About C-N-I Locates Ltd.

Read Customer Reviews & Testimonials, or Leave us a Review.


Debye Thoms-Gasser, Vice President & Larry Gasser, President

Debye Thoms-Gasser, Vice President & Larry Gasser, President
About Larry & Debye (PDF)

C-N-I Locates is an Underground Utility Detection & Inspection Service Company in Washington state, specializing in an array of services that we believe are specifically tailored to suit your needs, from Utility Design Surveys to identification of Public and Privately owned utilities. Our technicians possess all of the qualifications necessary, averaging over 15 years in this field of work. Each of them hand picked and selected for their own special attributes, to be part of a collaborative team bringing a new meaning to the phrase “Underground Utility Detection & Inspection Services”.


C-N-I Locates has 25 staff members, with 20 of those being field Technicians. We operate 20 service trucks and vans that dispatch from Seattle, Tacoma & Renton.


Services include but not limited to, concrete & structural imaging, utility design surveys, identify and field mark public and privately owned metallic and non-metallic utilities, identify leaks, blockages and electronic faults, investigate utility damages and provide professional representation, consulting services, identify potential utility conflicts and coordinate relocations, complete project and route inspections and provide stand-by protection. We are on-call 24/7, 365 days a year.


CNI Locates can perform detection and inspection services for the following types of properties and locations.

  • Apartments & Condominiums
  • Bridge
  • Bulk Refinery Terminal
  • Cell Site
  • Cemetery
  • Commercial Business
  • Empty Lot
  • Factory
  • Gas Station
  • Government Building
  • Hospital
  • Inside Building
  • K-12 School / College / University
  • Manufacturer Facility
  • Military Facility
  • Non-Residential Building
  • Office Building
  • Park / Playground
  • Parking Lot
  • Pipeline Facility
  • Power Plant
  • Residential
  • Restaurant
  • Retail Store
  • Road / Highway
  • Sewer Waste Water Treatment
  • Utilities
  • Warehouse

In addressing our experience with works of this nature and scope, we’ve been providing these exact turn key services to the following types of people, organizations and more, with the capacity to meet every challenge we’re presented with to date;

  • Utility Companies
  • Municipalities, State & Federal Governments
  • Engineers & Engineering Firms
  • General Contractors & Sub-Contractors
  • Property Developers
  • Commercial & Private Property Owners
  • Facility & Property Managers (Commercial & Residential)
  • Insurance Adjusters
  • Plumbers
  • Electricians
  • More…


We can provide upon request and as needed our Certificate of Liability Insurance (COI), EMR Worker’s Comp experience factors and history, and CNI’s W-9 Form. We are happy to provide any company information, email our accounting department with any requests at [email protected].


Please see our utility service list. Should you ever need to draw on any of our professional services, our hope is that you will consider C-N-I Locates, Ltd. as a competent service provider in the Seattle-Tacoma-Everett metro area and Western Washington.


Thank you for visiting our site and your interest in our firm. We pride ourselves on being specialty service providers in the Private and Commercial sector and would only approach each task if we were certain we could provide you with a complete team of personnel required to address your needs.


We look forward to working with you in the near future. If you should you have any questions, please feel free to contact us.


larry gasser cni locates ltd in washington




Department Heads

Larry Gasser, President
Larry Gasser is President and Co-Owner of C-N-I Locates, Ltd. Larry is in charge of daily operations, providing complete Contract Management, Dispatch and Client Services. He is responsible for the activities of field supervisors and technicians. Duties include; bid preparation, project management and negotiations of change orders. Additionally, Mr. Gasser is active in Customer Relations and Business development, with over 30+ years’ experience in Underground Utility Detection and Inspection Services. Larry has been instrumental in the design and application of locating technologies and has provided turnkey services for Federal, State, Municipal and Private projects in the region.