15708 Inglewood Avenue Lawndale, CA 90260
Monday - Friday 6:00AM-4:00PM
(310) 643-9158



Strength by association has enabled us to better handle the every evolving trades in which we service. We belong to the following affiliations which enable us to stay up to date on the newest products, services and business practices in the industry:


AD Gypsum Supply is a national co-op comprised of 140 leading independent wall and ceiling distributors serving approximately 140 distributors with 275 + locations in the United States representing over $1 billion in sales. Through association with AMAROK has allowed us to provide the best products for a competitive price just as the national chains. Our partnership in Amarok gives us the ability to take care of our customers’ needs anywhere in the US.


California Building Materials Dealers Association

CBMDA is a nonprofit association representing and made of, building material dealers, manufacturers and industry related professionals. They joined together to develop Confidence, Promote Communication and grain group influence to benefit its Members and building material industry members personally gain by getting to know each other and by sharing ideas, problems and information concerning our business and industry. Westwood Building Materials is a proud founding member of the CBMDA and has had three generations of the St John family members serve multiple times as President.

AWCI represents 2,200 companies and organizations in the acoustics systems, ceiling systems, drywall systems, exterior insulation and finishing systems, fireproofing, flooring systems, insulation, and stucco contractors, suppliers and manufacturers and those in allied trades. Our mission is to provide services and undertake activities that enhance the members’ ability to operate a successful business.

NFIB is the leading small business association representing small and independent businesses. A nonprofit, nonpartisan organization founded in 1943, NFIB represents the consensus views of its members in Washington and all 50 state capitals. NFIB’s mission is to promote and protect the right of our members to own, operate and grow their businesses. NFIB also gives its members a power in the marketplace. By pooling the purchasing power of its members, the National Federation of Independent Business gives members access to many business products and services at discounted costs. NFIB also provides timely information designed to help small businesses succeed.

SFIA is dedicated to expanding the market for cold-formed steel in construction through programs and initiatives that Promote the use of cold formed steel framing as a sustainable and cost-effective solution, Advocate the development and acceptance of favorable code provisions, Educate members with reliable data and other critical information that is essential to effective business planning, and create a positive environment for Innovation.

WWCCA is the oldest, most powerful and meaningful active Wall & Ceiling Association in the west. We have been a functioning entity for more than 100 years. WWCCA is a non-profit organization representing over 85 subcontractors and 100 affiliates who have joined to promote the installation of quality steel framing, lathing, plastering, fire proofing, drywall, insulation and EIFS.