About Us

Exceptional People Drive Exceptional Service

Our History

Our business has grown to be one of the largest independent marketers of agricultural products in California. We are committed to remaining one of the best through constant investment in our facilities, employees, technology and infrastructure. All while never wavering our promise to provide an exceptional customer experience.

  1. 01/01/1951
  2. 01/01/1954
  3. 01/01/1957
  4. 01/01/1963
  5. 01/01/1974
  6. 01/01/1977
  7. 01/01/1979
  8. 01/01/1980
  9. 01/01/1991
  10. 01/01/1995
  11. 01/01/1997
  12. 01/01/1999
  13. 01/01/2001
  14. 01/01/2003
  15. 01/01/2008
  16. 01/01/2010
  17. 01/01/2011
  18. 01/01/2012
  19. 01/01/2013
  20. 01/01/2014
  21. 01/01/2016
  22. 01/01/2019
  23. 01/01/2019
  24. 01/01/2020
  25. 01/01/2021
  26. 01/01/2023
  27. 01/01/2024
  1. Ag Chemicals Inc. formed by Harvey Lyman

    Ag Chemicals Inc. formed by Harvey Lyman

    Harvey Lyman and five partners formed Ag Chemicals Inc. to serve growers in the Sacramento River Delta area of California. Their third warehouse and office in Walnut Grove now house the Lyman Group Farm Parts Store and maintenance shop operations.

  2. Harvey Lyman Chemicals Established

    Harvey Lyman Chemicals Established

  3. Second location opens up in Clarksburg

    Second location opens up in Clarksburg

    Harvey opens a second location in Clarksburg to serve more customers. The Walnut Grove operation was known as Harvey Lyman Chemicals, and the Clarksburg Operation was known as Harvey Lyman Agservice.

  4. Working Together

    Working Together

    Harvey Lyman Chemicals and Harvey Lyman Agservice were incorporated as individual companies, but essentially worked as a team to serve an expanding grower base throughout the Delta.

  5. Les Lyman Revitalizes Company with Innovation and Employee Empowerment

    Les Lyman Revitalizes Company with Innovation and Employee Empowerment

    Les Lyman, Harvey’s son, returned home to the company on a full-time basis in 1974. Already grounded in Harvey’s philosophy of grower service and the importance of valued employees, Les brought a sensible growth mentality to the business. He added innovation and a philosophy of wise investments for continuous service improvement and better pricing into ongoing business operations.

  6. Company Expands Horizons with Strategic Acquisition of Pezzaglia Nursery

    Company Expands Horizons with Strategic Acquisition of Pezzaglia Nursery

    The company completed their first acquisition, acquiring the Pezzaglia Nursery operations in Rio Vista. The acquisition helped the company move further into the liquid and dry fertilizer business.

  7. Strategic Acquisition Boosts Fertilizer Production and Enhances Agricultural Services

    Strategic Acquisition Boosts Fertilizer Production and Enhances Agricultural Services

    The acquisition of J. M. Buckley Ag Service in Courtland represented an investment in custom dry fertilizer blending and liquid fertilizer manufacturing. The operation was moved to the Harvey Lyman Ag Service location in Clarksburg shortly after acquisition.

  8. Sacramento County Farm Supply Now Serves Galt, Elk Grove!

    Sacramento County Farm Supply Now Serves Galt, Elk Grove!

    The acquisition of Sacramento County Farm Supply in Wilton, CA broadened the company’s service area throughout the Galt and Elk Grove areas.

  9. Empowering Independent Dealers

    Empowering Independent Dealers

    IAP was formed to guarantee the economic viability of the independent agricultural chemical distributor/dealer. Through IAP, The Lyman Company, Inc. was able to maximize purchasing positioning agricultural input market place.

  10. Tremont Supply Expands Reach with Agriform Farm Supply Acquisition

    Tremont Supply Expands Reach with Agriform Farm Supply Acquisition

    Tremont Supply, Inc. acquired Agriform Farm Supply with a plant in Woodland, and retail sales offices in Woodland and Pleasant Grove. Agriform also had a sales office in Geyserville which previously operated under the name Agro-Tech.

  11. TSI earns the Environmental Respect National Award

    TSI earns the Environmental Respect National Award

  12. Growers Ag Service, Inc. Acquisition

    Growers Ag Service, Inc. Acquisition

    The Tremont Group, Inc. acquired Growers Ag Service, Inc. with retail sales offices in Dixon, Tudor and Sonoma.

  13. Tremont Group Acquires Walnut Grove Transports

    Tremont Group Acquires Walnut Grove Transports

    The Tremont Group, Inc. purchases Walnut Grove Transports in Dixon. Walnut Grove Transports is now part of TSI Trucking.

  14. AgriSource Launches in Northern CA

    AgriSource Launches in Northern CA

    The AgriSource operation in Maxwell was formed by The Lyman Group and began operations throughout Northern CA.

  15. Ag Unlimited acquired

    Ag Unlimited acquired

    Ag Unlimited was acquired, broadening the company’s Northern California coastal and inland service areas.

