Qualcomm San Diego, CA Gabion Walls Hilfiker Retaining Walls Qualcomm needed some smaller retaining walls to compliment the Xeriscape landscaping plan. The wire baskets were constructed on site and filled with 4-5 inch angular river rock to provide the beautiful project with a unique retaining wall finish. www.geogridwalls.com 1295 Distribution Way Vista, CA 92081 PHONE 760-509-0079 FAX 760-509-0078 CA License # 661527 A, B, C-8