Donaldson Garrett & Associates

Name

Donaldson Garrett & Associates

Legal name

Donaldson, Garrett & Associates, Inc.

Website

https://dg-a.com

Company type

Private

Founded year

1991

Operating status

Acquired

Headcount range

11–50 employees

Ownership category

akta.pro rank

Product category

Land Surveying Services

NAICS

Surveying and Mapping (except Geophysical) Services (541370), Surveying and Mapping (except Geophysical) Services (54137), Geophysical Surveying and Mapping Services (541360)

SIC

Services-Engineering, Accounting, Research, Management (8700)

akta.pro primary industry

Timberland GIS, Remote Sensing & Data Analytics (AFAMAKAG)

akta.pro secondary industry

Remote Sensing & GIS Timber Measurement Services (AFAMAIAI)

Keywords

• Land surveying services
• Utility corridor mapping
• Geospatial data collection
• Boundary determination
• Subsurface utility engineering

Headquarters

HQ city

Macon

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales

Core offering

Donaldson, Garrett & Associates is a Georgia-based land surveying firm delivering precise geospatial measurements, boundary determinations, and topographic mapping for commercial development, utility corridor planning, and local government infrastructure projects. Its service portfolio includes land surveying, aerial mapping, GIS, BIM/3D laser scanning, construction monitoring, subsurface utility engineering, and utility coordination, now operating as part of SAM's Managed Geospatial Services platform.

Product overview

Donaldson Garrett & Associates (DG&A), now part of SAM, operates as a land surveying firm integrated into SAM's broader Managed Geospatial Services™ platform. The combined offering includes core surveying and mapping services (land surveying, aerial mapping, GIS, BIM/3D laser scanning, construction monitoring) and inspection services (damage prevention, engineering inspection, power line inspection, FAC-008 solutions). These foundational services are enhanced by digital and data solutions including Analytics & AI Enablement, Geospatial Utility Network Management, Network Model Management, CIM-based data modeling, Inspection Management & Analysis, Disaster Response, Spatial Data Integration & Visualisation, and Substation Digital Twin. The portfolio serves utilities, electric power, renewables, gas distribution, telecommunications, data centers, water, transportation, government, commercial & industrial, natural resources, and oil & gas markets across the southeastern United States.

Differentiator

Problem solved

Functional benefit

Products and services

• Land Surveying Professional land surveying services providing precise geospatial measurements and boundary determinations for construction, development, and infrastructure projects, serving commercial, utility, and government clients.
• Aerial Mapping Aerial surveying and mapping services using aircraft-mounted sensors to collect geospatial data over large areas for infrastructure planning, power line inspection, and development projects.
• GIS (Geographic Information System) GIS services including GPS data collection, inspection and inventory, mapping and data development, web and mobile applications, and public safety solutions for utilities and government clients.
• BIM/3-D Laser Scanning Building Information Modeling and 3D laser scanning services for capturing precise digital representations of existing conditions for design and construction purposes.
• Survey/Construction Monitoring Ongoing surveying and construction monitoring services to track project progress and ensure compliance with design specifications throughout construction execution.
• Damage Prevention Inspection services focused on preventing damage to underground utilities and infrastructure during excavation and construction activities.
• Engineering Inspection Comprehensive engineering inspection services ensuring structural integrity and compliance with engineering standards and specifications.
• Power Line Inspection Specialized aerial and ground-based inspection services for power line infrastructure assessment, maintenance, and FAC-008 compliance documentation.
• Subsurface Utility Engineering (SUE) Subsurface utility engineering services for mapping and managing underground infrastructure to minimize risks during excavation and construction activities.
• Utility Coordination Coordination services for managing interactions between multiple utility stakeholders during infrastructure projects.

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability1 record

Partnerships

One partnership is on record.

• SAM (Surveying And Mapping)coreStrategic or Co-development PartnerSAM acquired Donaldson, Garrett & Associates, Inc. in 2026 to expand its surveying footprint in the Southeast. The acquisition expanded SAM's labor resources, client reach, and utility-focused surveying capacity in Georgia and North Carolina, while enabling SAM to offer DG&A's existing client base a broader suite of geospatial and infrastructure solutions.

Recent moves4 records

Expansion highlights5 records

Broad incumbents

• Stantec: Engineering, architecture, and geospatial services firm with a strong Southeast U.S. presence and surveying/mapping capabilities that overlap with DG&A's core offerings.
• AECOM: Global infrastructure consulting firm with a sizable surveying, geospatial, and inspection practice that competes with DG&A/SAM on large utility, transportation, and government programs across the Southeast and beyond.
• TRC Companies: Engineering and consulting firm providing surveying, GIS, and inspection services to utilities and government clients, comparable in both service offering and end-market focus.
• WSP Global: International professional services firm with a significant U.S. property and infrastructure surveying and geospatial practice, competing for the same utility, transportation, and government contracts as DG&A.
• SAM | Managed Geospatial Services: The parent company of DG&A, SAM offers the same full stack of land surveying, aerial mapping, GIS, BIM, inspection, and digital/AI-enabled geospatial services nationally, serving utilities, transportation, government, and oil & gas markets. As parent and largest internal peer, it is the most directly comparable operating model.
• Jacobs Solutions: Major engineering, geospatial, and program management firm serving utilities, transportation, and government clients with overlapping surveying, GIS, and digital twin capabilities similar to DG&A's service stack.

Direct peers

• Dewberry: Privately held professional services firm offering land surveying, geospatial, and engineering services to commercial, utility, and government clients across the eastern U.S., with comparable size and practice mix to DG&A.
• Colliers Engineering & Design: Multi-discipline engineering and surveying firm providing land surveying, GIS, and infrastructure services to public and private sector clients in the Southeast, closely matching DG&A's service profile.
• KCI Technologies: Employee-owned engineering firm with a significant surveying, SUE, and utility infrastructure practice in the Mid-Atlantic and Southeast, directly overlapping with DG&A's utility corridor and municipal service lines.
• Bowman Consulting Group: U.S. engineering and surveying firm that has grown aggressively via acquisition of regional surveying and geospatial businesses, directly comparable to DG&A in size, services, and roll-up strategy.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/donaldson-garrett-and-assoc

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Donaldson Garrett & Associates