Established in 1978, Robert Peccia & Associates is a civil, environmental and transportation engineering and land surveying firm. The company has provided planning and engineering services to public and private clients for more than 30 years. RPA s airport engineers have provides airport design services to nearly 100 general aviation and commercial service airports throughout Montana. Services include project management, airport planning and design and construction management. Environmental design services include site development, assessments, and impact assessments for highway projects and bridge replacements. RPA s natural resources division provides initial site investigation, environmental assessments, design and permitting, construction contract administration and site monitoring. Subsurface utility management includes mapping, utility surveys and road design. The company also provides transportation, wastewater management and water supply services. Robert Peccia & Associates has a location in Helena, Mont.