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Midco Diving & Marine Services, Inc. was incorporated in 2003; and has since expanded to employ 30+ full-time staff members, including divers, supervisors, and project managers, as well as sales and support staff. We're proud to be considered the most experienced and well-equipped commercial diving firm in the nation.

President / Owner

Robert Greenspan

Vice President / Owner

Heather Greenspan

Executive Assistant - HR and Recruiter

Lori Keller

Shop / Equipment Manager

Ivan Keller

Project Fulfillment Manager

Majda Ben Jdid


Lacy Gebes

Operations Manager

Rob Mclean

Regional Account Director

Carissa McDonald

Senior Regional Account Manager

Casey Bausell

Records and Reports Manager

Records and Reports Manager – Coming Soon!


At Midco Diving & Marine Services, we take on the toughest underwater conditions you can imagine. After nearly twenty years of commercial diving experience from underwater construction to municipal water tank repair – we’ve gone in where few others would even think. Highly contaminated water, confined work spaces, radiation, zero visibility, and high-altitude operations are all fair game. Whatever you’ve got in mind, we welcome the challenge.

Get in touch

Whether you're working through the details, or your deadline is set, we're interested in hearing from you. If you need to speak with us urgently, our dispatch line is staffed 24/7.

    CA General “A” Contractor License #1003247
    WA General Contractor License # MIDCODM825MT
    AZ General Contractor License # ROC350559


    We provide turnkey commercial diving services for unique industrial and municipal needs

    Our divers are experienced in underwater inspection, marine construction, repair projects, and so much more. From project design to execution and oversight, our staff of qualified and experienced project managers, DPICs, equipment operators, and certified commercial divers will complete your project safely, effectively, and efficiently. The scope of Midco’s commercial diving underwater service is substantial. Professional diving services include: