Bombardier Learjet, Boeing and Hawker Beechcraft have issued more layoff notices.
Bombardier Learjet said it will layoff about 100 employees over the next 90 days.
Employees were notified of the layoffs last week, but a spokeswoman for the company confirmed the announcement today.
The layoffs are part of the 820 the Montreal-based company announced last year, a Bombardier spokeswoman said.
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Also this week Hawker Beechcraft issued layoff notices to 15 workers, according to state records. That's in addition to 70 layoff notices it issued Jan. 15.
And Boeing Wichita issued notices to seven workers earlier this month, also according to state records.