City of Pasadena 117 East Colorado Boulevard, Pasadena, CA 91105, 626-744-7000, Provides information on local city services and local government offices in the Pasadena area. more...

Pasadena Chamber of Commerce 865 East Del Mar Boulevard, Pasadena, CA 91101, 626-795-3355, Promotes and supports businesses and industries in the Pasadena area plus provides relocation information. 

Pasadena Visitors and Convention Bureau 171 South Los Robles Avenue, Pasadena, CA 91101, 626-795-9311, Provides information on local lodging, shopping, dining, entertainment, and attractions in the Pasadena area. more... 

South Pasadena Chamber of Commerce 1610 Mission Street, Pasadena, CA 91030, Located in South Pasadena, 626-799-7161, This chamber of commerce focuses on promoting the businesses and industries in South Pasadena.