Santa Maria, CA

1306 White Ct
Santa Maria CA 93458
Phone: 805-621-7830


Patrick Frank
Branch Manager
Patrick Frank has over 29 years of dealership management experience in building and growing the dealership brands in the southern California market that includes agriculture, construction, turf and related equipment.

Sales & Rentals

Rafael Valdez Cardenas
Agriculture and Construction Sales
Due to his experience in sales and family background in agriculture, Rafael Valdez Cardenas serves as the agriculture and construction equipment sales representative for the Santa Maria location.


Juan Manzo Arredondo
Field Technician
A dedicated field technician for the company since 2016, Juan Manzo Arredondo has vast knowledge of equipment repair and services due to his agricultural background. He provides field service and repairs to help customers maintain equipment operation and productivity.
Jerry Baker
For the last 14 years, Jerry Baker started with Staben Equipment as lead mechanic, which is now the Diamond A Equipment Oxnard location. Since relocating to the Santa Maria location, Jerry primarily oversees shop activities and handles repairs on large equipment.
Marco A. Esparza
Service Manager
With an extensive equipment background, Marco A. Esparza has been with the company since 2016. As the service manager, he oversees the Service Department activities for the Santa Maria location. He is also responsible for branch drivers and field technicians.
Luis Ruiz
Since 2017, Luis Ruiz has been a dedicated and responsible driver with Diamond A Equipment. He oversees the preparation and delivery of rental and sales equipment. When he’s not delivering equipment, Luis assists technicians and provides support in the yard. He has over 20 years of driving experience.


Rick Cooper
Parts Counter Sales
With over 25 years of experience in heavy equipment parts sales at dealerships in both Arizona and California, Rick has extensive experience with Ford New Holland, Bobcat, Kubota, Case, John Deere and many other tractor and attachment lines. He specializes in finding limited or discontinued parts to ensure customers get the best solution for the best value.
Michele Mendoza
Parts Department Personnel
Michele Mendoza has worked in the Parts Department since 2008. She has been in the Santa Maria location since operations began, and has been instrumental in its growth and success. Michele is also an active member of the Santa Maria community and the local Elks Lodge.
Rickey Torres
Shipping & Receiving
Working with the company in the Parts Department since 2014, Rickey started in Shipping & Receiving and has expanded his responsibilities to include parts counter sales and inventory control.