SGGM Architects
- Provides design services in the Iowa and Illinois Quad Cities region. Includes staff directory, firm history, and descriptions and photographs of projects.
- http://www.sggm.net/

Norwyn, L.L.C. - Diamond Cut Division
- Full service concrete cutting and coring contractor. Includes company profile, information about products and services, and contact form.
- http://diamondcutusa.com/

Tri-City Electric Co.
- Electrical contractor and supplier. Includes company news, recent projects, services and solutions, and job listings.
- http://www.tricityelectric.com/

Estes Construction
- General contractor. Includes information about services, projects, corporate profile and newsletter sign up.
- http://www.estescompany.com/

Koehler Electric
- Providing services to industrial, commercial and residential customers in the Quad City area. Includes company profile, case studies and web resources.
- http://www.jwkoehler.com/

Northwest Mechanical
- Provider of residential and commercial plumbing, heating and air conditioning, process piping and automation. Includes company profile, career opportunities and eNewsletter sign-up.
- http://www.northwestmech.com/

Ragan Mechanical
- Offering service of plumbing and HVAC systems for residential and commercial customers, and full-service boiler-making for power-generation facilities. Includes staff profiles and project details.
- http://www.raganmechanical.com/

Story Construction Co.
- Services include general construction, design build construction and construction management.
- http://www.storycon.com/

McCubbin Construction Corp.
- Specializes in full site development including clearing, grading, and paving, as well as golf course and athletic field construction and grinding. Includes company profile and gallery of work.
- http://www.mccubbinconst.com/

Window Professionals
- Specializes in window replacements, vinyl siding, room additions, custom decks, and four-season rooms. Contains company profile and information about brands carried.
- http://www.gowindowpros.com/