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Quantum FSD, Inc
5533 W. San Madele Ste 108
Fresno, CA 93722-5077

Main Office: (559) 825-7000

Fixed Wireless Internet Services: (559) 425-3000
VoIP and IP Telephony Services: (559) 823-5170
Fax: (559) 682-4109
Email: office@quantum-fsd.com

Hector Santillano – Chief Executive Officer
Phone: (559) 825-7000
Email: hls@quantum-fsd.com

Sid Santillan – Chief Technology Officer
Phone: (559) 682-4108
Email: sid@quantum-fsd.com

Accounting Department 
Phone: (559) 425-3000
Email: accounting@quantum-fsd.com

Estimating Department 
Phone: (559) 825-7000
Email: estimating@quantum-fsd.com

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