Request Rejected Lehigh Concrete Technologies provides innovative compaction grouting and concrete services for over 25 years. Specializing in residential and commercial soil stabilization across central and eastern P Lehigh Concrete Technologies provides innovative compaction grouting and concrete services for over 25 years. Specializing in residential and commercial soil stabilization across central and eastern Pennsylvania, we offer safe and economical solutions like sinkhole restoration, penetration grouting, and post-tension grouting.