Contact OPAC

Office:
OPAC Consulting Engineers, Inc.
315 Bay Street
2nd Floor
San Francisco, CA 94133
U.S.A.
Tel: +1-415-989-4551
Fax: +1-415-989-4135


Professional Services Inquiry:
Mark Ketchum
Tel: 415-989-4551, ext. 214
Email: mketchum@opacengineers.com


Management Inquiry:
Kwong Cheng
Tel: 415-989-4551, ext. 215
Email: kcheng@opacengineers.com


Employment Inquiry:
Vivian Chang
Tel: 415-989-4551, ext. 208
Email: vchang@opacengineers.com