The South African Transport and Allied Workers Union (Satawu) has rejected the five per cent wage increase offer from companies in the private security sector.
At least 150 000 workers in the security industry have threated to embark on a wage strike over salary disparities and dispute.
Frustrated security officers working in 29 health facilities in the Dr Ruth Segomotsi Mompati District in Taung area in the North West have embarked on the wage strike on Wednesday morning.
Numsa says it will continue with mediation talks with Comair management under the CCMA on Saturday in the hope of finding a solution to their wage dispute.
The National Union of Metalworkers will be in the Labour Court in Johannesburg on Thursday afternoon to defend their strike at Comair.