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.