loocking for a contractor jobs in low current systems

[security expert]

Hi i am a job seeker for Security Expert companie from Tallinn.Oure companie spetsiialise in all kind of low current systems,such as outside and inside video cameras,all kind of security systems,anti theft posts fore supermarkets,acsess control systems and so on.I would like to ask how can we particepate in a job tenders.And how to get contractor
contracts in oure field of activity.
Any information or edvice would help