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Midco Diving & Marine Services Midco Diving & Marine Services
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Trusted Commercial Diving Services Nationwide
Midco Diving & Marine Services is a diver-founded, family-owned commercial diving operation with decades of experience delivering specialized underwater solutions. Established to address complex industrial and municipal needs, our team of 30+ professionals includes certified divers, project managers, and engineers who execute projects nationwide. Headquartered in Rapid City, South Dakota, we maintain field offices in Denver and Phoenix to ensure rapid response times. Our expertise spans underwater construction, inspection, and maintenance in extreme conditions, including contaminated water, radiation zones, and high-altitude environments.

We prioritize safety, compliance, and client satisfaction, adhering to rigorous industry standards. With 24/7 dispatch capabilities and state-specific contractor licenses, we provide turnkey services tailored to unique client requirements. Our commitment to innovation and reliability has solidified our reputation as a leader in commercial diving services across the United States.
Services
Underwater Construction Potable Water Tank Services Remote Operated Vehicles (ROV) Marine Engineering Zebra Mussel Elimination Municipal Plant Maintenance
Highlights and features
  • We offer 24/7 emergency dispatch for urgent underwater needs.
  • Our team has nearly two decades of experience in extreme underwater conditions.
  • We maintain state-specific contractor licenses for compliance and credibility.
  • Our services span nationwide with strategically located field offices.
  • We employ certified divers and project managers for technical expertise.
Associations and certifications
  • CA General Contractor License #1003247
  • WA General Contractor License #MIDCODM825MT
  • AZ General Contractor License #ROC350559
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Services
Underwater Construction
Midco provides underwater construction services for industrial and municipal projects, including structural repairs and installations. Our certified divers and engineers execute complex tasks in challenging environments like contaminated water and high-altitude locations. With decades of experience, we ensure safe, compliant, and efficient project completion from design to execution.
Potable Water Tank Services
We specialize in potable water tank inspection, maintenance, and repair, ensuring compliance with safety and hygiene standards. Our team addresses issues like corrosion and structural damage in municipal and industrial water systems. With advanced diving techniques and equipment, we deliver reliable solutions for maintaining water infrastructure integrity.
Remote Operated Vehicles (ROV)
Midco utilizes remote-operated vehicles for underwater inspections and data collection in high-risk environments. This technology enables precise surveys and monitoring in zero-visibility or hazardous conditions. Our ROV services support project planning and maintenance decisions while minimizing diver exposure to danger.
Marine Engineering
Our marine engineering services include consultancy and support for underwater projects, from design to execution. We provide technical expertise for complex challenges like zebra mussel elimination and structural repairs. With a focus on innovation, we develop tailored solutions that meet industry standards and client specifications.
Zebra Mussel Elimination
Midco offers specialized zebra mussel elimination services to protect water infrastructure from invasive species. Using environmentally responsible methods, we remove mussels from tanks, pipelines, and marine structures. Our approach ensures compliance with ecological regulations while restoring system functionality and preventing long-term damage.
Questions
What services does Midco Diving & Marine Services offer?
We provide underwater construction, potable water tank maintenance, ROV inspections, marine engineering, and zebra mussel elimination services for industrial and municipal clients.
Are your services available nationwide?
Yes, we operate nationwide with field offices in Rapid City, SD; Denver, CO; and Phoenix, AZ, ensuring rapid response times.
Do you handle emergency diving projects?
Yes, our 24/7 dispatch hotline ensures immediate support for urgent underwater recovery or maintenance needs.
What safety standards do you follow?
We adhere to strict safety and compliance protocols, including state-specific contractor licenses and industry best practices for diver and client protection.
How experienced is your team?
Our team has nearly two decades of experience in extreme underwater conditions, with 30+ certified divers, engineers, and project managers.
Can you work in hazardous environments?
Yes, we specialize in high-risk conditions like radiation zones, contaminated water, and zero-visibility scenarios, using advanced techniques and equipment.
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