| ACT. ENTERPRISES, L.P.Location not reported, OR · Active | Location not reported, OR | Partnership | Jan 24, 2015 | Active |
| BERNHARD LLCSeaside, OR · Active | Seaside, OR | LLC | Sep 21, 2015 | Active |
| THE COTTAGES AT GEARHART, LLCSeaside, OR · Active | Seaside, OR | LLC | Aug 6, 2018 | Active |
| COASTAL GOLF COMPANY, LLCAstoria, OR · Active | Astoria, OR | LLC | Apr 30, 2019 | Active |
| YOUNG'S BAY AUTO SALES, LLCSeaside, OR · Active | Seaside, OR | LLC | Sep 12, 2019 | Active |
| SEASIDE AQUARIUM AND GIFT SHOP, LTD.Seaside, OR · Active | Seaside, OR | Corporation | Mar 24, 1983 | Active |
| SEAVIEW ROCKAWAY LLCRockaway Beach, OR · Active | Rockaway Beach, OR | LLC | Aug 14, 2020 | Active |
| ROSE TREE, LLCSeaside, OR · Active | Seaside, OR | LLC | Oct 30, 2020 | Active |
| KIITOS, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Jan 6, 2021 | Active |
| MOOING COWS, LLCCannon Beach, OR · Active | Cannon Beach, OR | LLC | Jan 6, 2021 | Active |
| JAYJOE INVESTMENTS, LLCSeaside, OR · Active | Seaside, OR | LLC | Feb 23, 2021 | Active |
| YOUNG BUILDING LLCAstoria, OR · Active | Astoria, OR | LLC | Apr 14, 2021 | Active |
| PUMPKIN HOLDINGS, LLCSeaside, OR · Active | Seaside, OR | LLC | Dec 6, 2021 | Active |
| MUNE AT LLCSeaside, OR · Active | Seaside, OR | LLC | May 5, 2022 | Active |
| WALDEINSAMKEIT, LLCCannon Beach, OR · Active | Cannon Beach, OR | LLC | May 5, 2022 | Active |
| NORTH COAST SALMON & STEELHEAD ENHANCEMENT FUND, INC.Tillamook, OR · Active | Tillamook, OR | Nonprofit | Apr 15, 2004 | Active |
| WILLOW GARDENS DEVELOPMENT, LLCSeaside, OR · Active | Seaside, OR | LLC | Aug 2, 2023 | Active |
| POPKIN REFERRAL REAL ESTATE LLCSeaside, OR · Active | Seaside, OR | LLC | Aug 22, 2025 | Active |
| RIVERSIDE TOWNHOUSE HOMEOWNERS ASSOCIATION, INC.Seaside, OR · Active | Seaside, OR | Nonprofit | Jan 18, 2005 | Active |
| LANDWEHR ENTERPRISES, LLCAstoria, OR · Active | Astoria, OR | LLC | Aug 15, 2005 | Active |
| CAMPBELL & POPKIN, LLCLake Oswego, OR · Active | Lake Oswego, OR | LLC | Sep 26, 2005 | Active |
| COUNTRY CLUB ESTATES ASSOCIATIONWarrenton, OR · Active | Warrenton, OR | Nonprofit | Sep 11, 1993 | Active |
| CLATSOP ECONOMIC DEVELOPMENT RESOURCESSeaside, OR · Active | Seaside, OR | Nonprofit | Oct 1, 2007 | Active |
| SOWINS REAL ESTATE & PROPERTY MANAGEMENT, LLCWarrenton, OR · Active | Warrenton, OR | LLC | Apr 17, 2008 | Active |
| POPKIN REAL ESTATE, LLCSeaside, OR · Active | Seaside, OR | LLC | Dec 5, 2008 | Active |
| MCPOP, LLCSeaside, OR · Active | Seaside, OR | LLC | Oct 19, 2010 | Active |
| MCPOP TWO, LLCSeaside, OR · Active | Seaside, OR | LLC | Oct 19, 2010 | Active |
| KAMPERS WEST, LLCWarrenton, OR · Active | Warrenton, OR | LLC | Jan 24, 2000 | Active |