December 4 - 6, 2019 | New Orleans, LA

Shearer Group, Inc. (The)

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3118 Harrisburg Blvd.
Suite 100
Houston , TX 77003
United States
Booth #2551

Shearer Group, Inc. (The)

The Shearer Group, Inc. (TSGI) located in Houston, Texas, is the global leader for design of inland towboats and barges. We have a rich history of providing naval architecture, marine engineering and marine surveying services to the marine industry, with a focus on the inland sector. Inland barges built to our designs number in the thousands, along with a myriad of towboat, dry dock and other specialty designs. Further, we are proud to be one of the only naval architecture and marine engineering members of The American Waterways Operators and Passenger Vessel Association. TSGI has certifications for; AWO-RCP auditors, American Waterways Operators, and National Association of Marine Surveyors (NAMS). TSGI is certified to inspect and certify Marine Cargo Gear and we are Professional Engineers. We use state of the art computer modeling and design tools in concert with time honored design practices to develop innovative and functional designs that meet our customer’s diverse requirements. Let TSGI make your next project a reality.

Products & Services


Marine Surveying

TSGI offers marine surveying and construction oversight to vessel owners, charters,and operators. This provides TSGI with a comprehensive picture of a client’s operation, and allows us to deliver on their specific needs and desires. These services can be in support of new construction projects, modifications,regularly scheduled dry docks or more comprehensive maintenance periods. TSGI also offers the following surveys: condition and valuation, trip and tow, and damage assessment. Satisfied TSGI clients understand the value of having one cohesive team that includes naval architects, marine engineers and marine surveyors, accomplish all of these phases of vessel creation and operation.      

Naval Architecture & Marine Engineering

TSGI offers design services from the conceptual design through the detail design and shipyard support. Some of TSGI’s design services include but are not limited to hull design, structural design and analysis, stability analysis, 3-D Structural design, and weight estimating. TSGI’s marine engineering practice focuses on the design of new vessels, repowering’s and mechanical and electrical upgrades. TSGI has been a key participant in the revolutionary changes to the inland waterways industry, including developing the design for the first Z drive towboats, the largest Z Drive towboats, diesel electric towboats, and the first LNG powered towboats. TSGI works with its clients to understand the needs and requirements of each client, and designs vessels specifically to meet those needs, whether Z drive or conventional. 

SCF 6,600 HP Z-Drive Towboats

TSGI was contracted by SCF Marine to design a 6,600 HP triple screw z-drive towboat. All three vessels were built and delivered and are in service on the inland rivers for SCF Marine. They are the largest z-drive towboats on the inland waterway. C&C Marine & Repair is currently building a 4th 6,600 HP triple z-drive towboat for SCF Marine from this design.

TxDOT Ferry Design & Construction Oversight

TSGI was tasked by the Texas Department of Transportation (TxDOT) to provide design, engineering and construction oversight services for a new 495 passenger, 70 car diesel-electric with energy storage ferry to provide service from Galveston Island to Bolivar Peninsula. The vessel features Voith Schneider cycloidal propellers and diesel electric power generation with 1.4MWhr of energy storage provided by Siemens using the BlueDrive PlusC. Construction on the vessel has commenced with TSGI provided full construction oversight for TxDOT. 

2,400 HP Triple Screw Towboat

TSGI was contracted by a vessel operator to provide design engineering services for a new triple screw 79’ x 33’ Subchapter M towboat. Vessel design incorporated three Tier 3 engines rated at 800 HP along with conventional shafted propulsion. Vessel design services included Subchapter M certifications for the vessel design.

1,600 HP Inland Towboat

TSGI was contracted by a vessel operator to provide the detail design of a new 70’ x 26’ Subchapter M towboat. The boat features a retractable pilothouse and 2 x 800 HP Mitsubishi engines. Vessel design services included Subchapter M certifications for the vessel design.

1,350 HP Inland Towboat

TSGI was contracted by a shipyard to provide detail design engineering services for the construction of a new 1350 HP 65’ x 24’ retractable pilothouse towboat. Vessel design services included Subchapter M certifications for the vessel design.

Marine Fueling Bunker Barge

TSGI was contracted by Marine Fueling Services,Inc. for the design of a bunker barge. Barge is 130’ x 35’ x 10’ and combines above and below deck tank storage to provide bunkering services for fuel, lube oils, DEF, and fresh water. Vessel construction was completed in 2019. 

30,000 BBL Double Skin Tank Barges

TSGI was contracted by LeBeouf Towing to design a 297’ x 54’ x 12’, 30,000 BBL double skin tank barge.Two (2) barges were built from this design. GONSOULIN 552 and GONSOULIN 553 were built at Bourg Dry Dock in Bourg, LA. This design was based on a previous design we had done for LeBeouf back in 2015. Both barges will be used for service on the inland waterways to transport grade A and lower chemical cargos. The barges were delivered in 2019.  

2000yd Dump Scow

TSGI was contracted by marine construction company for the design of a 200’ x 44’ 2000yd. dump scow for operation on the East Coast. Vessel to utilize four (4) hydraulic cylinders to provide the open and closing operations. The barge was designed to ABS Rules for Steel Vessels, Ocean Service with Load Line, Class A-1 Maltese Cross.

Naval Architects / Marine Engineers

  • Naval Architects


  • Surveyors
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