ZGL Engineering Services, Inc.
21802 E QUINCY CIRCLE | AURORA, COLORADO 80015 | 720-216-2288

About ZGL Engineering


ZGL Engineering Services, Inc. services the civil, architectural and construction industries with Civil Site, Infrastructure, utilities and Mining & Reclamation CAD Design and Construction Field Services Support. Our clientele consists of builders, developers, engineers, surveyors and State, City, County and State Municipalities.

“Our P’s and Q’s are covered”
Professional, Personable, Precise
Quality Experience, Quality Commitment, Quality Assurance



Our Mission


To provide our valued clients with the highest quality service in Engineering CADD, Construction Field, and other related professional engineering services.

Our core values of quality engineering and client satisfaction include:
  • Continuously improving our standard of service through clear and responsive communication.
  • Utilizing state of the art technology and new interventions for the development of tomorrow, together with quality experience, quality commitment and quality assurance we will provide precise, professional and personable service.
  • Cultivating long term relationships with our clients by striving for a higher standard of integrity by dealing fairly and openly with our clients.
  • Serving our valued construction clients with proficient services and support to make certain complete success of the project.


Our Technology


  • Currently running ACAD 2020 Civil 3D, MicroStation and supporting software for all of your land development and reclamation needs
  • Stormwater: HydroCAD, HydroCalc, Flowmaster, StormCAD, Autodesk Storm and Sanitary Analysis 2015
  • Productivity: Microsoft Office 365, MS Project, Adobe Acrobat
  • Sharing and project management software: Bentley ProjectWise and Autodesk Buzzsaw

Our Certifications


  • City and County of Denver (CCD) EBE, DBE, SBE, MWBE
  • Colorado Department of Transportation (CDOT) ESB, DBE
  • Small Business Administration WOSB, EDWOSB (Women Owned Small Business, Economically Disadvantaged Woman Owned Small Business)
  • National Minority Supplier Development Council - Minority Business Enterprise (MBE)
    • Southwest Minority Supplier Development Council (SMSDC) Austin, El Paso, New Mexico, San Antonio, Oklahoma
    • Dallas / Ft Worth Minority Supplier Development Council (Dallas/Ft Worth MSDC) Dallas and Ft Worth Texas

Our Registrations


  • SAM.gov
  • NAICS (North American Industry Classification System) Code (S): 238290; 238990; 541330; 541340; 561730; 561990
  • PSC (Product Service Code) Code: C211; C212; C1NC
  • NIGP (National Institute of Governmental Purchasing) Code (S): 90738; 92517; 92528; 92533; 92538; 92555; 92558; 92561; 92586; 92593; 92595; 92597; 96145; 96847; 98814


Our Affiliations


National Association of Professional Women/Zoe Grant
American Society of Civil Engineers
National Society of Black Engineers
US Green Building Council Colorado

ZGL Engineering Services, Inc. would like to share several of our favorite site.

American Society of Civil Engineers
Society of Women Engineers
National Society of Black Engineers
National Association Parliamentarians
National Association of Professional Women
American Association of State Highway Transportation Officials
Colorado Black Chamber of Commerce
US Green Building Council Colorado
City and County of Denver
City of Aurora