Public contractor profile ยท Louisiana Department of Transportation and Development

Diamond B Construction Co., L.L.C.

A public-record profile of bid participation and apparent low-bid wins. No private or inferred pricing behavior is shown.

$335.8Mapparent low-bid dollars won in the published snapshot.
Jobs bid
157Public bid records
Wins
84Recorded apparent low bids
Public facts

What this profile covers

Work types: ASPHALT OVERLAY, BRIDGE REPLACEMENT, BRIDGE REPLACEMENT - NO NEW ALIGNMENT, BRIDGE REPLACEMENT NO NEW ALIGNMENT, Borrow, Drainage Structures, Milling Asphalt Concrete, Lime Treatment, In-Place Cement Treated Base Course, In-Place Cement Treated Subgrade, Pavement Patching, Asphalt Concrete Ov, Borrow, Drainage Structures, Milling Asphalt Concrete, Pavement Patching, Lime Treatment, In-Place Cement Treated Base Course, Asphalt Concrete Overlay, and Related Work., Borrow, Drainage Structures, Milling Asphalt Concrete, Pavement Patching, Pavement Widening, Asphalt Surface Treatment, Asphalt Concrete Overlay, and Related Work., Borrow, Milling Asphalt Concrete, Pavement Patching, Asphalt Concrete Overlay, and Related Work., Bridge, Clearing and Grubbing, Borrow, Drainage Structures, Milling Asphalt Pavement, In-Place Cement Stabilized Base Course, Asphalt Concrete Overlay, and Related Work., Clearing and Grubbing, Borrow, Milling Asphalt Pavement, In-Place Cement Treated Base Course, Asphalt Concrete Overlay, and Related Work., Clearing and Grubbing, Drainage Structures, Borrow, Milling Asphalt Concrete, Lime Treatment, In-Place Cement Treated Base Course, Asphalt Concrete Overlay, Loop Detectors, and Rel, Clearing and Grubbing, Drainage Structures, Borrow, Milling Asphalt Concrete, Pavement Patching, Asphalt Concrete Overlay, and Related Work., Clearing and Grubbing, Drainage Structures, Milling Asphalt Concrete, Pavement Patching, Asphalt Concrete Overlay, and Related Work., Clearing and Grubbing, Drainage Structures, Milling Asphalt Concrete, Pavement Patching, Pavement Widening, Asphalt Concrete Overlay, and Related Work., Clearing and Grubbing, Drainage Structures, Milling Asphalt Concrete, Subgrade Treatment, Asphalt Concrete Overlay, and Related Work., Clearing and Grubbing, Drainage Structures, Milling Asphalt Pavement, Pavement Patching, Roadway Reinforcing Mesh, Asphalt Concrete Pavement, and Related Work., Clearing and Grubbing, Grading, Drainage Structures, In-Place Cement Treated Base Course, Asphalt Surface Treatment, Asphalt Concrete Pavement, and Related Work., Clearing and Grubbing, Grading, Drainage Structures, Milling Asphalt Concrete, Pavement Patching, Asphalt Concrete Overlay, and Related Work., Clearing and Grubbing, Grading, Drainage Structures, Milling Asphalt Concrete, Pavement Patching, Class II Base Course, Asphalt Concrete Overlay, and Related Work., Clearing and Grubbing, Grading, Removal of Slab Span Bridges, Drainage Structures, Precast Concrete Piles, Slab Span Bridges, and Related Work., Clearing and Grubbing, Grading, Removal of Timber Bridge, Drainage Structures, Pavement Patching, Class II Base Course, Lime Treatment, Asphalt Concrete Pavement, Precast Concrete, Clearing and Grubbing, Milling Asphalt Concrete, Pavement Patching, Asphalt Concrete Overlay, and Related Work., Clearing and Grubbing, Milling Asphalt Concrete, Pavement Patching, Asphalt Concrete Overlay, and Related Work., Clearing and Grubbing, Removal of Bridge, Grading, Drainage Structures, Class II Base Course, Lime Treatment, Asphalt Concrete Pavement, Concrete Slab Span Bridge, Precast Concrete, Clearing and Grubbing, Removal of Bridge, Grading, Drainage Structures, Milling Asphalt Concrete, Pavement Patching, Class II Base Course, Lime Treatment, Asphalt Concrete Pavement, Clearing and Grubbing, Removal of Bridges, Grading, Drainage Structures, Pavement Patching, Class II Base Course, Lime Treatment, Asphalt Concrete Pavement, Concrete Slab Span Brid, Clearing and Grubbing, Removal of Concrete Bridge, Grading, Class II Base Course, Lime Treatment, Asphalt Concrete Pavement, Precast Concrete Piles, Concrete Slab Span Bridge, and, Clearing and Grubbing, Removal of Concrete Slab Bridge, Removal of Timber Bridge, Grading, Class II Base Course, Asphalt Concrete Pavement, Precast Concrete Piles, Concrete Slab Sp, Clearing and Grubbing, Removal of Concrete Slab Span Bridge, Grading, Milling Asphalt Concrete, Pavement Widening, Asphalt Concrete Pavement, Precast Concrete Piles, Concrete Slab, Clearing and