- Union County Museum
- Union Township Historical Msm
- United States Air Force Museum
- United States Bicentennial
- University Art Museum
- University-Oregon Museum-Art
- Uppertown Firefighters Museum
- US Air Force Museum
- USS Saratoga Museum Fndtn
- USS Saratoga Museum Fndtn
- USS Slater
- Utica Historical Society
- V & R Toy Museum
- Valentown Museum
- Van Cortlandt House Museum
- Van WERT County Museum
- Van Wyck Homestead Museum
- Vanderbilt Museum
- Varnum House Museum
- Vernonia Pioneer Museum
- Vestal Museum
- Victorian Dress Museum
- Victorian Perambulator
- Village Of Potsdam Museum
- Voelker Orth Museum
- WACO Air Craft Museum
- WACO Field
- Wahcc Inc
- Waldport Heritage Museum
- Wallowa County Museum
- Walsh County Historical Museum
- Walt Whitman Birthplace Assn
- Wantagh Preservation Society
- War Vet Museum
- Ward WO-Hara Agricultural
- Warren County Hstrcl Museum
- Warren Fire Museum
- Warwick Museum Of Art
- Wasco County Historical Scty
- Washington County Historical
- Washington Irving Trail Museum
- Waterford Historial Museum
- Waterford Historial Museum
- Watkins Academy Museum
- Watson Farm
- Wax Museum Complex
- Wayne County Historical Scty
- Waynoka Historical Society
- WEBB House Museum
- Webster Museum & Historian's
- Wellsville Historical Society
- West Carrollton Historical Soc
- Westbury Art & Photo Inc
- Western Lake Erie Historical
- Western Monroe Historical Soc
- Western New York RY Society
- Western New York RY Society
- Westhampton Beach Historical
- Whaling Museum Society Inc
- Wheels Gone By
- White Hair Memorial
- White Pine Camp
- White Pine Camp
- Whitehall Museum House
- Wilder Assoc Almanzo/Laura
- Wilder Assoc Almanzo/Laura
- Will Rogers Memorial Library
- Willamette Shore Trolley
- Willamina Historical Museum
- William G Mather Steamship
- Williams County Historical
- Williamsburg Art & Historical
- Willis B Boyer Museum Shop
- Wilson Historical Society
- Wilton Heritage Society
- Wilton Heritage Society
- Wings Of Eagles
- Wolcott House Museum Complex
- Wood County Historical Ctr
- Woodburn Historical Museum
- Woodstock Artists Assn
- Woodville Museum Inc
- Woolaroc
- Working Wonders Children's Msm
- Works
- WORLD Awareness Chldrns Museum
- World Organization Of China
- Worthington Historical Society
- Wyandot County Historical Soc
- Wyckoff Pieter Claesen House
- Yager Museum
- Yamhill County Museum
- Zanesville Art Ctr
- Zoar Village State Memorial
