HSA understands that the key to the successful implementation of any construction project is the proper management of resources and the sharing of expertise between the engineering, design, and construction fields. Our mission is to earn and maintain the trust, confidence, and respect of our clients through responsiveness, quality, and exceptional performance.  We have a reputation for our commitment to complete projects safely, on time, and within budget.  We have successfully completed projects at agricultural sites, industrial plants, superfund sites, brownfield sites, residential developments, and municipal facilities.

The Construction Services Division of HSA is supported by over 150 professional engineers, environmental scientists, advanced information technology personnel, and a staff of indoor air quality and safety professionals. We add value through safety, innovation, foresight, and attention to detail, and commit to maintaining the highest levels of professionalism, integrity, honesty and fairness in our relationships with our clients, employees, suppliers, and subcontractors. We are equally proud of our safety record and have been recognized for maintaining high safety and accident prevention standards.