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- About this Collection
- Acknowledgements
- Background and Scope
- Related Resources
- Cataloging the Collection
- Digitizing the Collections
- HABS/HAER Highlights
- Technical Note: HABS/HAER/HALS Documentation
- Rights And Restrictions
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- A & B Irrigation District
- A & G Ralston
- A & P Roberts Company
- A & S Wilson Company
- A & V Railroad (2)
- A and P Products Corporation
- A C Goerig Company
- A D Story Shipyard
- A Guthrie & Co
- A Guthrie & Company
- A I Savin Company (18)
- A Jenks & Son
- A Milne
- A Mitchell Company
- A N Campbell & Company (2)
- A S Miller & Sons
- A&E Architects (3)
- A'quin, Louis
- A. & H.S. Company
- A. & P. Roberts (3)
- A. & P. Roberts Company (2)
- A. A. Hutchinson & Brothers
- A. B. & E. L. Shaw
- A. B. Mullet & company (2)
- A. Bentley & Sons
- A. Booth and Sons
- A. Eberly's Sons
- A. Epstein & Sons
- A. F. Wagner Iron Works
- A. Fulton's Son & Company
- A. G. Brauer Supply Company
- A. Gottlieb & Company
- A. Gude Sons & Company
- A. Hatch & Co.
- A. J. & J. L. Fairbanks
- A. J. Bayer, Co.
- A. J. Boynton & Company
- A. J. Sackett
- A. Kieckhefer Elevator Company
- A. L. Young & Company
- A. Leschen and Sons Rope Company
- A. M. Deering (8)
- A. N. Vendola Associates
- A. Oscar Martin & Son
- A. S. Horner Construction
- A. S. Kreider Company
- A. Smith Contruction Company, Incorporated
- A. Teichert & Son
- A. Y. Bayne & Company
- A. Y. Bayne and Company
- A. Zichtl & Company
- A.A. Andrews & Company
- A.A. Low and Co., builders
- A.B. Carson Company
- A.B. Gidley Company
- A.B. See Elevator Company
- A.C. Draper & Company
- A.C. Honeycutt Company (4)
- A.C. Kirkwood, Engineers (3)
- A.C. Martin and Associates
- A.C. Moses Construction Company
- A.C. Overholt & Company
- A.C. Polk
- A.D. Briggs Company
- A.D. Kern Company
- A.D. Story Shipyard
- A.D. Thomson and Company
- A.E. Baxter Engineering
- A.E. Baxter Engineering Company (5)
- A.E. Doyle and Associate Architects
- A.G. Lichtenstein & Associates, Inc. (5)
- A.G. Tomasello and Son Company
- A.H. Knudson and Company
- A.I. Savin Construction Company
- A.J. Honeycutt Company, Inc. (3)
- A.J. Morse & Son
- A.K. Adams & Company
- A.L. Guidone & Company
- A.M. Kinney, Inc.
- A.M. Kutsche & Company
- A.N. Pierson, Inc. (2)
- A.O. Smith Co. of Wisconsin
- A.P. Poirot Construction Company, Belleville, IL
- A.P. Stoddart (2)
- A.R.C.H. Consulting (2)
- A.R.T. Research Enterprises, Inc.
- A.S. Bacon and Sons
- A.S. Reed & Brother Company
- A.S. Reed & Brothers Company
- A.S.R. Overholt & Company
- A.T. Massey Coal Company
- A.W. Quist Company
- A.Y. McDonald Manufacturing Company
- AA Builders
- AA Electric Company
- Aagar, Carl L
- Aandahl, Fred G
- Aarcher, Inc.
- Aaron F. Clark's Lumber Yard (3)
- Aaron, D. Jayne
- Aaron, Jacob
- Aaron, Jayne (3)
- Aaron, Mary
- Aaron, Randall Blake
- AB Farquhar Company Limited
- Abad, Fred
- ABB Combustion Engineering
- Abbas, Fareena
- Abbe, Brie (16)
- Abbe, Frank
- Abbee, Cleveland
- Abbenante, J V
- Abbett Construction Company
- Abbett, Junior (2)
- Abbeville Power Company Incorporated
- Abbeville Water & Electric Plant Company
- Abbey
- Abbey Mausoleum, Incorporated
- Abbey, Mark
- Abbiati, E. P. (2)
- Abbitt, W. A.
- Abbot, Henry L. (2)
- Abbot, Martin B (37)
- Abbot, Martin B. (2)
- Abbot, W. A.
- Abbot, William
- Abbott
- Abbott & Costello
- Abbott & Merkt Company
- Abbott School
- Abbott's Dairy
- Abbott, Abiel
- Abbott, Charles A (2)
- Abbott, Charles E (19)
- Abbott, Charles E.
