Thousands of office workers are gearing up for a major strike if a new contract deal is not met. On Wednesday, they marched through  Midtown Manhattan demanding a better deal.

Earlier this month, 32 BJ authorized a strike if a better contract was not negotiated with the Realty Advisory Board. The current contract is set to expire on Dec. 31, 2011. 22,000 workers

The unions says that their jobs are being jeopardized for higher wage earners and that building owners are seeking to eliminate pensions and reduce benefits, said NY1. The union vehemently opposes a wage structure that would pay new workers less than existing ones.