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Trusted auction Partner

FOR OVER 40 years

Explore Opportunities

BIGIRONSULLIVAN

BigIron and Sullivan Auctioneers:

Building Opportunities Together

At BigIron and Sullivan Auctioneers, we’re all about creating connections and delivering results. What began as regional auction services rooted in Midwestern values has grown into one of the most trusted and expansive online auction platforms in the industry. Together, we serve a global marketplace while staying true to the principles that built our success: respect, honesty, and transparency.

As leaders in online auctions, we connect buyers and sellers of agricultural equipment, construction machinery, transportation assets, real estate, livestock, and collector cars. Our combined strength allows us to deliver exceptional service and unmatched reach while maintaining a fair and straightforward process for everyone involved.

Our goal is simple: to make the auction experience easy, effective, and accessible. Powered by a passionate team committed to integrity and innovation, we strive to create winning outcomes for both our customers and our employees.

Working with BigIron and Sullivan Auctioneers means being part of a forward-thinking team where your ideas and efforts make a real impact. Whether your talents lie in marketing, sales, operations, or customer support, there’s a place for you here to grow, lead, and succeed.

We’re not just running auctions — we’re creating opportunities. Join us and be part of something truly special.

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OURPURPOSE

MISSION

To be the most customer-focused auction platform — delivering value, transparency, and exceptional service at every stage of the auction process.

VISION

To provide end-to-end services that enables buyers constant access to quality assets and sellers to maximize market value.

VALUES

We lead with collaboration, innovation, accountability, service, and a commitment to excellence — principles that shape how we work and grow every day.

OURHISTORY

What began as regional, family-founded auction services has grown into a powerhouse in the online auction industry — serving customers across the globe with trust, transparency, and results.

Our Roots

BigIron and Sullivan Auctioneers each began with a vision to make buying and selling agriculture equipment and land easier, more efficient, and more accessible. With decades of combined experience, both companies evolved from traditional, in-person auctions to innovative online platforms — driven by a shared commitment to integrity and customer success.

BigIron moved to an exclusively online platform in 2009. Sullivan Auctioneers, known for its long-standing reputation and deep agricultural ties, also embraced digital innovation to expand its reach and enhance the customer experience. Today, as a combined force, BigIron and Sullivan Auctioneers serve a broad range of industries, including agriculture, construction, transportation, real estate, livestock, industrial equipment, and collector cars.

Our Commitment

Together, BigIron and Sullivan Auctioneers are dedicated to delivering a fair, transparent, and seamless auction experience. Our user-friendly platforms empower buyers and sellers with the tools and insights they need — whether upgrading equipment, selling land, or trading unique assets. Rooted in small-town values and driven by continuous innovation, we’re proud to grow alongside our customers while staying true to the principles that set us apart.