ABOUT US
WHY SPECTRUM?
OUR TEAM

NORTH CAROLINA
Mark Gilliss, PE
mgilliss@spectrumenergy.com
P 828-628-3943

CALIFORNIA
John Seidler
johnseidler@spectrumenergy.com
P 714-505-2305
F 714-505-2306


Mailing Address:
300 Spectrum Center Drive, Suite 400
Irvine, CA 92618


(Neither Spectrum Energy, Inc., nor Spectrum Energy Engineering, PLLC currently offer or provide engineering services in North Carolina.)