The High companies, based in Lancaster, Pa., serves customers throughout the eastern and Midwestern United States. High Industries Inc. affiliates: High Steel Structures LLC, High Concrete Group LLC, High Steel Service Center LLC, High Structural Erectors LLC, High Transit LLC, High Construction Company, StructureCare LLC, and Greenfield Architects Ltd. High Real Estate Group LLC offers the services of High Associates Ltd., High Hotels Ltd., and High Environmental Health & Safety Consulting Ltd.