Ask The Builder
Ask the builder utilizes the knowledge, experience, and writing skills of Tim Carter, a syndicated newspaper columnist and author of several books on home improvement. The site includes searchable article archives, a project tips resource, and an online store.

Pro Builder Magazine
Pro Builder Magazine, now known as Housing Zone is an extensive web resource for the residential building industry that includes late breaking news concerning economic factors effecting home building, government regulation, and trends in the industry. There is also a builder's archived document center and a classified ads page for user postings.

The Wholesaler
Current, up-to-date news of plumbing, heating, cooling, and industrial piping distribution.

PM Engineer Magazine
PM Engineer (the PM stands for "Plumbing & Mechanical"), or PME. Our editorial mission is to provide specifying and consulting engineers with the most accurate and enlightening information to help them succeed in their technical and business endeavors. And to do it in a way that's fun to read!

PPI (Plastic Pipe Institute)
The Plastic Pipe Institute is the major trade association representing all segments of the plastics piping industry. PPI members share a common interest in broadening market opportunities that make effective use of plastic piping for water and gas distribution, sewer and wastewater, oil and gas production, industrial and mining uses, power and communications duct and irrigation. The PPI site features an insider newsletter, a list of publications, and a calendar of PPI events.

www.plumbinglinks.com
PlumbingLinks.com is the largest plumbing resource on the World Wide Web. From here you can reach the entire plumbing and heating industry.

NAPHCC (National Association of Plumbing Heating Cooling Contractors)
The NAPHCC is dedicated to the promotion, training, advancement of the industry for the protection of the environment and the health and safety of society. Their online resource contains FAQ's, product information, and current news information.

American Society of Plumbing Engineers
The plumbingengineer.com site is an online resource for industry coding information and sales for plumbing products. There is a news resource, online code updates, and an instructional guide to plumbing techniques and innovations.

Plumbing and Heating Contractor News
With far more than 55,000 plumbing contractors and 30,000 hydronic contractors doing business nationwide, it's amazing that there was only one contractor magazine that specifically targets this market.
There is a choice and a new voice for the rest of the market. Plumbing & Heating Contractor News specifically targets mechanical and plumbing contractors who are involved in the plumbing, hydronic heating and piping markets.
We know how busy you are. Accordingly, we have designed Plumbing & Heating Contractor News to be an informative quick-read look at your industry. It will cover products, government issues, manufacturing news, "how-to" issues and management ideas. Its editorial focus will be directed at helping contractors succeed in business. Plumbing & Heating Contractor News is designed to not only generate interest for the contractor but to generate great inquiries as well!

CISPI Cast Iron Soil Pipe & Fittings Handbook
Through the preparation and distribution of technical reports, CISPI seeks to advance interest in the manufacture, use and distribution of cast iron soil pipe and fittings, and through a program of research and the cooperative effort of soil pipe manufacturers. CISPI's website provides a Cast Iron Handbook, a list of member foundries, and a FAQ page.

ASTM
The complete set of ASTM specifications direct from www.astm.org.

Copper Tube Handbook
The Copper Tube Handbook is an online resource concerned with information about Copper Tubing, from different types of tubing to joining methods. The Copper Development Organization, a group of Copper companies from around the world, features the Copper Tube Handbook and The Copper Page, an online guide to everything copper, from sales to metallurgical data.