Masonry - The Baum name has been synonymous with masonry construction in central Illinois for generations. It's in our blood, and we are committed to maintaining our reputation as the area's premier mason contractor.

• Brickwork
• Blockwork
• Stone
• Basements/foundations
• Glass block

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Concrete - Portland cement concrete is one of nature's most versatile and enduring building materials. OBCI has performed quality concrete construction on a wide variety of central Illinois projects, displaying a versatility as extensive as the material itself.

• Footings
• Walls
• Building and equipment foundations
• Industrial structures
• Slabs on grade
• Structural & elevated slabs
• Concrete pavement & drives
• Curbs
• Sidewalks
• Retaining walls
• Decorative concrete
• Concrete pumping

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Earthwork - OBCI recognizes that earthwork is an integral part of almost all construction projects. OBCI has the equipment and expertise to offer a broad range of earthwork services, from mass earthmoving and site development to trench excavation and backfilling.

• Site clearing & grading
• Structure excavation
• Trenching
• Spoil removal
• Backfilling
• Granular paving & fills
• Compaction

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Site/Civil - OBCI is experienced in site/civil work, and has the engineering staff, equipment, experienced crews, and performance bonding to tackle the most challenging projects.

• Buildings
• Highway/heavy
• Bridges
• Box culverts
• Sewer construction
• Retaining structures
• Crane service
• Directional underground boring
• Piling

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Restoration - If not properly maintained, masonry can deteriorate over time from the effects of water penetration and retention, freeze/thaw, and heave. We have decades of experience repairing deteriorated brick, block, concrete and stone, and can provide a maintenance program for preventing or curtailing decay.

• Tuckpointing
• Caulking
• Sealing/waterproofing
• Total masonry reconstruction
• Concrete repair & patching

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