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SEI has been providing retaining wall engineering and design services since 2005. We are an independent firm that has long-standing relationships with all of the major manufacturers in the retaining wall industry. We are currently licensed in Pennsylvania, New Jersey, Maryland, Virginia, West Virginia, Massachusetts and Rhode Island. We also offer certain specialized services and consulting on a national basis. We Specialize in Retaining Walls.

Shippee Engineering Inc Questions

The Shippee Engineering Inc annual revenue was $3 million in 2026.

Shippee Engineering Inc is based in Doylestown, Pennsylvania.

The NAICS codes for Shippee Engineering Inc are [54, 541, 54133, 5413].

The SIC codes for Shippee Engineering Inc are [871, 87].

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