Grubbing, Removal of Precast Bridges, Grading, Lime Treatment, Class II Base Course, Pavement Patching, Precast Concrete Piles, Concrete Slab Span Bridges, Asphalt Con, Clearing and Grubbing, Removal of Precast Concrete Slab Bridges, Grading, Drainage Structures, Pavement Patching, Class II Base Course, Lime Treatment, Asphalt Concrete Pavement,, Clearing and Grubbing, Removal of Slab Span Bridge & Timber Headwall, Grading, Drainage Structures, Milling Asphalt Concrete, Pavement Patching, Pavement Widening, Asphalt Concrete, Clearing and Grubbing, Removal of Timber Bridge, Grading, Class II Base Course, Steel Sheeting, Asphalt Concrete Pavement, Precast Concrete Piles, Concrete Slab Span Bridge, and R, Clearing and Grubbing, Removal of Timber Bridge, Grading, Drainage Structures, Class II Base Course, Lime Treatment, Asphalt Concrete Pavement, Precast Concrete Piles, Concrete Sla, Clearing and Grubbing, Removal of Timber Trestle Bridge, Grading, Drainage Structures, Milling Asphalt Concrete, Pavement Patching, Class II Base Course, Precast Concrete Piles, Sl, Clearing and Grubbing, Temporary Detour Bridge, Removal of Timber Bridge, Grading, Milling Asphalt Concrete, Pavement Patching, Asphalt Concrete Overlay, Precast Concrete Piles, Co, Construction, Drainage, Drainage Structures, Milling Asphalt Concrete, Pavement Patching, Asphalt Concrete Overlay, and Related Work., Drainage Structures, Milling Asphalt Concrete, Pavement Patching, In Place Cement Treated Base Course, Pavement Widening, Asphalt Surface Treatment, Geogrid, Asphalt Concrete Overl, Drainage Structures, Milling Asphalt Pavement, Lime Treatment, In-Place Cement Treated Base Course, Pavement Widening, Asphalt Concrete Overlay, and Related Work., Drainage Structures, Milling Asphalt Pavement, Pavement Patching, Asphalt Surface Treatment, Asphalt Concrete Overlay, and Related Work., Grading, Drainage Structures, Milling Asphalt Concrete, Removal of Existing Shoulder Underdrain Systems, Pavement Patching, Asphalt Concrete Overlay, Thin Asphalt Concrete (Ogfc),, Grading, In-Place Cement Treated Base Course, Asphalt Concrete Pavement, Milling Asphalt Pavement, and Related Work., Grading, Milling Asphalt Concrete, Pavement Patching, Class II Base Course, Asphalt Surface Treatment, Asphalt Concrete Overlay, and Related Work., Grading, Milling Asphalt Pavement, Pavement Patching, Drainage Structures, Class II Base Course, Lime Treatment, Fiberglass Reinforced Paving Mat, Asphalt Concrete Overlay, and Rel, Intelligent Transportation System, Grading, Drainage Structures, Class II Base Course, Asphalt Concrete Pavement, Portland Cement Concrete Pavement, and Related Work., MILL, BASE REHAB & OVERLAY, MILL, BASE STABILIZATION, AND OVERLAY, Milling, Milling Asphalt Concrete, Pavement Patching, Asphalt Concrete Overlay, and Related Work., Milling Asphalt Concrete, Pavement Patching, Curb Ramps, Asphalt Concrete Overlay, Drilled Shaft Foundations, Traffic Signalization, Signal Radar Vehicle Detection System, and Rela, Milling Asphalt Concrete, Pavement Patching, Drainage Structures, Asphalt Concrete Overlay, Asphalt Surface Treatment, and Related Work., Milling Asphalt Concrete, Pavement Patching, Pavement Widening, Asphalt Concrete Pavement, and Related Work., Overlay, PATCH & OVERLAY, PATCH MILL AND OVERLAY, PATCH MILL AND SINGLE LIFT OVERLAY, PATCH, COLD PLANE, AND OVERLAY, PATCH, MILL AND OVERLAY ASPHALT PAVEMENT AND PATCH JCP, PATCH, MILL, & OVERLAY, PATCH, MILL, OVERLAY, PATCH, MILL, OVERLAY & GUARDRAIL, Removal of Concrete Bridge, Grading, Class II Base Course, Lime Treatment, Asphalt Concrete Pavement, Precast Concrete Piles, Concrete Slab Span Bridge, and Related Work.

Geographies: Acadia, Allen, Allen, Jefferson Davis, Avoyelles, Avoyelles, Rapides, Beauregard, Bienville, Bossier, Caldwell, Catahoula, Concordia, East Baton Rouge, East Feliciana, Evangeline, Franklin, Grant, Iberville, Jackson, LaSalle, Lafayette, Lincoln, Livingston, Morehouse, Morehouse, Ouachita, Natchitoches, Ouachita, Pointe Coupee, Rapides, Richland, St. Landry, St. Martin, Tangipahoa, Tensas, Union, Vermilion, Vernon, Webster, West Carroll, West Feliciana, Winn

Active years: 2020, 2021, 2022, 2023, 2024, 2025, 2026

Volume is based on public bid records and does not represent total company revenue.

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Last updated September 17, 2026 with source data through September 9, 2026. See the methodology and data dictionary or report a correction.