At SIT, we stand behind those who dedicate their lives to protecting others. We understand the rigorous requirements to supply to military operations, and our team is experienced and knowledgeable in working with defense contracts. SIT is able to provide detailed specification requirements, meet comprehensive audit requirements and supply systems that pass demanding field testing.

  • Shell Closures & Ramps
  • Davits
  • Stern Gates
  • Central Hydraulic Power Systems

Ballast & Hydraulic Controls

Military Ramps / Gangways

Hydraulic Power Unit


Shell Door and Davit

Stern Gate

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Office Hours

8:00 am – 5:00 pm CST



Corporate Headquarters
915 Distributors Row Harahan, LA 70123
Houston Manufacturing
12311 Cutten Rd. Houston, TX 77066