Our core value at PWC is integrity. We strive to develop and foster long term business relationships with our customers founded on mutual collaboration and trust.
Founded in 2014, PWC's market niche is to serve as a self-performing general contractor specializing in water and wastewater construction. Over time, PWC has become a recognized leader for the construction and renovation of water and wastewater treatment, storage, pumping and conveyance facilities.
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A Recognized Leader in Water and Wastewater Infrastructure

Public Works Constructors, LLC (PWC,LLC.) was founded in 2014 by Mr. Daniel Weiss, the Owner of Weiss Construction. The company was founded in response to the economic downturn in the upper Midwest as a means to diversify and expand into other geographical areas.

Kevin Markhardt joined the company a few years later and with Dan they began building the PWC operations in South Florida and Nebraska. With offices in Fort Meyers, Florida, and Ashton Nebraska, PWC currently has over 70 million dollars of water and waste construction projects in backlog and on the books. With a dedicated staff of project managers, estimators, engineers, superintendents and office support staff, PWC's mission is to continue its market growth and eventually become a recognized leader in water and wastewater construction services.

We Design and Construct Systems for:

  • Water Conservation
  • Reservoirs
  • Water Treatment Plants
  • Wastewater Treatment Plants
  • Reinforced Concrete Structures
  • Solids Handling
  • Pumping Stations
  • Chemical and Process Piping
  • Rehabilitation and Improvement Projects
  • All Forms of Municipal Infrastructure

Our Culture


We are not your typical jack of all trades general contractor that builds a school or automotive plant one day and a treatment plant the next. Water and wastewater related infrastructure is all we do. By focusing on a specific market niche, we have become very good at what we do. Our team of engineers and construction managers are all seasoned professionals with careers that have been focused entirely on “all things water and wastewater related."

PWC takes enormous pride in its commitment to excellence for the quality of our work, the high degree of customer satisfaction we achieve, and the strong business relationships we have successfully developed with our clients.

Our Leadership

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Dan Weiss 


Dan is one of three generations in the business. He grew up in the industry, doing such as driving bulldozers and working in the field with tradespeople in his early years and working with his tools, installing heavy equipment for various companies in multiple states.  Later supplementing that with a substantial formal education in Business and Law, followed by work experiences as a Project Manager for clients such as The US Army Corps of Engineers in Florida, to various Cities Municipalities and other governmental agencies. Currently, Dan provides leadership to help lead the team through adversities to success with the ability to deliver high quality projects to  completion- safely, on time, and economically.

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Kevin Markhardt

Vice President

Kevin is responsible for providing strategic leadership and vision to Weiss and PWC. He plays a key role in developing new business opportunities and gaining competitive advantages. He has formulated long term strategic positions in the areas of construction bids and business expansion. He has responsibilities for day to day operations of both firms profit and loss management. Leads the construction team with skills that create trust, respect, and comrade. Kevin is a 1987 graduate of Iowa State University in Construction/Civil Engineering, and he has over 30 years of construction experience in all disciplines. He holds certifications in LEED and DBIA.

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Pat Baker

Midwest Area Manager

As Midwest Area Manager Pat has been working on establishing our presence in the Midwest, pursuing water/wastewater, pipeline, and bio-gas projects.  With 29 years of construction experience, he has been with Weiss/PWC since 2017 as an employee and he had been working as an estimating consultant for Weiss/PWC for a year prior.  Pat started out as a laborer in 1990 and has held every title associated with the field and office as he worked his way through the ranks.  He was the GM for his dad’s construction company from 2005 through his father’s passing in 2010.  Pat has estimated and managed projects ranging in size from $500k to $100M with the majority of these projects being water/wastewater treatment or conveyance systems.  He has been our lead into the bio-gas industry throughout the US and Canada as well as pursuing construction projects throughout the Midwest region of the United States. Pat got his bachelor's degree in Construction Management from Nebraska University.

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Brett Carner

South Florida Area Manager

Brett joined PWC in 2016 and was one of the key personnel involved in the startup of the Florida office. He began his career in the heavy highway construction field in the Washington DC area in 1989, and within 4 years had transitioned solely over to Water and Wastewater Plant utility and improvement projects. Prior to joining Weiss, he worked as a Senior Project Manager, and had the opportunity to construct some of the largest treatment plant expansions on the East Coast ranging from Maryland to South Florida.  As the Area Manager, he is responsible for each project team’s effort to maintain project productivity, profit, and safety and maintain operational goals for the South Florida Office. His previous experience has helped PWC team up with partners for future and present Design Build Opportunities currently in Florida. Brett received a degree in Mechanical Engineering from SUNY Binghamton.