Blankenheim Services LLC

Established in 1976, Bertram Dental Lab Inc. specializing in providing removable partial denture frameworks. It operates as a wholesale dental laboratory serving dental profession all over the United States. The firm offers products and services, such as cast partial alloys, SWING-LOCK, distal extension hinge as well as Vitallium EsthetiClasp. Its capabilities comprises of all types of attachments, such as cast, soldered, and/or acrylic retained. The National Board for Certification of Dental Laboratories has recognized Bertram Dental Lab Inc. as a "Certified Dental Laboratory".

Martenson & Eisele, established in 1977, is a full-service civil engineering and land surveying firm that offers planning, environmental engineering and architectural services. It offers a variety of planning and related services, including land use and industrial and business park redevelopment planning, complying to zoning and development regulations, community needs assessments and computerized mapping services. It offers a range of topographic surveys and provides site layouts for subdivisions, boundaries, condominiums, flood plains, residential and commercial sites and building sites. The firm offers a full range of civil engineering services that include transportation, public works and stormwater projects. In addition, the firm offers land development services for residential, commercial, educational and industrial sites, and parks and recreational facilities; engineering and economic feasibility studies; and construction observation and administrative services. It is located in Menasha, Wis.