Esti-Mate.com Lumber estimating service, links to project calculators and other resources. http://www.Esti-Mate.com/

Professional Construction Estimators Association Focused on professional education, with a scholarship program. Association charter, officers, and newsletters. http://www.pcea.org/

HVAC Estimator Estimating tools and resources for HVAC - installation and service plans. http://www.hvacestimator.com/index.html

Cost Estimator Online cost estimator for remodeling projects, with labor and materials costs for selected items. Registration required. http://www.costestimator.com/

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. http://www.rsmeans.com/

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. http://www.estimating.org/

Construction Costs Links to selected sites providing material prices on the web. http://www.construction-cost.com/

EPICLine Pricing information for the electrical industry. Search function, links to manufacturer catalogues. http://www.epicline.com/

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. http://www.aspenational.com/

Design Cost Data Magazine Publisher of estimating systems and historical construction cost data. Excerpts from the publication, and an on-line conceptual estimating system. http://www.dcd.com/

Craftsman Book Company Reference books and estimating databases. Online store. http://www.craftsman-book.com/

F.R. Walker Company Construction cost estimating reference books, forms, and tools. Company and product information. http://www.frankrwalker.com/

Electrical Construction and Maintenance (EC&M) Magazine Online companion to US-based monthly print magazine that features a mix of in-depth technical articles, market and construction forecasts, and comprehensive product reviews. Offers a buyers' guide, subscriptions, archives, newsletters and mailing lists, and surveys. http://www.ecmweb.com/