A disciplined field operation serving serious clients across public and private sectors.
Seylone is a self-performing specialty firm headquartered in New York, delivering field execution at engineering-grade standard for the firms and agencies that build, maintain, and rebuild across eight states. Two integrated operating groups, one accountable team.
Certified DBE, MBE, and SBE. Built for work where conflicts matter and documentation is non-negotiable.
Two divisions. One uncompromising standard. Every service, self-performed.
Seylone Construction Group
Construction-side field services delivered at prime-contractor standard.
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Concrete Coring & Sawcutting
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Structural Probing
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Localized Excavation
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Precision Trenching
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Site Clearing
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Surface Restoration
Seylone Earth & Civil Group
Subsurface investigation, test pits, SUE, and specialty drilling programs.
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Test Pits
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Subsurface Utility Engineering (SUE)
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Vacuum Excavation
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Geotechnical Drilling
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Environmental Drilling
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Limited Access / Interior Drilling
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Monitoring Well Installation
Marquee work across the Northeast. And beyond.
Seylone's project portfolio includes major public infrastructure, private development, and institutional programs across eight states.
Unisphere, Flushing Meadows–Corona Park.
Multi-discipline foundation investigation and restoration around one of New York City's most recognizable landmarks.
Case Study →
Camden County LINK Trail
High-volume test pit investigation through difficult terrain along a linear trail corridor in Southern New Jersey.
Case Study →
Bobby Wagner Walk Esplanade
Subsurface investigation and field services supporting the reconstruction of a signature East River waterfront esplanade.
Case Study →Built to plug into any team. At any scale.
Prime Contractors
Subconsultant execution, integrated into prime-led delivery teams on complex projects.
Engineering Firms
Field support for investigation, exploration, and documentation programs.
Developers
Private sector site preparation, utility investigation, and restoration.
Agencies & Institutions
Direct agency engagement backed by DBE / MBE / SBE certifications.
