Electrical Engineers and Contractors to the Commercial, Residential, Industrial, Hotel, Educational and Medical Sectors. C.J. Ryder Lawlor Ltd. has grown from its sole trader origins in 1932 into a major electrical contracting company providing the client with excellence through adherence to its Certified Quality Management System ISO 9001:2015, covering all contract operations from Design & Planning through procurement, site management, safety, Final Commissioning and Handover Documents.