Comnav Engineering, 430 Riverside St, Portland, ME 04103, US

Rist-Frost-Shumway Engineering has more than 60 technical and administrative staff members. It offers mechanical, electrical, plumbing, fire protection, telecommunications, structural, civil and environmental engineering services to architectural, educational, health care, industrial, government, private sector and municipal clients. Founded in 1972, the firm analyzes and renovates buildings and utility infrastructure systems. Rist-Frost-Shumway Engineering also works on new construction projects that include public schools, dining facilities, laboratories, athletic venues and cultural centers. Its multidisciplinary engineering capabilities provide an integrated and coordinated service package. Located in Laconia, N.H., Rist-Frost-Shumway Engineering maintains a fully networked computer-oriented environment and prepares construction drawings with the help of AutoCAD.

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