Over 50 Years As The Worldwide Leader In Commercial Diving

Company Timeline


UCC Founded

Underwater Construction Corporation (UCC) is founded by John Chiangi, Sr. and Stuart Leech.


Testing at Yankee Rowe Nuclear Plant

First Successful Radiological Dives

UCC divers complete radiological dives at the Yankee Rowe Nuclear Plant.


UCC Acquired by the Brand Companies

UCC is acquired by a publicly owned asbestos abatement company named The Brand Companies. The original founders leave.  Chiangi’s son, John, Jr., takes over as president of the company.


UCC Completes its First International Contract

UCC completes its first international project at a nuclear plant in Taiwan. As a result, UCC goes on to successfully complete several nuclear plant projects throughout Taiwan into the early 2000s.


UCC and its Parent Company Acquire Lakeshore Marine Establishing the Midwest Division, & Take on Two Massive Projects on Each Coast

UCC and its parent company acquire Lakeshore Marine located in Michigan. This allowed UCC to expand its operations to the Great Lakes region and service a host of new and existing clients, particularly one noteworthy customer located on Lake Michigan, which happens to be UCC’s longest running contract to date. UCC also takes on two massive projects in this year. The first is a re-rack project at a nuclear plant in California. The second is a marine construction project for Metro-North Commuter Railroad that involved the extensive rehabilitation of four railroad bridges in Connecticut. Both projects are a great success and help UCC gain substantial recognition in the nuclear and marine diving industry.

UCC 1998

UCC Develops Nuclear Underwater Coatings Program

UCC develops state-of-the-art methods and products that can withstand high levels of radiation and be applied underwater in nuclear plants. UCC completes its first project of this type.

reactor vessel

UCC Experiences Two Advancements in its Welding & Reactor Services Program

UCC completes its first safety-related welds at a Nuclear Plant in North Carolina and its first dryer cut-up at a nuclear site in Japan.

UCC barge on water

Three Long-time Employees Acquire UCC; Open Third Office in Tennessee

Formerly a public company, UCC is acquired by three standout employees who have worked many years as divers and in management roles. The new leadership team is comprised of John Lawton as President and CEO, and Michael Pellini and William Feeley as two vice presidents.

UCC also opens a new office in Soddy Daisy, Tennessee, to service the vast network of power producing facilities along the Tennessee Valley River System. This expansion into the south eventually accounts for 25% of the Company’s annual revenues.


UCC Experiences Record Growth; Wins More Opportunities in Japan

UCC performs dives at one of the largest nuclear facilities in the world. More than 30 divers work at the site in Japan for several months and the outcome of the project proves to be a tremendous success.


UCC Signs Joint Venture with Chinese Company QPOC

UCC signs joint venture with Chinese company QPOC providing training and development services. The relationship continues to this day.

Wisconsin Office

UCC Continues Expansion with New Wisconsin Office

UCC’s Michigan office expands its marine diving operations further west to Wisconsin.


President Lawton Retires; Raymond Palumbo Becomes President

Lawton retires from UCC after serving as its President and CEO for eighteen years. The two remaining owners, Pellini and Feeley remain as co-chairmen and promote the company’s Chief Financial Officer Raymond Palumbo, to the position of President and CEO.

UK decommissioning

UCC Enters UK Decommissioning Market

UCC is awarded a contract at a nuclear site in England leading UCC to open its first international subsidiary, Underwater Construction Corporation UK, Ltd.


UCC Pioneers the First Radiological Dives in the UK

UCC pioneers the first radiological dives in England, further establishing itself as an elite diving authority.

Evoqua Logo

UCC Forms Strategic Alliance with Evoqua

Evoqua Water Technologies and UCC team up. These two powerhouses are now set to deliver expert underwater service to the water power industry. This unprecedented alliance combines the intake innovation of Evoqua with the elite diving capabilities of UCC to form an unparalleled service offering.


UCC Wins NDA Award for Best Technical Innovation

Underwater Construction Corporation UK, Ltd. enters the UK’s Nuclear Decommissioning Authority Annual Awards competition and wins ‘Highly Commended’ for The Best Technical Innovation to Benefit a Site License Company.


UCC Celebrates 50 Years of Commercial Diving and Marine Construction

Underwater Construction Corporation is celebrating its 50th anniversary this year. Founded in 1969 by John Chiangi, Sr. and Stuart Leech, UCC has grown to be the largest inland commercial diving firm in the United States.


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