About JSC Ag Supply

Your Premier Manufacturer of Trellising Solutions 

JSC Agricultural Supply, founded as Jim’s Supply Co., Inc., is the premier manufacturer of metal trellising solutions. We produce metal stakes, crossarms, and other related trellis materials daily at our in house manufacturing facility in Central California in the USA. Our extensive product line includes metal posts, pipe end posts, trellis wire, anchors, animal control, tree and vine protection, fencing supplies, and more.  In addition to our unique manufacturing capabilities, we also carry everyday farming supplies such as personal protective equipment, harvest supplies, pruning tools, safety and sanitation supplies, restroom and shade trailers, and heat illness prevention supplies. Servicing the citrus, vineyard, berry, stone fruit, and various other grower industries for over 60 years, our team appreciates the opportunity to work with growers to develop solutions that best fit their applications.

Our History

James Boylan, Co-founder of Jim’s Supply

JSC was founded by Jim and Doreen Boylan out of their home in 1959. The company started as a structural steel and pipe supplier. Jim bought, sold, and delivered the steel while Doreen handled the phones and office work, while also caring for their 5 children. In the 80s, the couple expanded the operation to include full on site production of metal trellising products. Around this same time, JSC also became a distributor of agricultural and fencing supplies to complement their trellising solutions.

In 2019, our team celebrated 60 years in business!  Headquartered in Bakersfield, CA, the company continues to expand with new store locations in Delano, CA and Independence, OR. Additional locations are coming soon! JSC’s professional sales team is committed to providing excellent service so that our customers can focus their time and money on their business. We also have an online store designed to accommodate smaller growers who appreciate the convenience of ordering online.

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