Mainland Supply is a small, woman-owned business helping government and private sector buyers meet their needs at the right price. Mainland Supply is a leader in the direct supply of premium imaging cartridges, electronics, office products and equipment; offering quality products at competitive prices. Based in San Marcos, California, Mainland Supply is one of the fastest-growing companies providing quality-tested products, certified to specific standards for optimum performance and TAA compliance.

Mainland Supply provides same-day quotes, impeccable customer service and can fulfill all of your products and supplies needs, while helping government buyers meet any mandates and private sector meeting their budgets.

Philosophy

Our philosophy centers on the quality and integrity of our diverse inventory of products, great customer service and quick delivery time. Products~ Performance ~Execution! We make it our job to fully understand the business needs of our clients both government and private sector. Our objective is to satisfy our customers by being the most consistent and reliable full service vendor.

As always, feel free to send us your RFQs for prompt and competitive quotes on the products that you need. Let us know what you need and how we can help you!

Our partnerships with top manufacturers and wholesalers with strategically placed warehouses nationwide allows Mainland Supply to process your orders, in most cases, ship same or next day.

Please take a moment to shop our site, and let us know your thoughts.

We truly appreciate the opportunity to earn your business!