Bdi, Inc in Birmingham, AL offers Electrical services in the Birmingham area. Phase 4 Contracting LLC is named for the fact that most subdivisions in their area over the last 30 years were typically built in 3 phases over a period of time. Phase 4 Contracting LLC utilizes a quality program built on feedback from their customers. Phase 4 Contracting specializes in all types of roofing installation, including steel roofs, metal roofs, flat roofs, shingle roofs and most complex commercial roofing projects.