- Abbott, D. J. A.
- Abbott, Edwin E. (8)
- Abbott, Frank
- Abbott, George (2)
- Abbott, Gerald
- Abbott, Hunsley
- Abbott, Ira H.
- Abbott, James
- Abbott, Job
- Abbott, John
- Abbott, Lawrence
- Abbott, Martin B.
- Abbott, Merkt & Company
- Abbott, Merkt and Company
- Abbott, Peyton B
- Abbott, Stanley (3)
- Abbuehl, Edward
- Abbuehl, Edward H. (2)
- ABCs
- Abdel-Raheem, Tarek (2)
- Abdulhamid, Ismat Ayman
- Abdullah, Hend
- Abel Porter and Company
- Abel, Arthur H
- Abel, Joseph (3)
- Abel, Victor D (6)
- Abele, Julian (2)
- Abell, Charles Lee
- Abell, Gregg
- Abella, Maryell (2)
- Abelsen, Vernon M (2)
- Abenaki Indians
- Abernathy, Buckner
- Abernathy, Raenelle Bolick
- Abernathy, Ralf
- Abert, John James (4)
- Abert, Sylvanus Thayer
- Abeyta, Bernardo
- Abi Chahine, Charles (3)
- Abin, Kevin
- Abing, Kevin (13)
- Abing, Laura (5)
- Ablon, Mike
- Abner Doble
- Abner, Ed (2)
- Aboussie, Alicia (3)
- Aboussie, Alicia L
- Abraham Kerns & John Bryson
- Abraham, Lincoln
- Abraham, Sam
- Abram Knapp and Company (2)
- Abram, Miles
- Abramowitz, Alan (15)
- Abrams, W H
- Abramson, Daniel
- Abreu & Robeson, Architects and Engineers
- Abreu & Robeson, Inc.
- Abreu, Maryenid
- Absher, Joseph
- Abt, Levi
- Abuin, Ernest (2)
- Abukurah, Ghassan
- Abukurah, Ghassan A. (3)
- Abukuurah, Ghassan
- AC Cars Ltd.
- Academy Cathedral
- Academy of the Sacred Heart
- Acadia National Park (2)
- Acadiana Medical Research Foundation
- Acadiana Tumor Directory
- Accelerated Public Works
- Accelerated Public Works Program
- ACCO Industries
- Accurso, Rocco (2)
- Ace Concrete Company
- Ace Lighting Fixture Company
- Acevedo, Padre
- Ache, William W
- Acheson Ventures
- Acheson, Dean
- Achey , E. D.
- Achi, William Charles
- Achilles, Gertrude Strong (2)
- Achilo, Joseph
- Achtyl, Claire (3)
- Achurra, Maria
- Ack Mor Properties, Inc (9)
- Acker, Carl (36)
- Acker, Kenneth
- Ackerman & Ross
- Ackerman, Abraham (2)
- Ackerman, Albert
- Ackerman, Craig (2)
- Ackerman, Jasper (2)
- Ackerman, Joseph E
- Ackerman, Marilyn
- Ackerman, Patrick (3)
- Ackerman, Phyllis (4)
- Ackerman, William (3)
- Ackerman, William S
- Ackermann, Daniel Kurt
- Ackerson, Sean A
- Ackley Township Board of Supervisors
- Ackley, John
- Acme Boot Company
- Acme Brick Company
- Acme Company (2)
- Acme Engineering
- Acme Engineering and Contracting Company (7)
- Acme Wire Company
- Acosta, Leticia (2)
- Acosta, Rosalia
- ACR Consultants, Inc.
- Acree, Joseph D
- Acres American, Incorporated
- Acroterion
- Acton, James M
- Ad Vision, Incorporated
- AD-MARK, Incorporated (15)
- Adachi, Isaburo
- Adah Coke Company
- Adair, Bill
- Adair, Brady & Fishe Inc.
- Adair, Jennie
- Adair, Samuel L
- Adam & Co
- Adam & Co. (3)
- Adam Arras and Son
- Adam Groth Company
- Adam Laidlaw Company
- Adam Ross Cut Stone Company, Inc.
- Adam, John
- Adamitis, Stanley (6)
- Adamowicz, Molly (2)
- Adams
- Adams & Cie
- Adams & Haskins
- Adams Brick Works
- Adams Construction Company
- Adams County Emergency Management Agency
- Adams Express Company
- Adams Lode
- Adams Paint Company
- Adams, A. D.
