Underground Utility Locating Services & Consulting
631-875-0339

Private Mark-Out, Inc.
Locating Underground Utilities Specialist
PMO Inc prides itself on working diligently, quickly and efficiently to locate any existing underground utilities in the area to prevent damage before excavation begins.
PMO Inc is a professional, private company that successfully works with their clients to help get them to the next step on their job.
PMO Inc's strong work ethic keeps us on the frontline of the locating world.
Thank you for stopping by to check us out!
Our Story
Since being established in 1990, Private Mark-Out, Inc. has been known for an unparalleled commitment to customer satisfaction. It’s this standard of excellence that has provided the impetus for us to grow into the business we are today.
Anthony Killeen, the President of PMO INC, has 35 years experience in the field of locating with 5 of those years as a One Call response locater for major utility companies such as: Lilco, Bell Atlantic & National Grid. PMO INC specializes in detecting existing underground utilities for survey and mapping purposes to protect from damage during excavation projects.
Veteran owned & operated. Private Mark-Out Inc is proud to represent the United States Army Airborne Unit.
Our Services
Private Mark-Out Inc. can locate any private utility lines such as primary electric, secondary electric, telephone, cable, drain, fiber optic, gas main, gas service, low voltage electrical, sewer, site lighting, water main, water service, generator, propane, oil, sprinkler control, vent, fire, steam and traffic control signal lines.
Images will be directly sent as soon as work is completed or can be included with the outgoing invoice. Updates will be given as needed.
Need a Proposal?
In your email, please make sure to include the client's name and exact location that requires services. Also, include any other important information that we need to know.





Contact Us
Private Mark-Out, Inc. is committed to exceeding your needs. Questions, comments or requesting a proposal? We’d love to hear from you, so don’t hesitate to reach out today.
P.O. Box 845 Shoreham, NY 11786
631-875-0339