Contact If you are a resident of Sulphur, LA and you are interested in custom home building, concrete construction, or general contracting, look no further than Hardy Construction. Get in touch today. Business Address: 1148 Cypress St Sulphur, LA 70663 Call Now ! 3375271177 Business Hours Mon-Fri 8:00am-5:00pm Sat-Sun 7:00am-5:00pm Find Us On: Your Name (required) Your Email (required) Subject Your Message Please leave this field empty.