Retaining Wall Companies
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Retaining Wall Companies of Washington

Retaining Wall Block Manufacturer Retaining Wall Contractor Structural Engineer

Cadman Heidelberg Cement Group
5225 East Marginal Way South
Seattle, WA 98125
(425) 867-1234

These blocks are engineered and designed to build segmental modular concrete block retaining walls. In addition to retaining wall blocks, these units are also recommended and are utilized for all types of slope protection, landslide repairs, as an excellent alternative to crib-walls, gabions, rock or boulder retaining walls. There are a wide variety of uses for Ultrablock units in addition to slope protection including: containment bunkers, bulkheads, seawalls, wing walls for bridges, barriers, retention ponds, culverts, wine storage facilities, etc.

A & J Retaining Walls
22214 Brier Road
Brier, Washington 98036
(206) 423-5384

Whether you need to improve your landscape design, create terracing with retaining walls, construct rockeries, or need excavation done, A & J Retaining Walls (general contractors) is the best source for all your needs in sprucing up your landscape, hardscape or stabilizing your hillside by constructing a retaining wall or rockeries.

John S. Apolis, P.E., S.E.
Consulting Structural Engineering Services, Inc. (CSES)
6311 17th Avenue Northeast
Seattle, WA 98115
(206) 527-1288