Some of the top options include Motorola's CP200D and Kenwood's TK-3402U16P. These radios are designed for rugged use, have clear audio quality, and offer a range of communication features. Additionally, they are compatible with various accessories such as headsets, earpieces, and microphones, which can enhance their functionality on construction sites. The best two-way radios for construction sites should be durable, weather-resistant, and have a long battery life.