HLSM, LLC with more than 45 years of surveying records in Central Florida. Leon F. Henrich, founder of Henrich, Inc. earned a reputation of providing reliable surveys for developers, engineers, real property attorneys, home builders, lending institutions, government entities and private individuals. This reputation and Central Florida growth enabled Henrich, Inc. to become one of the largest surveying firms in the area. The addition of Irvin Trotter, M. E. "Gene" Ayers, and George "Jack" Carter as licensed surveyors further equipped Henrich to maintain their thriving Central Florida business.