What We Offer Interlec Electrical Contractors Ltd operate in a diverse range of fields in the electrical industry. Whatever your needs are, be it commercial or domestic, we cover many of the most in demand services in Doncaster and nation wide. GET A QUOTE we cater for the following sectors and more FAST FOOD RESTAURANTS Call Now Interactive Banner SHOW ROOMS Call Now! Interactive Banner MUSEUMS Click Here Interactive Banner RETAIL STORES Call Now! Interactive Banner HOTELS Call Now! Interactive Banner INDUSTRIAL PLANTS Call Now! Interactive Banner SUPER MARKETS Call Now! Interactive BaAnner WAREHOUSING Call Now Interactive BaAnner SCHOOLS Call Now! Interactive BaAnner We also install and commission home automation systems including: Security? We've got that covered too.