23731. Highway & Street Construction Add Listing #0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ(Reset) Company Name / DBA Tri-Group Construction And Development Inc Industrial Classification 23731. Highway & Street Construction Business Type SCORP Owner Name Tri-group Construction And Development Inc Street Address 9580 Black Mountain Rd Suite L 92126-4522 Phone Number 858 689-0058 23411 EditDelete Company Name / DBA Trinity Grading Inc Industrial Classification 23731. Highway & Street Construction Business Type CORP Owner Name Trinity Grading Inc Street Address 43475 Business Park Dr 92590-3605 Phone Number 760 728-2981 23411 EditDelete