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Members by Company

OAC Services, Inc.

Architects, engineers, and construction management. AGC member since 2009.
Architects, Construction Software, Consultants/Construction Management, Consultants/Environmental, Consultants/Roofing and Waterproofing, Engineers/Structural, Project Management
www.oacsvcs.com
Phone: (206) 285-4300
Fax: (206) 285-4370
Mailing Address
2200 - 1st Ave. S, Ste 200
Seattle, WA  98134

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
1042 West James, Ste. 103
Kent, WA  98032
Mailing Address
P.O. Box 1356
Kent, WA  98035

Ohno Construction Company

Award-winning Ohno Construction Company specializes in outdoor recreational and athletic facility venues, including parks, sports fields and tracks, play areas, habitat restorations and greenways, bike and inter-modal pathways, restroom/concession buildings and more. AGC member since 2020.
Phone: (206) 325-1529
Mailing Address
9416 Martin Luther King Jr. Way S
Seattle, WA  98118

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, Supplies - Concrete, Culverts, Electrical Utilities, Precast Architectural Concrete, Precast Concrete Specialties, Precast Structural Concrete, Sanitary Utility Sewerage Structures, Storm Utility Drainage Piping, Vehicle Barriers, Water Utilities
www.oldcastleprecast.com; www.opauburn.com
Toll Free: (800) 892-1538
Fax: (253) 735-4201
2808 "A" St. SE
Auburn, WA  98002
Dave Swanson
Member Highlight

Oles Morrison Rinker & Baker LLP

Washington's most experienced law firm in all facets of construction - contracts, bonding, insurance, partnering, claims, bid protests, environmental, MBE/WBE and labor. AGC member since 1979.
Attorneys/Bankruptcy/Reorganization, Attorneys/Claims/Arbitration/Litigation, Attorneys/Construction Law, Attorneys/Corporate/Partnership/JV/LLC, Attorneys/Government Contracting, Attorneys/Labor and Employment, Attorneys/Liens/Bonds/Retainage, Attorneys/Real Estate, Attorneys/Taxation/Federal/State
Phone: (206) 623-3427
Fax: (206) 682-6234
701 Pike St., Ste. 1700
Seattle, WA  98101
Sam E. Baker, Jr.
Tom R. Krider
Brad L. Powell
Douglas S. Oles

Olson Bros. Excavating, Inc.

Earthwork and underground utilities, excavation, site development, sewer, storm, water, residential subdivisions, and demolition. AGC member since 1988.
Demolition, Sanitary Sewerage Utilities, Storm Drainage Utilities
Phone: (253) 770-3844
Fax: (253) 770-3845
6622 - 112th St. E
Puyallup, WA  98373
Mike Olson
Steve Olson

Omega-Morgan

OMEGA MORGAN is the Pacific Northwest’s premier solutions provider to meet your crane, rigging, transportation and millwright service needs. Based regionally in the PNW our reach extends globally. We service our customer’s machinery moving, transportation and re-location needs both domestically and internationally. Our Millwright Services group has a complete machining and fabrication shop ready to meet your needs. Our Engineering group has long been recognized for innovate solutions to complex transportation and rigging challenges. We have both inside and outside secured storage with video surveillance and controlled access. Omega Morgan provides complete crane service, machinery moving, rigging and transportation services. AGC member since 2012.
www.omegamorgan.com
Phone: (253) 852-7500
Fax: (253) 852-7600
1222 - 46th Ave. E
Fife, WA  98424
Mark Shanholtzer
Erik Zander
Robin Bailey

On Site Health & Safety

ON-SITE HEALTH & SAFETY is a 24-hour provider of essential health and safety services. Certain services can be better performed at the jobsite, instead of an off-site facility. AGC member since 2016.
Safety Training
www.onsitehealthandsafety.com
Phone: (866) 998-2750
520 - 6th St.
Rodeo, CA  94572

O'Neill Service Group, LLC

Transportation QA/QC design-build, special inspections and construction materials testing, and environmental services. AGC member since 2012.
Consultants/Environmental, Testing/Inspecting Services

DBE, MBE

www.oneillsg.com
Phone: (425) 429-7800
Fax: (425) 633-2284
17619 NE 67th Court, Ste. 100
Redmond, WA  98052

OpenSpace

OpenSpace is the fastest, easiest way to maintain timestamped digital replicas of construction jobsites using a 360° camera. Just tap record, and go. Speed up 360° photo captures with automatic floor plan pinning. Automate progress tracking through AI-powered quantitative analysis of captures. Do virtual jobsite walks, push field notes to RFIs, validate actual conditions to the coordination model, and more. Drive accountability, minimize travel, reduce risk and resolve conflicts. "Because a picture is worth a thousand words." AGCW member since 2022.
www.openspace.ai
Phone: (855) 703-8900
Mailing Address
204 - 5th Place South
Kirkland, WA  98033

Orion Marine Contractors Inc.

General Contractor: Heavy Civil, Marine. AGC members since 2021.
Contractors/Heavy Civil, Contractors/Marine
www.orionmarinegroup.com
Phone: (253) 552-1140
Mailing Address
1112 Alexander Ave. E
Tacoma, WA  98421

Osborne Construction Company

Preconstruction and construction services, including tenant improvement, repair, and renovation. Specializing in commercial, industrial, education, military, civil, residential, and design/build projects for government agencies and private clients. AGC member since 2006.
Contractors/Buildings, Contractors/Design-Build
www.osborne.cc
Phone: (425) 827-4221
Fax: (425) 828-4314
Mailing Address
9840 Willows Rd. NE, Ste. 100
Redmond, WA  98052
Matt Osborne

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
Toll Free: (888) 688-6487
Fax: (206) 723-2221
6747 Martin Luther King Jr. Way S
Seattle, WA  98118
Judi Rosenau-Payseno

Overcast Innovations LLC

Manufacturer of integrated ceiling assemblies that aggregate building technology. AGCW member since 2023.
https://overcastinnovations.com/
Phone: (833) 214-2949
Mailing Address
210 S. Hudson St.
Seattle, WA  98115
Member Highlight

Overton Safety Training, Inc.

Safety training for equipment operators. AGC member since 2006.
Consultants/Education and Training, Consultants/Safety, Safety Training
Phone: (503) 356-0403
Toll Free: (866) 531-0403
Mailing Address
1623 SE Enterprise Circle
Hillsboro, OR  97123