Perry Testing Limited 6 years ago ID: #86346 Listed In : Business & Services 7 Longmore Close Maple Cross Rickmansworth WD3 9SE 01923 551 889 www.perry-ltd.com/ Business Description At PTL, we offer the complete range of structural investigation, construction materials analysis including CBR Plate test, Ferro Scanning, DCP test and advisory services to the construction and engineering industries. Reviews & Ratings Write a Review No Review. Please login / register to add your review. Tags : structural investigation construction materials