter. “We believe that by having a union at Tesla, we will further the mission of sustainability and foster a progressive environment for us all.”

While the workers’ statement did not outline a full list of grievances with Tesla, employees told Bloomberg that they were “seeking better pay and job security alongside a reduction in production pressures that they say have been harmful to their health.”

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