Engineers in Rancho Cucamonga, CA

Founded in 1989, John F. Shanahan has been providing professional engineering consultations for electrical systems, lighting, security, and layout design in the state of California. As a member of the International Association of Electrical Inspectors (IAEI), we are well-known for creating expert and functional systems that match the needs of individual projects. We do installation and layout design for utility lighting, power, security, and fire systems. Our process includes drafting floor plans and scanning these documents with our latest computer-aided technological program (AutoCAD) to produce 2D and 3D images for client approval. Give us a call today for an appointment!

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David Sincock is the founder and President of SI Testing located in Southern California. David began his career with BEST Infrared Services as an instrumental developer in the company, providing decades of service to customers throughout the nation.With over 30-years of experience in the preventative maintenance and electrical testing field, David has established a well-built background in the industry. He practices the principle of stewardship and teaches his team to create tenant satisfaction and ownership peace of mind through an innovative approach to electrical maintenance.In just under two years of establishing SI Testing, David has been able to build client relationships with companies such as: The Irvine Company, UCLA, Dodgers Stadium and UPS. His team provides cutting-edge infrared service from high-rise buildings, data control, all the way down to re-wiring your local coffee shop.