BIG O EXCAVATING
At Big O Excavating, we believe great projects start from the ground up—literally. Founded on hard work, integrity, and decades of hands-on experience, we bring precision, reliability, and pride to every job site.
Led by Marty Ostronic, a seasoned industry professional with deep roots in civil construction and land development, Big O Excavating was built to be more than a contractor—it’s a true partner in progress. Marty’s vision has always been simple: do the job right, do it safely, and treat every client like they’re the only one.
Our team specializes in excavation, grading, land development, site management, and civil construction, with a strong focus on design-build delivery. Whether we’re preparing a site for a new commercial building, managing stormwater systems, or helping homeowners create lasting foundations, our work is guided by precision and purpose.
What sets us apart? It’s not just the equipment or the technical skill (though we have both). It’s the people. It’s the ability to look ahead, solve problems before they arise, and bring value at every step. We don't just move dirt—we move projects forward with confidence and clarity.
This site is your starting point to learn about our full range of services, explore our capabilities, and connect with a team that’s as invested in your project as you are. Whether you're a developer, contractor, municipality, or homeowner, Big O Excavating is here to build trust—before we even break ground.
OUR SERVICES
Big O Excavating specializes in delivering precise, reliable, and cost-effective solutions for residential, commercial, and municipal projects across the region.
What makes us different? We combine hands-on expertise with a client-first mindset, offering a vertically integrated approach that streamlines every phase—from planning and permitting to on-site execution. Our core values are simple: honesty, quality, safety, and accountability.
This site is your resource for learning more about our services, past work, and how to get started. Whether you’re breaking ground on a new project or need expert support mid-stream, we’re here to help you move forward—with confidence.
EXPERIENCE
With decades of hands-on expertise, Big O Excavating is led by industry veteran Marty Ostronic, whose deep background in excavation, land development, and civil construction has shaped the company’s trusted reputation. We bring real-world knowledge, strategic insight, and precision to every project—whether it’s a residential build, commercial development, or municipal infrastructure.
What sets us apart is more than just our equipment or capabilities—it’s the way we work. At Big O, we combine old-school work ethic with modern technology, offering a vertically integrated approach that ensures total oversight from pre-construction through project completion. Every job is approached with a focus on efficiency, safety, and long-term value.
Our core values—integrity, accountability, and craftsmanship—guide everything we do. We’re not just building sites; we’re building trust, relationships, and communities.
This site offers a full look at our services, special project capabilities, and unique approach to site work and construction. Whether you're planning your first build or managing large-scale developments, Big O Excavating is ready to dig in and deliver.
ACCOUNTABILITY
At Big O Excavating, accountability isn’t just a word—it’s the foundation of everything we do. Founded and led by Marty Ostronic, a seasoned expert in excavation and civil construction, our team takes pride in showing up, standing behind our work, and doing things the right way—every time.
We specialize in site development, grading, land clearing, utility installation, and project management for residential, commercial, and municipal clients. What sets us apart is our commitment to seeing every job through with precision, transparency, and integrity.
When you work with Big O Excavating, you’re choosing a team that:
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Communicates clearly and consistently
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Delivers on time and within budget
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Solves problems before they become delays
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Treats your project like it’s our own
This site is your resource to learn about our services, past projects, and how to get started. Whether you’re breaking ground or reworking infrastructure, you can count on us to stand behind every shovel of dirt—and every promise we make.
Because at Big O Excavating, accountability isn’t optional. It’s guaranteed.

