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B
- Baker Corp
- Barber Brothers Contracting Co LLC
- Barnes Electric
- Barriere Construction Co LLC
- BASF Corporation
- BASF - Zachary
- Batiment LLC
- Baton Rouge Area Chamber
- Baton Rouge Community College
- Baton Rouge Metropolitan Airport District
- Baton Rouge Printing
- Bayco Products
- Bayou Fabricators & Machine Works, Inc
- Bayou Industrial Sales LLC
- BBP
- Beaed of Louisiana
- Beard Construction Group LLC
- BEI Engineers
- Belco Industrial Services LLC
- Bendel Tank and Heat Exchanger
- Bengal Crane & Rigging
- Berard Transportation
- Bernhard MCC
- Bernuchaux Contractor Inc
- Bertha’s Catering, Inc
- Best Western Plus Executive Hotel & Suites
- Beton LLC
- B & G Crane Service LLC
- B & H Distributors Inc
- BIC Alliance
- BIGGE Crane
- BioLab Inc, A KIK Company
- Bison Specialty Services, LLC
- Block Construction LLC
- Blue Flash Express Inc/Agway Systems
- BobbyJack Pipe Lifts LLC
- Boh Bros Construction Co LLC
- BOSSltg Inc
- Bottom Line Equipment LLC
- Brace Integrated Services
- Bradley Murchison Kelly & Shea LLC
- Brandenburg Industrial Service Company
- Brand Energy & Infrastructure Services
- Brask Inc
- Braun Intertec Corporation
- Breaux Petroleum Products
- Breazeale, Sachse & Wilson, LLP
- Briggs Equipment
- The Brock Group
- Brown-Eagle
- Brown Industrial Construction
- Brown & Root Companies
- Buffalo Electric Inc
- Builders Equipment & Tool Company
- Burland & Maloy LLC
- Burrow Global Services LLC
- Business Health Partners