Please note that as of July 2016, I only conduct research through the U.S. Lighthouse Society.
- American Lighthouse Foundation
- Beavertail Lighthouse Museum Association, Rhode Island
- Buffalo Lighthouse Association, New York
- Cape Decision Lighthouse Society, Alaska
- Cape Hatteras National Seashore (Bodie Island, Cape Hatteras, and Ocracoke Light Stations), North Carolina
- Carrabelle Lighthouse Association, Inc. (Crooked River Lighthouse, Florida
- Central Coast Lighthouse Keepers Association (Point Sur Lighthouse), California
- Chesapeake Chapter of the USLHS (Thomas Point Shoal Lighthouse, Maryland)
- Delta County Historical Society (Escanaba/Sand Point Light Station), Michigan
- Diamond Head Lighthouse, Hawaii
- Emmet County (McGulpin Point Lighthouse), Michigan
- Forty Mile Point Lighthouse Society, Michigan
- Friends of Thirty Mile Point Lighthouse, New York
- Friends of Wood Island Lighthouse, Maine
- Friends of Yaquina Head Lighthouses, Oregon
- Grand Traverse Lighthouse Museum (South Fox Island Lighthouse), Michigan
- The Graves Light Station, Massachusetts
- Great Lakes Lighthouse Keepers Association
- Great Lakes Shipwreck Museum, (Whitefish Point Lifeboat Station), Michigan
- Halfway Rock Lighthouse, Maine
- Harbor Point Association (Little Traverse Lighthouse), Michigan
- Historical Research Associates (National Register nominations for U.S. Coast Lighthouses)
- Huntington Lighthouse Preservation Society, New York
- Los Angeles Maritime Museum, California
- Jupiter Inlet Lighthouse & Museum, Florida
- Marquette Maritime Museum, Michigan
- Marshall Point Lighthouse Museum, Maine
- Mathews County Historical Society (New Point Comfort Lighthouse), Virginia (Research resulted in a book on the lighthouse)
- National Lighthouse Museum, Staten Island, New York
- National Park Service Historic American Buildings Survey/Historic American Engineering Record (HABS/HAER) (U.S. Coast Guard Cutter Fir and 133-foot buoy tender class)
- North Light Commission (Block Island North Light Station), Rhode Island
- Ontonagon County Historical Society (Ontonagon Lighthouse), Michigan
- Peninsula Township (Old Mission Point Lighthouse), Michigan
- Piedras Blancas Light Station (Bureau of Land Managment), California
- Point Arena Lighthouse, California
- Point Lookout Lighthouse, Maryland
- Point San Luis Obispo Lighthouse Keepers, California
- Pointe Aux Barques Lighthouse Historical Society, Michigan
- Ponce Inlet Lighthouse Preservation Association, Florida
- Port Washington Historical Soceity, Wisconsin
- Presque Isle Partnership (Presque Isle Lighthouse), Pennsylvania
- The Presumpscot Foundation (Halfway Rock Lighthouse)
- Sable Points Lighthouse Keepers Association, Michigan
- San Luis Obispo Lighthouse Keepers, California
- Santa Barbara Maritime Museum, California
- Spring Point Ledge Light Trust, Maine
- St George Lighthouse Association (Cape St. George), Florida
- St. George Reef Lighthouse Preservation Society, California
- Thacher Island Association, Massachusetts
- The Graves Lighthouse, Massachusetts
- The Lighthouse People
- Turn Point Lighthouse Preservation Society, Washington
- Twin Lights Historical Society, New Jersey
- U.S. Life-Saving Service Heritage Assocation
- U.S. Lighthouse Society (Point No Point Lighthouse, Washington)
- Washington State Parks (Admiralty Head Light Station), Washington
- Wesport Maritime Museum (Grays Harbor Light Station), Washington