Our Story
Our Story
G4 GEOMATIC RESOURCES LLC
G4 Geomatic Resources is your one stop shop for Measurement Solutions, Factory Service, Field Supplies & Safety Gear. With locations across the state of Texas, we strive to meet the needs of customers no matter where you are.
G4 Geomatic Resources was born in 2021 when the uniting of former Leica Geosystems Reps joined forces to manage their pre-existing dealerships state-wide. Each location has an owner on-site working alongside a full staff of salesmen, service techs, and technical support professionals.
Swing by one of our locations where you will find, Rodney Walsh at the DFW location (Geomatic Resources est 2005), Donnie Steele in San Antonio (G4 Spatial Technologies est 2008), John Clark in Austin (G4 Spatial Technologies), and Jeff Ryall in Stafford (Houston G4GR est 2021) contributing their over 100 years of combined knowledge and expertise when it comes to the best Leica solution.
Visit our website for more information: www.g4gr.com

G4 Geomatic Resources is a partnership of experienced personnel in surveying and construction positioning equipment in the state of Texas.
Geomatic Resources has been a Leica Geosystems dealer since 2005, led by John Clark in Austin and Rodney Walsh in Dallas, both of whom were Leica Geosystems employees. John was also the general manager of Easy Drive Stake, a leader in survey and construction supplies and equipment for more than 50 years, and one of Leica Geosystems’ largest construction dealers.
G4 Spatial Technologies has been a Leica Geosystems dealer since 2008, led by a former Leica Geosystems employee, Donnie Steele, and Bob Miller, founder of Miller Blueprint, both in San Antonio and Austin.
Jeff Ryall, with more than 25 years of industry experience and the leader of the Leica Geosystems Solution Center in Houston, joined the partnership to open the company’s newest office in Stafford, Texas.
The newly formed partnership, knowledge base, and geographic locations provide customers unsurpassed service and equipment positioning solutions across Texas and Oklahoma. We are hands-on and dedicated to the surveying and construction industry, providing state-of-the-art Leica Geosystems technology, field supplies, rentals, repair service, and dedicated technical support resources to ensure success with the new technology.



