We get many calls from people from all over when they have a garage door that needs repair, and sometimes it something that seems to be mundane like loosing your garage door opener, while this may seem like a simple oversight it is important to view your garage door as an entry way to your home (it is after all the largest opening in your home). It is important to make sure that you do not simply replace your garage door opener but that you make sure that the old lost opener is deactivated, this is a simple task that you can do by following the instructions in the manual, if you lost that too you can get a copy by calling the manufacturer of your specific garage door opener.
If you simply do not have the time or the will to reprogram your garage door opener on your own, or want the security of having it done right its best to call a reputable professional, you will want to find someone who has a long history as you will be putting as much trust in them as you would a locksmith. Its best to do a little research and get it right as the downside to getting the wrong outfit can be costly.