The Pacific Coast Business Times’ collection of Top 25 lists represents data on thousands of companies in Ventura, Santa Barbara and San Luis Obispo counties, collected by our reporters and researchers.

We offer a new list each week ranking the top companies, employers and people operating in one of the many industries that compete in the Tri-Counties. Our editors research and validate all of the information, so that you can be sure you’re getting the most accurate data available.

• All lists come in an Excel compatible format, and you can preview the top listings in HTML format.
• Please note: All list purchases are a one-time download and are non-refundable.

If you have questions about our lists, want to nominate a company for inclusion or need to update information, please contact Special Reports Editor Chris Officer at cofficer@pacbiztimes.com.

Log in here

PRODUCTS PROFILE

HTML View

Prefer Excel? A complete spreadsheet of this list is available. Download Excel file Architecture Firms Ranked by number of licensed architects in the Tri-Counties Rank (Prior) Name Address City, ZIP Phone Website Architects Features Principal(s) Year est. 1 (1) RRM Design Group 3765 S. Higuera St., Ste. 102 San Luis Obispo, 93401 (805) 543-1794 rrmdesign.com 33 For 50 years, RRM Design Group has partnered with individuals, developers, agencies, and cities across the Central Coast focusing on the broad mission of "Creating Environments People Enjoy." A notable Central Coast success story, RRM is a 100% employee-owned design firm comprised of architects, engineers, planners, landscape architects and surveyors who are please to contribute value to our local communities. RRM now provides AEC services from seven West Coast offices spanning from San Diego to Seattle Erik Justesen, Lenny Grant, Detlev Peikert, Nick Deitch 1974 2 (2) 19six Architects1 802 East Cota St., Ste. A Santa Barbara, 93103 (805) 963-1955 19six.com 31 Founded in 1906, 19six has a rich history of designing projects that enrich communities. With expertise in K-12, higher education, healthcare, housing, civic/cultural facilities, the firm offers comprehensive in-house services, including interior design, structural engineering, planning, design, and construction administration. 19six operates from eight offices across California, delivering cost-effective and innovative design solutions for over a century Alan Kroeker, Monisha Adnani, Rosa Alvarado 1906 3 (5) Appleton Partners LLP 117 W. Micheltorena Santa Barbara, 93101 (310) 828-0430 appleton-architects.com 24 Planning and design of custom residential, institutional and commercial projects for private and public clients, including additions, restorations Marc Appleton, Ken Mineau 1976     Sources: Phone and email surveys. Notes:1 19six Architects was previously named PMSM Architects. n/a = not available. nr = not ranked. A duplicate number in the rank column indicates a tie; in the case of ties, companies were ranked alphabetically. This list was     updated in Dec. 2023.