01
CCTV Inspection
Mainline, lateral, and manhole inspections performed by PACP/MACP/LACP-certified professionals using industry-leading equipment.
Field capability. Engineering insight.
Sewer inspection, cleaning & infrastructure intelligence.
GNF helps municipalities and engineering teams understand, maintain, and protect critical water and wastewater assets—from the field investigation to the final deliverable.
Since 1990Louisiana-focused service
PACP / MACP / LACPNASSCO-certified personnel
Field + DataActionable project deliverables
Core services
Built for the work below the surface.
Specialized crews, purpose-built equipment, and consistent inspection data for public infrastructure projects.
02
Pipe Cleaning
High-pressure jetting and vacuum removal of grease, rags, sediment, debris, and other obstructions from sanitary and storm systems.
03
Lift Station Cleaning
Experienced cleaning and inspection that helps critical lift station assets operate reliably and reduces the risk of costly emergencies.
04
Hydro Excavation
Safe, controlled exposure of underground utilities for water-main breaks, sewer repairs, and utility locating.
05
Off-Road Access
UTV-mounted cameras, easement jetters, and remote hose capability for difficult-to-reach pipes and manholes.
06
I&I Investigation
Smoke testing, dye testing, camera detection, sewer locating, crossbore detection, and condition-focused field investigation.
Additional capability
3D manhole modeling · GIS mapping · filter media removal · sludge removal · grant management
Technology & innovation
More than an inspection.
Actionable infrastructure data.
GNF connects field observations, visual records, asset data, and project-ready deliverables so engineering teams can make better decisions.
GNF 3D asset visualization
Spatial documentation
3D Manhole Modeling
Clear visual documentation for condition assessment, rehabilitation planning, and engineering design.
- Geometry and condition context
- Engineering-ready reference
- Repeatable asset documentation
Project workflow
From field work to a usable record.
- 01
Collect
Prepare assets, access, and project requirements.
- 02
Inspect
Capture consistent field observations and visual records.
- 03
Analyze
Review conditions, defects, and maintenance needs.
- 04
Map
Connect findings to the correct infrastructure assets.
- 05
Deliver
Provide organized data for design and decision-making.
Field-proven capabilityEquipment and access for demanding project conditions
Why GNF
Experience that understands both the field and the project.
GNF combines decades of municipal experience with engineering perspective, specialized equipment, and disciplined inspection practices.
Municipal experience
Serving Louisiana clients since 1990 with a practical understanding of public infrastructure and funding requirements.
Certified inspection personnel
Current PACP/MACP/LACP credentials support consistent, standards-based condition data.
Engineering perspective
Field observations are organized with design, rehabilitation, and project delivery in mind.
Hard-to-reach capability
Off-road and remote-access equipment keeps difficult assets within the project scope.
Leadership
People who know the work.
Direct project involvement from experienced leadership with municipal, engineering, and field operations backgrounds.
President
Gary N. Fontana
Gary has led GNF since its founding in 1990, bringing more than three decades of experience in municipal infrastructure, project development, field operations, and client service. He oversees day-to-day company operations and works closely with municipalities and engineering teams to develop practical solutions for municipal infrastructure projects. His experience also includes business development and grant-funding assistance, helping clients move projects from early planning through implementation.
- NASSCO
- P0051203-112024
Project Manager
Custer L. Fontana, EIT
Custer combines engineering knowledge with hands-on field experience in sewer inspection, cleaning, asset management, GIS, and infrastructure technology. He leads GNF’s efforts to integrate field operations with data-driven inspection, mapping, and deliverables for municipal and engineering clients.
- LAPELS
- EI.0034604
- NASSCO
- P0051267-112024
- OSHA 10
- 26-007713637
Start a conversation
Let’s discuss your infrastructure needs.
Tell us about the system, project, or field challenge. GNF will follow up to understand the scope and next steps.
GNF Management Company, Inc.P.O. Box 5817Bossier City, LA 71171
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