Description: Since 1993, Shamrock Electric has been an owner operated company, helping businesses and home owners throughout San Diego County with their electrical and lighting needs. We realize that there are so many electrical companies in San Diego County to choose from, all saying they offer electrical services, but saying and doing are two different things. When Shamrock Electric signs your invoice, they are putting their word on it, that they have given you the best service that you deserve and are paying for.