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 preventive 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 his first two years after 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.

SI Testing supports analysis from infrared scanning, electrical maintenance, testing, Arc Flash studies, mitigation, training, down to providing simple advice on what it takes to maintain your electrical system to industry standards. David’s commitment is the same today as it was when he began his craft.