DFW's Best Commercial Janitorial Service Provider. Sonlight’s wide-range of environmentally safe cleaning services can be customized by the client. This allows your building to reflect the quality and professionalism that you desire. Complete building maintenance that is thorough and cost-effective is Sonlight’s specialty. Sonlight is OSHA Compliant, Licensed, Bonded and Insured with an Excellent Safety Record. Additionally, Account Managers are on call 24/7 for Superior Customer Service.