Roof Registration Lic. 17-003605
Class 'A' General Contractor 2020-9013
10,000+ Customers Have Trusted Shamrock Since 1977
Don't Rely on Luck With Your Roof

Fed Contractors

Shamrock Hills LLC. is a woman-owned small business specializing in federal contracts.

Our senior consulting associate, Bryan Dolinar, has over 20 years of experience negotiating and executing federal contracts. He has completed more than 250 projects that value well over $300,000,000. 

Aside from government construction projects, over the past 25 years we have completed construction contracts that exceed the $15,000,000 mark. 

When it comes to completing a job and doing whatever is necessary to meet the demands of the contract, we are experts at it. 

Senior Consulting Associate Bryan Dolinar

Bryan is the senior estimator and project manager at Shamrock Hills LLC. Bryan has been involved in commercial and residential construction since 1993. Bryan has worked on and completed hundreds of contracts in the construction industry.

Core Values

We do our best to instill moral excellence and integrity into everything we do. Without regard for the magnitude in the scope of work, clear, transparent communication is the hallmark of our company.

Why Shamrock?

  1. We consider all we do to be a public service, requiring employe laws, and the laws and ethical principles above private gain.
  2. Employees shall not hold financial interests that conflict with the conscientious performance of duty.
  3. An employee shall not, except as permitted … solicit or accept any gift or other items of monetary value from any person or entity seeking official action from, doing business with, or conducting activities regulated by the employee’s agency, or whose interests may be substantially affected by the performance or nonperformance of the employee’s duties.
  4. Employees shall put forth honest effort in the performance of their duties.
  5. Employees shall not knowingly make unauthorized commitments or promises of any kind purporting to bind the Government.
  6. Employees shall protect and conserve Federal property and shall not use it for other than authorized activities.
  7. Employees shall endeavor to avoid any actions creating the appearance that they are violating the law or these ethical standards.


  • Water and Sewer Line and Related Structures Construction
  • Other Heavy and Civil Engineering Construction
  • Oil and Gas Pipeline and Related Structures Construction
  • Power and Communication Line and Related Structures Construction
  • Highway, Street, and Bridge Construction
  • Commercial and Institutional Building Construction
  • New Multifamily Housing Construction (except For-Sale Builders)
  • New Single-Family Housing Construction (except For-Sale Builders)
  • Industrial Building Construction
  • Surveying and Mapping (except Geophysical) Services
  • New Housing For-Sale Builders
  • Residential Remodelers
  • Other Community Housing Services
  • Poured Concrete Foundation and Structure Contractors
  • Finish Carpentry Contractors
  • Masonry Contractors
  • Landscaping Services
  • Engineering Services
  • Other Foundation, Structure, and Building Exterior Contractors
  • Structural Steel and Precast Concrete Contractors
  • Electrical Contractors and Other Wiring Installation Contractors
  • Framing Contractors
  • Tile and Terrazzo Contractors
  • Site Preparation Contractors
  • Other Building Finishing Contractors
  • Glass and Glazing Contractors
  • Painting and Wall Covering Contractors
  • Plumbing, Heating, and Air-Conditioning Contractors
  • Drywall and Insulation Contractors
  • Flooring Contractors
  • Roofing Contractors
  • Commercial and Institutional Building Construction
  • Siding Contractors

Building Expertise

  • Agricultural
  • Aviation/Transportation
  • Education
  • Entertainment
  • Government
  • Green Building
  • Healthcare
  • Hospitality
  • Historic Restoration
  • Infrastructure
  • Interiors
  • Industrial / Manufacturing
  • Military
  • Multi-family & High Rise
  • Offices
  • Pharmaceutical
  • Public Facilities
  • Parking Structures
  • Religious