Affiliations

Isolatek is recognized throughout the world as the leader in passive fireproofing and the only manufacturer whose specific focus is with a complete line of products providing solutions to the construction industry.

is North America’s largest building-trades union, with more than a half-million members in the construction and wood-products industries. Its missions build on the union’s nearly 130-year history of improving lives through hard work, education, and solidarity. We recognize that for the union to remain strong, our signatory contractors need to succeed in today’s highly competitive marketplace. They do that with workers committed to safety, productivity, and the proud legacy of our Brotherhood.


Plasterers & Shophands Local 66 is a professional trade union and association committed to representing our membership’s financial well-being and to bring quality workmanship, integrity, and training to the workplace.

established in 1954, non-profit corporation established to serve the construction industry. Our membership is comprised of licensed contractors, specialty subcontractors, material manufacturers and suppliers, design professionals and building-related business associates. We cover Contra Costa County and various outer lying areas.

Local Union 270 AFL-CIO provides representation and support for all our members in the Bay area. We represent employees in both construction and industrial occupations, and in both the private and public sectors. Our member's skills range from heavy equipment operator to laboratory technician, from city workers to policemen. Our geographic jurisdiction covers the California counties of Santa Clara, Santa Cruz, and San Benito Counties. We have offices in San Jose and Santa Cruz, California.

Hod Carriers Laborers, Employees, and Education Trust Local 166
Located at 8400 Enterprise Way Room 109, Oakland CA 94621 Local 166 services Alameda, Contra Costa, San Francisco, San Mateo, Santa Clara, Santa Cruiz Counties and any and all northern California Counties. They are affiliated with the American Federation of Labor and Contracting Plasterers.

| Since 1913, | The Blue Book of Building and Construction has been the construction industry's premier information source. The Blue Book, headquartered in Westchester County, New York, publishes regional construction directories in most major markets throughout the United States.