Kuiken Brothers Commercial Door Shop is a UL Licensed Modification Shop, located in Garfield, NJ. We have an extensive inventory of frames and doors which can be quickly modified to your specification. Doors and frames can be modified to install visions, glass and louvers. We will also weld sidelite frames and borrowed lites in our shop. Quick ship options are available. We specialize in supplying the following facilities: Government, Health Care, High-End Residential, Mult-family, Mixed Use Retail/ Residential, Schools and Universities, Retail.