Association for the Advancement of Cost Engineering (AACE)
www.aacei.org
Offers an online bookstore.

National Electrical Contractors Association (NECA)
www.necanet.org
Offers commonly used publication on productivity losses as well as publications on estimating the cost of change orders and other studies on loss of efficiency.

U.S. Army Corps of Engineers Construction Engineering Research Laboratories for the Construction Technology Transfer Center at Indiana State University
www.buildersnet.org/cpmtutor/cpmtutor.html
Provides an online training program to educate viewers on CPM scheduling.

American Society of Civil Engineers (ASCE)
www.asce.org
Includes a publications page that leads to its journal publications.

R.S. Means
www.rsmeans.com
A leading supplier of construction cost information.

Engineering News Record Cost Indexes
www.enr.com/cost/cost1.asp
Includes a Building Cost Index (BCI) for the years 1915 to present and a Construction Cost Index (CCI) for 1908 to present.

Marshall Swift
www.marshallswift.com
Provides residential and commercial building cost data for new construction and renovation work.

Project Management Institute
www.pmi.org
Offers products and news related to project management issues, including CPM scheduling and change management.

Defense Acquisition Deskbook
web.deskbook.osd.mil/default.asp
Includes a substantial database of government contract documents that are easily accessible through the search tool.

U.S. Army Cost and Economic Analysis Center
www.ceac.army.mil/pubs
Provides a publication search tool.

Construction Criteria Base
www.ccb.org
Provides a search library of construction documents primarily related to government contracts.

iCivilEngineer
www.icivilengineer.com
Referred to as "the Civil Engineering Web Directory."

Construction Industry Institute in Austin, Texas
construction-institute.org/main/intro.htm
Presents best practices in several areas of construction, including change management and disputes resolution.

Contractor Website Links

GENERAL CONTRACTORS

Baltimore Contractors
www.baltimorecontractors.com

Kinsley Construction
www.rkinsley.com/kinsleychoice.htm

Perry-McCall Construction, Inc.
www.perry-mccall.com

Pioneer Builders
www.pioneerbuilders.com

ELECTRICAL CONTRACTORS

Encompass Electrical Technologies
www.regencyelectric.com

ENVIRONMENTAL CONSTRUCTION

Delaware Cornerstone Builders
www.8a.com

MASONRY CONTRACTORS

J.D. Long Masonry, Inc.
www.jdlongmasonry.com

PLUMBING & MECHANICAL CONTRACTORS

William R. Nash, Inc.
www.wrnash.com

Nash Inc.
www.nashincp-m.com

SHEET METAL CONTRACTORS

Stromberg Sheet Metal
www.strombergmetals.com