Bill Kilgannon, Jr. and Bill Kilgannon, Sr.ShayCore was founded in May 2008 and has since established a reputation that aligns with our core values of compassion, service and excellence. When founders Bill Kilgannon, Jr. and Bill Kilgannon, Sr. experienced rapid growth in the Jacksonville market and in 2010, they brought on David Monk, a local construction expert, to solidify a trio of principals with 50+ years of experience to handle projects across our three industries. We strive to seamlessly coordinate the construction process with architects, engineers, real estate agents and brokers, insurance adjusters, loan officers, municipalities and subcontractors to make projects easy for our clients.



  • Associated Builders and Contractors Excellence in Construction Awards: Eagle Award for the AAFES Conveyor Retrofit Project in Waco, TX
  • Associated Builders and Contractors Excellence in Construction Awards: Pyramid Award for the Celebration Church Arena in Jacksonville, FL
  • Governor Rick Scott presented ShayCore with the Business Ambassador Award for Northeast Florida 2014
  • Jacksonville Business Journal: 2013 4th fastest growing company in Northeast Florida
  • Jacksonville Business Journal: 2012 3rd fastest growing company in Northeast Florida
  • Florida Business Journal Fast 100 6th fastest growing company in the state of Florida
  • Inc. Magazine: 2012 Inc. 500 361st fastest growing company in the U.S.
  • Inc. Magazine: 2013 Inc. 500 264th fastest growing company in the U.S.
  • Florida Trend: 2012 finalist for “Companies to Watch” list
  • Florida Trend: 2013 Florida Companies to Watch Award Recipient
  • Buzz Magazine: Bill Jr. awarded “Top 30 Under 30”
  • Jacksonville Business Journal: Bill Jr. awarded “Top 40 Under 40”

Our Team

The ShayCore staff is comprised of a team of construction managers and office staff that excel in delivering your project on time and under budget. They utilize our highly skilled and courteous in-house building team and our extensive subcontractor base to provide our clients with the highest quality final product available. The key to our success lies in our commitment to developing a company culture where our foundation is based on compassion, service and excellence. With a team dedicated to not only adhering to our ideals but helping to foster the culture themselves, we deliver a quality product safely, timely and under budget.


David B. Monk

David brings sixteen plus years of experience with Commercial, Industrial and Residential construction on a national scale. His intimate knowledge of all trades, building standards and engineering best practices make him a critical asset in ensuring the highest level of construction quality available. David takes an active management role in each project to be certain that our clients receive a magnificent final product, delivered on time and within budget. As a nationally recognized LEED GA and licensed General Contractor in multiple states, David’s responsibilities include estimating, and managing ShayCore’s labor force and subcontractor base.


William P. Kilgannon

William F. Kilgannon

William Kilgannon led an esteemed career in New York City, adding to both the NYC and Boston skylines, before coming to Florida to head the Industrial division of a national General Contracting company. Bill’s primary focus at ShayCore is on new business development in the Industrial and Commercial divisions. He also oversees the project management all Industrial and large Commercial projects. William’s ability to lead combined with his extensive construction experience has continued to drive ShayCore forward with new and exciting projects.


William P. Kilgannon

William P. Kilgannon

After graduating from Bentley University, Bill Jr. came to Florida to manage multiple construction companies, operating both locally and nationally. As ShayCore’s Chief Executive Officer, Bill Jr. is responsible for overseeing all daily business operations, including Marketing, Human Resources, Accounting, Financial Analysis and Risk Analysis. Bill Jr. also excels in business development and identifying new market opportunities for ShayCore to pursue.

Jacksonville Business Journal Fastest 50

Each year, the Jacksonville Business Journal accepts nominations from private companies from all over Northeast Florida for its 50 Fastest Growing Companies (BJ50) awards. Ranking is based on the company’s percentage of annual growth over the three-year period. Awards were given out at a luncheon event at Everbank Field’s Touchdown Club on July 18th and […]

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ShayCore completed a renovation for our building, meeting all projected completion dates and also worked within a very limited budget.
Carlos Bosque,
Director of IHOP-Jax

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