Dallas has many top-rated electrical companies. There are some companies that stand out from the rest. These are the top electrical companies in Dallas, TX. Oncor Electric Delivery is one of the most important electric utilities in Texas. They serve more than 3,000,000 customers in Texas' north, central, or west regions. Oncor is an excellent place to work if you are looking for a steady career in the electrical sector. This company offers competitive wages and benefits as well as advancement opportunities.  TXU EnergyTXU Energy, another Texas electric utility, is also available. They have more than 2,000,000 customers in the Dallas-Fort Worth region. TXU Energy is an excellent place to work if you are looking for a steady career in the electrical sector. This company offers competitive wages and benefits as well as advancement opportunities. AEP TexasAEP Texas, an electric utility, serves over 1 million customers throughout Texas Panhandle and South Plains. AEP Texas is an excellent place to work if you are looking for a steady career in the electric industry. You will be offered competitive pay and benefits as well as advancement opportunities.