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Onshore Companies comprises four industrial companies: Onshore Construction Company, LLC is a full-service, commercial general contractor. Onshore Materials, LLC develops tailor-made solutions for heavy civil construction, materials, environmental and levee projects. Shallow Water Equipment provides quality services and equipment to meet the needs of oilfield, pipeline, marine and marsh construction projects. Four-Aces Logistics, LLC can haul the biggest equipment allowed on the road. Four-Aces is an interstate carrier with a fleet of trucks and vans for general freight, machinery, and large objects.
Brewster Companies is a family-owned and operated business that specializes in land clearing, demolition, site preparation, and erosion control for heavy construction projects in the St. Louis Metropolitan area.
ISG has a rich history that extends more than 49 years, of building trusting relationships with clients, stakeholders, and the community. As a multi-disciplinary firm that is 100 percent owned by employees, ISG serves numerous markets and fosters strong collaboration between all disciplines providing clients a diverse knowledge base, high level of creativity, and broad perspective.
STV is a leading, award-winning professional firm offering engineering, architectural, planning, environmental and construction management services. We consistently rank among the country`s top 25 firms in education, corrections, highways, bridges, rail and mass transit. Throughout the United States and in Canada, STV`s professional, technical and support personnel offer services to a broad and ever-expanding client base. We provide planning, environmental, design, program and construction management, and specialty services for the transportation, design-build, institutional and commercial building, advanced technology, industrial and defense markets.