C. SLAGTER CONSTRUCTION
Founded in 2004 by Cynthia Slagter, C. Slagter Construction Company, Inc. [www.CSlagterConstruction.com] provides new and used guardrail installation in both Michigan and Florida.

HIGHWAY IMPROVEMENT COMPANY
Highway Improvement Company is located at the same location as Slagter Construction and also provides specialty bridge components, as well as liquid latex concrete admixtures. Sells new and used guardrail to contractors, municipalities, and the general public.

SLAGTER EQUIPMENT COMPANY
Slagter Equipment Company is a subsidiary of Slagter Construction Company and is the equipment purchasing and leasing division.