CONTACT US Corporate OfficeMailing Address: PO Box 751263 Topeka, KS 66675 hr@kossconstruction.com (785) 228-2928 Finance/HR Office3805 NW 25th StreetTopeka, KS 66618 Operation/Engineering Office1800 NW BrickyardTopeka, KS 66618 Contact-Active Name Name First First Last Last Email Phone Message If you are human, leave this field blank. Submit Δ