We are a full service land surveying company. We specialize in boundary surveys, otherwise known as Land Title Surveys. We also perform topographic surveys and surveys for subdivisions, both rural and urban. We prepare FEMA Flood Elevation Certificates and make application to FEMA for Letters of Map Amendment (LOMA) - and are authorized by FEMA to submit ELOMA's. Blackaller Engineering is a full service land surveying company located in Longview, Gregg County, Texas. Blackaller Engineering has been in the business of providing quality surveying services in the Northeast Texas area since 1986.

Blackaller Engineering is a full service land surveying company located in Longview, Gregg County, Texas. Blackaller Engineering has been in the business of providing quality surveying services in the Northeast Texas area since 1986. Our service area includes the following counties: Gregg County, Upshur County, Rusk County, Harrison County, Panola County, Wood County, Marion County, Smith County, Camp County, Cass County and Morris County. Blackaller Engineering is owned by Gary Blackaller, a Professional Engineer (Registration No. 54222) and Registered Professional Land Surveyor (Registration No. 4445).