Customer satisfaction is our reward; your happiness is our guarantee! We invite Hospitals, Restaurants, Nursing Homes, Commercial Kitchens, and Building Engineers of Philadelphia and neighboring cities to take advantage of our top quality services at Clark Services Group. Taking care of our customers is simple...We do what we say we’re going to do the first time! We train all of our techs to IKECA, NADCA, and NFPA 96 standards to keep you compliant. Each of our highly qualified specialists is guaranteed to provide you with the most dependable kitchen hood and exhaust system cleaning, grease trap service, coil cleaning, air duct cleaning, and power washing. With over FIVE DECADES of service in the industry, there is no better partner than Clark Services Group. Respect Your Time: We’ll service around your schedule. 24/7/365 Make it Easy to do Business with us: Before and After Photos, Service Reports, One the Way Texts/Emails from Techs (If you want them), Simplified Billing, and Online Self Scheduling and Service History. Customer satisfaction is our reward; your happiness is our guarantee!