Nesch Pittsburg Brick, Standard Block, Buffalo Paving Block, Nelsonville Block, Novelty Block, Metropolitan Block, Townsend Block
Shawmut PA, WGB Co, 20th Century Paver, Kentucky Block
United Clay, Dawson, Thurber Block, Shackleford, Banner, Middleport Block, Coaldale Block, Athens OH, Townsend Paver, Pittsburg, Liberal B&T Co, Sapulra Pressed Brick, Jamestown Block, Nay-Aug PA, Cowansville, Augusta Block, Minor, Walsh, Hydraulio, CSB Co, Culver Block, Atchison Paving Brick Co, Paterson, Kittg Clay Mfg Co, Donley Brick, Southern Clay, Cowan's, Paterson,
Utt Bros Springfield Ill, Harper, Puryngton Paver, VVV Brick & Tile, WWCo, Pueblo, McManigal, Harper Norton, Muskogee, Shale Brick, Trinidad, Penn Branch
EPBCo, Utt Bros, Diamond, Stark Brick, Coffey, Riverside Paver, Nesch, Buffalo, Fort Smith Ark., Wabash Clay Co, Patton, Cleveland, Sapulpa, Yoke Vit. Brick, Atchinson Paving Brick Co, Mitchell St Louis, Dacus, Buffalo Builder
Corning, Ottowa B&T Co, Hickory Brick, Jamestown Block, Nesch, Muskogee Vit Brick, Albion Block, Capital, Mack, Watson, Peebles Block 1908
Buffalo, Union Paver, Tuna Valley, Sparta, Logan Brick, Versailles, Colorado, Tyrone, Omega, Phoenix, HR&CO Shale, Hydraulic, Utt Bros, Johnsonburg PA, Riverside Paver, Saginaw, P&M Paver, TH Boyd & Son, Falls Creek PA, Monongahela Clay
Poston Paver, BARR, Southern Clay, Olean, Patton Paver, South Webster Block, Tuna Valley, Grafton Block, Sharon Block, Porter National, Bradford, Nesch, Standard Vit Brick Co, Shawmut PA, Dickinson Little Rock, Pawhuska, Altoona
Union Paver, Southern Clay, Milton, Pine Grove, Barr, Shawmut PA, Christy St Louis, Alton, Kushequa, Western Paver, Sherbrooke, United Brick & Tile, Omega, Cleveland, Union Brick, Columbus Kansas, Athena, Ridgway
Lane Block, Portsmouth OH, Capital, Poston Paver, BARR, Southern Clay, Olean, Baltimore Block, Parsons VB Co, South Webster Block, Tuna Valley, Grafton Block, Alton, Edwards Brick, Bradford, Porte National, Collinwood Block, Standard Vit Brick, Shawmut PA, United Brick,
The Connecticut Museum of Mining & Mineral Science