About 60 employees at Aramark-managed venues recently marched in front of the George R. Brown Convention Center as part of a nationwide effort by the Service Employees International Union to organize the company's workers.

According to Dan Schlademan, property services director for SEIU in Chicago who was on hand in Houston for the protest, negotiations have been "going horribly". The SEIU is seeking a card check neutrality agreement, which would permit a union to organize workers without company input and without a secret ballot election. Aramark and SEIU had a previous deal, but Schlademan said it expired in August.

Read More