Brick Industry Association (Brick Institute of America):
This site has excellent Technical Notes on Brick Construction which can be downloaded in pdf format and printed.

National Concrete Masonry Association:
The National Concrete Masonry Association (NCMA), established in 1918, is the national trade association representing the concrete masonry industry. The Association is involved in a broad range of technical, research, marketing, government relations and communications activities.

World of Masonry / World of Concrete:
WOC is the industry’s only annual international event dedicated to the commercial concrete and masonry construction industries with 1,700+ leading industry suppliers in more than 900,000 net square feet of exhibits featuring innovative products, technologies, tools and equipment to give you new ways to sustain and grow your business.

The Sweets Group McGraw Hill General Building File:

ARCAT.com - Specs and CAD details:
ARCAT provides information on building materials for architects, spec writers, engineers and contractors. Including 10,500 manufacturers with thousands of their cad details, specifications, BIM families, wizards, links to every web site and other information. This data assists professionals in making informed product selections.

Structure Magazine:
The Editorial Board will engage, enlighten, and empower structural engineers by publishing interesting, informative, and inspirational content in STRUCTURE magazine that is professionally relevant, technically reliable, and intellectually refreshing.

Construction Specification Institute:
CSI is a national association dedicated to creating standards and formats to improve construction documents and project delivery. The organization is unique in the industry in that its members are a cross section of specifiers, architects, engineers, contractors and building materials suppliers.

Builders and Contruction Business Directory:
Business resource for builders and construction directory; find commercial buildings, builders and construction-related web sites.

Masonry Advisory Council:
We are dedicated to providing the public with as much general and technical information as possible about masonry design and detailing . The core of the site is the technical library in which one may find several of our most popular technical documents available to read online.

International Masonry Institute:
The IMI Masonry Detailing Series shows you IMI-recommended details, plus explanations of the various options within each detail. Different situations call for different solutions, and IMI can work with you to get the right detail for your project.

The Masonry Society (TMS):
The Masonry Society is an international gathering of people interested in the art and science of masonry. It is a professional, technical, and educational association dedicated to the advancement of knowledge on masonry.

Level 3 Design Associates:
Specializing in the design of Stone Anchorage Systems, Stone Repair and Renovations, Structural Designs, Forensic Investigations, and more.

Lang Stone:
The oldest family owned stone company in the United States.

Edwards Cast Stone:
Architectural Precast and Cast Stone Products.

Home Builder Directory:
The Largest Home Builders and Construction Directory

Bailey Metal Products Limited:
Canadian Manufacturer of Bailey Brick Connector.

Thunderstone:
Cast Stone manufacturer of architectural masonry products intended to simulate limestone and other natural cut stone building materials.

International Union of Bricklayers and Allied Craftworkers:
Home of the BAC Journal magazine.