Associates

OAC Services, Inc.

Architects, engineers, and construction management. AGC member since 2009.
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

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.
www.oldcastleprecast.com; www.opauburn.com
Toll Free: (800) 892-1538
Fax: (253) 735-4201
2808 "A" St. SE
Auburn, WA  98002

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.
www.onsitehealthandsafety.com
Phone: (866) 998-2750
520 - 6th St.
Rodeo, CA  94572

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.

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

Overton Safety Training, Inc.

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