  16. The Harvey Lyman Company, Walnut Grove, earns the Environmental Respect State Award

    The Harvey Lyman Company, Walnut Grove, earns the Environmental Respect State Award

  17. The Tremont/Lyman Groups earn the Ag Retailer of The Year Award.

    The Tremont/Lyman Groups earn the Ag Retailer of The Year Award.

  18. Inland Terminal completed

    Inland Terminal completed

    Inland Terminal, a 60,000-ton liquid and dry storage facility, was complete.

  19. Tremont Engineering founded

    Tremont Engineering founded

    Tremont Engineering was founded to broaden service areas

  20. Growers Ag Service, Yuba City, earns the Environmental Respect State Award

    Growers Ag Service, Yuba City, earns the Environmental Respect State Award

  21. Leading the Way in Agribusiness Compliance and Sustainability Excellence

    Leading the Way in Agribusiness Compliance and Sustainability Excellence

    The Tremont Group Inc. is recognized as a national agribusiness leader in Homeland Securities Act compliance and sound environmental operations.

  22. Uniting for Profitable, Sustainable Agriculture in California

    Uniting for Profitable, Sustainable Agriculture in California

    Our brands have created a rich history of serving customers to help them maximize their potential. Going forward we are Grow West. Grow West is the recognition that today we have to be more prepared than anyone to overcome the challenges agriculture in California can present. Which is only possible when we are all unified under one name, pushing for the same outcome, to maximize grower’s profitability while minimizing our impact on the environment.

  23. Grow West acquired Clark Trucking Service, Inc. in Sacramento, CA

    Grow West acquired Clark Trucking Service, Inc. in Sacramento, CA

  24. Grow West acquired Hammer Trucking Inc. in Lodi, CA.

    Grow West acquired Hammer Trucking Inc. in Lodi, CA.

  25. Grow West Expands Services with Innovative Orchard Irrigation Solutions

    Grow West Expands Services with Innovative Orchard Irrigation Solutions

    Grow West acquired WaterLabs broadening the company’s service to include orchard irrigation technology and consulting services in the Northern Sacramento Valley.

  26. Grow West Soils Manufacturing completed

    Grow West Soils Manufacturing completed

    Grow West Soils Manufacturing is complete, adding scalable custom soil blending to the company’s services.

  27. Grow West Trucking School opens

    Grow West Trucking School opens

Our Brand Values

We promise to work with each other, and for our customers, with the following core values:

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Relationships

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Respect

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Teamwork

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Work Ethic

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Integrity

Unmatched Level-Industry Experience

Our Employees Bring Unmatched Expertise and Industry Level Experience to You

250+

Employees

20+

Wholesale & Retail Facilities Throughout Northern CA

5000+

Grow West Customers

We Grow More Than Crops

At Grow West® building a strong business is synonymous with building a strong community. That is why the people behind Grow West® have continued to lead industry associations, alliances and regional and community affairs organizations.

Likewise, Grow West continues to support more than 80 organizations in 15 counties. It is part of our culture and an essential piece of the fabric of California agriculture.

That means you’ll see us in your community, working to improve our ag industry and our connected economies. And you will see our history and heritage of working to help our neighbors and friends consistently succeed show through. These attributes and actions make Grow West a unique organization that combines the best of our past with our vision for the future.

Organizations We Love & Support

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Business One

Yolo Food Bank logo with colorful vegetables: carrot, tomato, and lime, with text

Yolo Food Bank

FFA emblem with eagle, owl, plow, and the words

Future Farmers Of America

Learn About Ag logo with green leaves and text in orange and blue.

Learn About Ag

Strategic Relationships That Build Grower Profitability

We’re an even stronger organization when we work together with partners who share a common goal – to ensure grower success and grower profitability.

Grow West Partners

Mar Vista Resources logo with turquoise and green wave design, black text.
Logo of Inland Terminal in green and gray, depicting stylized warehouse buildings.
Logo of MVP Safety Professionals, with text in green and yellow.
Yellow CCFS logo with a sunburst design; letters in orange, with black shadow.

Grow West Assets

Aligned Ag Distributors logo: Green stylized A with wheat, black arc, green text.
Logo of
Agricultural Retailers Association logo: Green leaves and grass. Text
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Investing in Relationships That Create Customer Value

Agricultural marketplaces are rapidly changing. Our business has recognized these trends and proactively adapted our model over the past decade to position ourselves for continued success. In our 60-year history, we have consistently adapted to the market, expanded our geographic footprint and diversified our product and service offerings. Part of that strategy is to find and develop strategic relationships that allow us to better serve our customers. They allow us to offer broader and vertically integrated services, creating more purchasing efficiency for our customers.

Grow West Is All Over Northern California

  • A local, independently-owned operation.
  • Entrepreneurs run our locations and store fronts with the support of our management and administration.
  • 250+ employees, 5,000+ customers.
  • 23 retail, farm supply and wholesale manufacturing locations throughout California.
  • Owners in Aligned Ag Distributors, along with Winfield United, the largest purchasing entity of agricultural chemicals in the United States.
  • Less than 3% turnover and many multi-decade employees.