S L Ashton Construction Specialist, Inc. is a family owned and operated General & Mechanical Contractor with company owner William Patterson having 30 years experience in the construction industry. Mr.. Patterson is a Master Plumber and Licensed HVACR contractor. (License numbers available upon request) S L Ashton Construction Specialist, Inc. / William Patterson has successfully completed thousands of project for such clients as: Infragistics, Red Lobster, Yogurtland, East Windsor Board of Education, Monmouth University, ESPN, Lord & Taylor, Six Flags Great Adventure and many more. S L Ashton Construction Specialist, Inc. Provides Old Fashion Values in Today's Cut Corner World. Your Next Project Starts Here!