Telecommunications underground cables

Dear sir / madam
it is my pleasure to contact you in order to ask for your help to guide me .
i'm seeking for a turkish companies specialized in supply or manufacturing of special equipment for installation & removal of telecommunications underground cables ( the equipment to be on vehicle .
your help will be very highly appreciated .
i,m planning to visit turkey some time next week for business , and it will be very chance for me to visit your recommended company .