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​​Voice (951)696-3689

Fax  (888)398-2734​


Business Hours

Weekdays 9 AM-5 PM Pacific Standard


PO Box 128

Murrieta CA 92564


California Contractors License #558496

Class A General Engineering

Class B General Building 

Class C-10 Electrical

CA DIR Contractor Public Works Registration #1000002966

Licenses & Personnel Check 



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Service & Maintenance Agreements

To expedite your service request please have your support agreement number ready when calling. If this is an emergency, please call the emergency response name and numbers on your support agreement. 

Construction & Service Contracts

For customers currently in contract or under completed contract warranty please reference the appropriate Contact List issued to you by our project management for the fastest response.  

Other Inquiries

In an effort to reduce Spam Mail  we do not publicly publish our corporate email listings.  Please write to our address or call the main voice call number for new customer service inquiries.  We apologize for the inconvenience. 


Employment Opportunities 

Send Interview Requests WITH COMPLETED  Resumes To: zzzzzhr@controlsystemseng.comzzzz For you non-web script indexing spam robots, simply strip the z's Thank you