4specs.com is a complex site, containing mainly manufacturer names and words relating to product types, such as roofing or HVAC; this gold searches the 4specs online database, which are searchable by company-name, and returns to you contact information, such as address, phone, and website link and section listings.
Within this site you will be able to navigate by division and sections, using these numbers are mostly the best way to find alternate suppliers once you know the section to look in, yet you can also use the blue search box to search with key words and getting you started in appropriate sections. By choosing the blue search box, you will be able to website search for company names or product types, and automatically searches all of the product section pages and all changes in companies and companies with many changes or out of business. You will be able to find many other sections, such as tips, 4spec discussion forum, and much more. 
