- Accurate Electrical Estimating - Providing professional electrical estimating and consulting services, using all major software estimating systems.
- Allen Estimating Services - The company provides construction estimates for any size or type project in any location at inexpensive hourly or per-job rates.
- American Society of Professional Estimators - ASPE - Providing estimators with education, fellowship, and opportunity for professional development. Employment board, information on the organization and its chapters.
- Bar-Cal - Providing structural and mechanical contract estimate services for the steel fabricating industry.
- Build-A-Quote - Construction estimates for new buildings, extensions, refurbs, garages, landscaping and flats.
- Building Journal - Construction directory using the 2004 construction specification institute masterformat.
- Construction Bookstore - Books, tapes, software and references for professional builders, construction contractors and sub-contractors, and do-it-yourself construction projects.
- Construction Cost Estimates - Providing estimates of construction costs for commercial, residential, civil and institutional works.
- Construction Cost Estimating.Net - Offers construction estimating products including calculators, software, books and site inspection tools.
- Construction Costs - Links to selected sites providing material prices on the web.
- Construction Estimating Institute - Training and development of management skills, continued education programs and improved cost estimating techniques. Course listings and schedules; online course in basic math.
- Construction Institute of Technology - Non-profit organization offering free construction consulting service.
- Constructionestimates.us - Construction cost estimators who provide a range of services including feasibility estimates, owner representation, site inspections and quantity take offs.
- Cost Estimator - Online cost estimator for remodeling projects, with labor and materials costs for selected items. Registration required.
- Craftsman Book Company - Reference books and estimating databases. Online store.
- Design Cost Data Magazine - Publisher of estimating systems and historical construction cost data. Excerpts from the publication, and an on-line conceptual estimating system.
- Electrical Enlightenment Estimating Service - Professional estimating services exclusive to the electrical contracting industry. Electrical training seminars and courses using estimating software offered.
- Esti-Mate.com - Lumber estimating service, links to project calculators and other resources.
- F.R. Walker Company - Construction cost estimating reference books, forms, and tools. Company and product information.
- Get-A-Quote.net - Provides access to free up to date online cost databases for general to heavy construction projects.
- Home-Cost.com - Provides home cost estimating tools with the ability to model and change the size and quality of a homes design, immediately calculating the impact on the homes cost.
- Joinery Estimating - Estimating for architectural joinery including specialist products or standard joinery items.
- Modern Engineering Services - MES provide material take-off services to contractors, owners, architects, engineers, and developers.
- Mr. Takeoff's Estimating - Provides customers with a detailed material list from their blueprints, allowing them to shop around for suppliers of lumber/door trim products.
- Penn Electrical Estimating - Estimators of electrical works. Translating blueprints, scopes of work, pre-bid field inspections and verbal requests for proposals into costs of materials and labor required to produce a complete electrical installation and a profit margin.
- Professional Construction Estimators Association - Focused on professional education, with a scholarship program. Association charter, officers, and newsletters.
- R.S. Means Company - Construction cost software and publications, reference books, consulting services, and estimating seminars. Information on the company, on-line cost estimator, and construction dictionary.
- Saylor Publications - Up-to-date building cost manuals for residential, commercial, industrial and institutional construction. Much of the information is available in both printed and CD-ROM formats.
- Steel-Estimate.com - Provides detailed estimates for Reinforced Steel (Rebar), in large construction projects across the USA and Canada. The reports are available in Portable Document Format (PDF) and can be purchased on-line.
- Stone Estimate - Stone Estimate is a natural stone estimating portal. It includes many essential tools for natural stone customers like articles, project galleries, designer tools, videos, and forums.
- Thomas Insulation Corporation - Thomas Insulation Corporation specializes in providing estimation take off services for the commercial and industrial insulation industry.
- Walsh Estimating - Estimators specializing in Earthwork and Structural Concrete takeoffs.