Mayfly Engineering

Gerber Engineering, Inc. is a customer-oriented engineering firm dedicated to providing value-conscious, innovative, and responsive services to our clients.

Operational since 1994, Coughlin Porter Lundeen Inc. is a structural engineering firm. Located in Seattle, Washington, the firm provides services, including building structural design, site design, historic renovation, seismic evaluation and surface water management. It has completed projects for housing, retail, hospitality, senior living, office, health care, labs, renovation and master planning. The current projects of Coughlin Porter Lundeen Inc. include Amazon.com South Lake Headquarters, Seattle University Campus Expansion, Microsoft Red West South, Redmond, Eastgate Elementary School, Belleuve and Burien Town Square Library and City Hall., Redmond

PB, previously known as Parsons Brinckerhoff, provides strategic consulting, planning, engineering, and program and construction management services to public and private sector clients. It serves transportation, power, buildings and facilities, water and wastewater treatment, environmental, and urban and community development sectors. The company offers environmental impact assessments, geographic information systems, site remediation, solid waste management and institutional advisory services. PB also offers financial advisory, risk management, cost estimates, design project management, budget evaluations, quality assurance, design visualization and planning services. Its projects include Delhi Mass Rapid Transit System, SEREBAR Groundwater Treatment System, Los Angeles Unified School District and Detroit Recreation Department. PB has been operational for more than 120 years and maintains a location in Chicago.