INVITATION TO BID American Bottoms Facility Upgrade & Laboratory HVAC Upgrades and Renovations We are seeking minority-and women-owned businesses for the above referenced project. All disadvantaged business enterprises should contact GBI via email at buildwithgrunloh@grunlohbuilding.com or in writing via certified letter to discuss subcontracting opportunities. All negotiations must be completed prior to bid opening on Tuesday, December 9, 2025, by 2:00 PM CST. IPL0291184 Nov 18 2025