HM3 Engineering Consultants, Inc. has over 21 years of experience providing Mechanical, Electrical, and Plumbing (MEP) Engineering services. Our Engineers are licensed in over 20 States including Texas and we currently have Staff in San Antonio, McAllen, Houston and Billings, MO. Our experience covers a variety of successful Public and Private Sector work including government, educational, medical, industrial, dental, commercial retail, restaurant, hospitality, office and commercial retail facilities.