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San Joaquin Sulphur Co., Inc

Quantum Irrigation

Telephone: 209.368.6676 

Fax: 209.367.4929



Physical Address:

720 N. Sacramento Street

Lodi, California  95240


Business Hours:

Monday thru Friday 7:30am - 4:30pm
Saturdays 8am until noon April thru August

Closed major holidays and the day after Thanksgiving


Mailing Address:

P.O. Box 700

Lodi, CA  95241


Get directions to San Joaquin Sulphur below.


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Our Team


Our staff has a cumulative total of over 140 years of agricultural experience to serve your needs.  We are dedicated to providing top notch service and products and our depth of knowledge is your resource.  Come see us or call……


Jan Chandler, President of SJSC, is a licensed Pest Control Advisor (PCA) in the office and part of San Joaquin Sulphur since 1993.

Email: Jan@sjsulphur.com

Phone: 209.368.6676


Bruce Burlington is a former Pest Control Advisor (PCA) and has been providing agricultural consulting with SJSC since 1957.

Phone: 209.368.6676


Steve Conger has 3 decades of experience in irrigation system design, installation, maintenance and sales and brings a high level of competency to his position as an irrigation specialist for Quantum. Educated through the CIT programs at CSU Fresno and CalPoly, Steve began designing commercial and residential irrigation systems in Oakdale and Modesto in 1981. Steve first started with Quantum Irrigation in 1997 and continues to excel in Sprinkler, Drip, Micro and Flood Irrigation system design and maintenance

Email: Steve@sjsulphur.com

Phone: 209.380.5681


Robert Broderick is our staff Pest Control Advisor (PCA), Certified Agronomist (ARPACS), and Certified Crop Advisor (CCA).  Robert has over 20 years experience as a crop consultant for vineyards and tree fruits and nuts as well as other crops. Robert also farms his own walnuts near Linden. 

Email: Robert@sjsulphur.com

Phone: 209.327.3955



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