Listings >> Professional Sigma Engineering Services (713) 461-8584 www.engineeringsvc.com Sigma is a Houston-based full-service structural design and engineering consulting company with over 40 years of experience designing and constructing structures that stand the tests of time and nature. Katy Freeway 8554 Houston 77024 TX US Get directions Is this your business?Claim it now.Make sure your information is up to date. Professional Photo gallery All photos (1)
