Arcom Master Systems - MASTERSPEC specifications and SPECWARE specification development and production tools.

Construction Specifications Canada - Specifications documents and templates, directory of members.

The Construction Specifications Institute - Technical information and products, continuing education, professional conferences, and product shows. CSI MasterFormat provides a common system of organizing and presenting construction documents.

Spectext Master Guide Specifications - System for preparing clear, concise specifications that conform to CSI formats.

Specifications Consultants in Independent Practice - Directory of members, forum for specifiers, and information on the organization.

e-specs - Information on this specifications consulting firm.

Sweets - Building products catalogue includes product specifications, CAD Libraries, Manufacturer's Rep listings, and instant RFI service.

4specs - Building products catalogue, with links to manufacturers.

Specsintact - System for preparing standardized facility construction specifications worldwide. Used by NASA, the U.S. Naval Facilities Engineering Command (NAVFAC), and the U.S. Army Corps of Engineers (USACE).

SpecType - Training for SGML SPECSINTACT (Military specs)in the United States.

Construction Criteria Base - Documents used in building design and construction, including guide specifications, manuals, handbooks, regulations, and reference standards. Drawn from U.S. Federal agencies and private sources, a limited number of these documents are free to "guest" users.

US Veterans Administration Facilities Management - Guidelines, standards, and information on USVA construction programs.

National Pavement Contractors Association - Specifications for pavement related work, a glossary of pavement terms, and personal help with pavement specifications or questions.

State of New York, Office of General Services - Design and construction master specifications and contractual legal requirements.

Speclink - Products for cost management, cost engineering, value analysis, and construction specifications.

C-Specs - Specifications consulting firm offers short-form construction, maintenance, repair specifications and bid forms.

School Dude - Information for school maintenance professionals, including postings of specifications and bid documents.

Builders Hardware Manufacturers Association-Standards and Certification for Architectural Hardware - Publisher of standards for architectural (door and window) hardware. Product directory, sales of standards documents, and technical support.

FacilitySpec - Online RFPs for facility maintenance and repair projects. Specifications and contract documents provide standards for roofing, plumbing, paint, ceilings, and other construction trades. Contractor notification service.

First Source Exchange - Building products catalogue with preliminary product selection information, comprehensive listing of manufacturers, SPEC-DATA technical product information, and MANU-SPEC® proprietary specifications.

Spexwest - Information on this specifications consulting firm. Offices in California, Washington, and Ukraine.

Kalin Group - Master Specifications, including outline and short forms. Information on Kalin Associates, a specification consulting firm.

Railroad Specifications Guidelines - Documents for the construction and maintenance of utility installations made on, over, or along a railroad's mainline right-of-way/property.

American Institute Of Architects - Resources include AIA contract documents, handbooks, guidelines, and MasterSpec.

Davis Langdon Everest - On-line specification writing system.