Gary A. Drennan, PLS, PMM


Gary is a Professional Land Surveyor and Professional Missouri Mapper.  His experience in surveying and assessment mapping began in 1977.  Over the past 37 years he has worked for notable firms in Springfield and Nixa, Missouri. In 1994, Gary started Drennan Surveying Services, LLC in Nixa, Missouri, which continues to provide services to the Southwest Missouri region.


Over his 37-year career, he has worked with architectural, engineering, and other surveying firms, and with construction firms for sites all over the State of Missouri, in Western Kansas and Western Texas.


Drennan Surveying Services, LLC is just that, a surveying company ready to serve you in all your surveying and land planning needs.  

Contact us for a free consultation +1.417.830.6091

Serving Southwest Missouri for nearly 40 years.