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Home > Virginia Engineering Consultants > Hayes, Seay, Mattern & Mattern, Inc. (HSMM)

Hayes, Seay, Mattern & Mattern, Inc. (HSMM) logo

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Hayes, Seay, Mattern & Mattern, Inc. (HSMM)

P. O. Box 13446
Roanoke, VA 24034
Tel: 540-857-3100  Fax: 540-857-3180
E-mail: hsmm@hsmm.com

Hayes, Seay, Mattern & Mattern, Inc. (HSMM) is a member of the American Council of Engineering Companies (ACEC)

URL: http://www.hsmm.com
Key Personnel: Cecil G. Doyle, President, President, CEO and Chairman of the Board; Stephen P. Clinton, Executive Vice-President and Chief Operating Officer
Areas of Specialization: Architectural, Civil, Communications, Computer/Software, Construction/Project Management, Dams/Impoundments, Electrical, Energy Conservation/Recovery, Environmental, Feasibility Studies, Fire Protection, Foundations, Geographic Information Systems, Harbors/Port Facilities, Hazardous/Toxic Waste, Highways/Bridges, HVAC, Hydraulics, Hydrology/Hydrogeology, Industrial, Institutional, Instrumentation, Land Development/Planning, Landfills, Landscape Architecture, Life Safety, Lighting, Manufacturing, Mass/Rapid/Rail Transit, Mechanical, Military Facilities, Permits/Permitting, Plumbing/Process Piping, Pneumatic, Pollution Abatement/Control, Power Production/Distribution, Process Automation/Control, Public Works, Rehabilitation/Restoration, Resource Recovery, Sanitary, Security, Sewers/Sewage Treatment, Solid Waste Disposal, Stormwater Management/Systems, Structural, Surveying/Mapping/GPS, Telecommunications/CATV/SCADA, Traffic/Transportation, Underground Tanks/Piping, Waste Management/Treatment, Water Supply/Distribution, Water/Wastewater Management, Waterfront/Waterway, Wetlands
Services: With more than 59 years of continuous service and a 600-person staff, HSMM is one of the oldest and largest consulting firms headquartered in Virginia. The firm provides services through its five divisions: HSMM Buildings, HSMM Civil and Environmental, HSMM Transportation, Watershed Concepts (water resources), and CTA Communications (public safety radio and telecommunications). HSMM effectively combines strong project management, teamwork, and multidiscipline technical expertise to meet the unique needs of each client. One of the firm's strengths is the more than forty traditional A/E disciplines and technical specialties that make up our staff. Building upon its reputation for quality design and excellent service, HSMM works with private and public sector clients throughout Virginia, the U.S., and the world.

Branch Offices:
448 Viking Drive, Suite 145
Virginia Beach, VA 23452
Tel: 757-306-4000 Fax:
Person in Charge: Gary F. Arnold, AIA, Office Manager

20715 Timberlake Road, Suite 106
Lynchburg, VA 24502
Tel: 434-239-9200 Fax:
Person in Charge: Cheryl S. Giggetts, MBA, President and Regional Manager

115 21st Street, NW, Suite 1000
Washington, DC 20036
Tel: 202-721-7700 Fax:
Person in Charge: George W. Spagnolo, P.E., Regional Manager