O'Bunco Engineering International Inc
OEI is a small local firm established in 1997, offering professional services in the area of Surveying, Civil and Construction Management. With offices in Kent WA & Pasco WA. AGC member since 2020.
DBE, MBE
www.obuncoengineering.com
Phone: (425) 451-7300
Street Address
33650 6th Ave. S, Ste. 102
Federal Way, WA 98003
Mailing Address
P.O. Box 3918
Federal Way, WA 98063
Oldcastle Infrastructure
Precast concrete products: three-sided bridges, barrier, utility vaults: electrical, water, communication, and environmental, drainage manholes, pipe, and catch basins. structural/architectural precast. AGC member since 1966.
Bridges, Communications Structures, Communications Utilities, Culverts, Electrical Utilities, Precast Architectural Concrete, Precast Concrete Specialties, Precast Structural Concrete, Sanitary Utility Sewerage Structures, Storm Utility Drainage Piping, Supplies - Concrete, Vehicle Barriers, Water Utilities
www.oldcastleprecast.com; www.opauburn.com
Fax: (253) 735-4201
2808 "A" St. SE
Auburn, WA 98002
OneDigital
OneDigital is a Fierce Advocates for Washington State's Construction Industry. We help AGC members protect their business andtheir people through employee benefits, commercial property & casualty insurance, risk management, HR consulting, retirementplans, and financial services. All from one integrated team. OneDigital is a national insurance, financial services, and HR consulting firm serving more than 100,000 employers across the U.S. We work with construction companies of all sizes — from regional contractors to large general contractors. Running a construction business means managing risk on every front. Jobsite liability, workforce retention, rising healthcare costs,and the complexity of keeping a multi-trade workforce engaged and protected. Our model means you work with a single, coordinated team — not five separate vendors — so your benefits, risk, HR, and financial strategies align year round. AGCW member since 2026.
https//www.onedigital.com/
Phone: (206) 637-1664
Street Address
4041 Ruston Way., Ste. 101
Tacoma, WA 98402
Mailing Address
370 Sole Rd.
Selah, WA 98942
Otto Rosenau & Associates, Inc.
WBE certified small business: geotechnical engineering, ground penetrating radar (locating), WABO certified special inspection/testing - concrete, masonry, steel, fireproofing, soil, asphalt, etc. AGC member since 1982.
Engineering/Geotechnical, Ground Penetrating Radar, Subsurface Investigation, Testing/Inspecting Services
WBE
www.ottorosenau.com
Phone: (206) 725-4600
Fax: (206) 723-2221
6747 Martin Luther King Jr. Way S
Seattle, WA 98118
