APPROVED SOURCES

DRY CAST, SEGMENTAL & MODULAR RETAINING WALL SYSTEMS

The following wall systems are approved for use in Iowa DOT projects and other Federally-/State-funded projects.

SYSTEMS

Allan Block

5300 Edina Industrial Blvd., Suite 100

Edina, MN 55439

952-835-5309 or 800-899-5309

952-835-0013 (Fax)

Anchor Wall Systems

6101 Baker Road, Suite 201

Minnetonka, MN 55345-5973

952-933-8855

877-295-5415

Keystone Retaining Wall Systems

4444 West 78^th Street

Bloomington, MN 55435

952-897-1040

The Reinforced Earth Company

8614 Westwood Center Drive, Suite 1100

Vienna, VA 22182

703-821-1175

Rockwood Retaining Walls, Inc.

7200 North Hwy 63

Rochester, MN 55906

800-535-2375

Tensar Earth Technologies

5775 B Glenridge Drive

Lakeside Center, Suite 450

Atlanta, GA 30328

404-250-1290

Versa-Lok Retaining Wall Systems

6348 Hwy 36, Suite 1

Oakdale, MN 55128

800-770-4525