- Adams, Abigail (2)
- Adams, Andrew
- Adams, Ann
- Adams, Ansel (5)
- Adams, Avery C
- Adams, Brian
- Adams, Brooks (3)
- Adams, Carol
- Adams, Charles Francis (5)
- Adams, Charles Gibbs
- Adams, Christopher D
- Adams, Christopher D. (5)
- Adams, Clover
- Adams, Cynthia
- Adams, D Delmas
- Adams, D. Delmas (21)
- Adams, David
- Adams, E M
- Adams, Enos
- Adams, Etienne
- Adams, George
- Adams, George Q.
- Adams, George R
- Adams, Gerald L.
- Adams, Henry (3)
- Adams, Isaac
- Adams, J Bradley
- Adams, J G
- Adams, J W
- Adams, James W
- Adams, Jeremy (3)
- Adams, John (7)
- Adams, John Quincy (5)
- Adams, John W.
- Adams, Julius
- Adams, Julius Walker
- Adams, Louis S.
- Adams, Lyman
- Adams, Marilyn
- Adams, Mary
- Adams, Milo A. (4)
- Adams, Milward
- Adams, Nathan
- Adams, Nathaniel
- Adams, Orson Bennett
- Adams, Peter J.
- Adams, Ralph
- Adams, Richard
- Adams, Richard F
- Adams, Robert (3)
- Adams, Roland E (4)
- Adams, Roland E. (8)
- Adams, Ross C.
- Adams, Samuel
- Adams, Samuel L
- Adams, T Catherine
- Adams, T. Catherine (10)
- Adams, T. E.
- Adams, Virginia (4)
- Adams, Virginia H (36)
- Adams, Virginia H. (5)
- Adams, W H
- Adams, W. J.
- Adams, William (2)
- Adams, William A
- Adams, William H.
- Adams, Zenas
- Adams,Porter,Radigan & May
- Adams-Doolittle, J
- Adamske, Emily
- Adamson, John
- Adamson, Lee (3)
- Adamson, Merritt, Jr.
- Adamson, Rhonda
- Adamson, Sharon
- Adcock, Robert
- Addis, Roland T
- Addison
- Addison County Railroad
- Addison Hedberg Company
- Addison, Henry (2)
- Addison, John
- Addison, Mrs. Walter Dolany
- Addison, Thomas
- Addison-Reudesal Incorporated
- Addy, George Stafford
- Addy, Ophie Markett
- Adelman, Edward
- Adelstein, Morris E
- Adena Culture
- Adgate, George
- Adhesive Engineering Company
- Adington, Holly
- Adirondack Iron & Steel Company
- Adirondack Museum (2)
- Adityavarman, Ryadi
- Adkins, Fronia
- Adkins, Harvey (2)
- Adkins, Homer M.
- Adkins, Jim A.
- Adkinson, Deborah
- Adkinson, Octavia
- Adkison, Deborah
- Adler & Sullivan (15)
- Adler, Dankmar (2)
- Adler, David (2)
- Adler, David A
- Adler, Henry
- Adler, Lou
- Adler, Michael
- Adler, Morris
- Adler, Stanley B
- ADM Milling Company
- Admiral Lines
- Adolph Amundson Boat Yard
- Adolph Green Construction Company
- Adolph Soeffing & Company, Inc.
- Adolph, Alesha
- Adolphus Rose, Gustavus Adolphus
- Adornetto, Megan (2)
- Adrian Construction Company
- Adrian Wilson Associates (2)
- Adrianzen, J. (3)
- Adset, Charles
- Advisory Council of the Permanent Building Fund of the State of Idaho
- Advisory Council on Historic Preservation (9)
- Advocacy Community Development Corporation
- Aeck Associates (14)
- Aeck, Richard (14)
- AECm
- AECOM (26)
- Aeolian Yacht Club
- Aermotor Company (3)
- Aero Acres (2)
- Aero Club of Lansing (3)
- Aero Spacelines, Inc
- Aerofin Corporation
- Aerojet Engineering Corporation
- Aerojet General (7)
- AES Kuihelani Solar, LLC
- Aetna Construction Company (4)
- Aetna Engineer and Contracting Company
- Aetna Engineering and Contracting Company (3)
- AETRON
- Aferiat, Paul (4)
- Affelder, William
- Affholter, L P
- Affleck, Elizabeth B.
- Affleck, Gregor P.
- Affleck, Gregor S.
- Affleck, R. W.
- AFL Boilermakers
- Afolabi, Oyeronke
- African American Agricultural Extension Agent
- African American Cultural Center
- African American Historical and Genealogical Society
- African Humane Society
- African Methodist Episcopal Church
- African Methodist Episcopal Church (A.M.E.) Church
- Afro-American Bicentennial Corporation
- Aftermaster Studio
- Afton, John K.
- Afuso, Chikase (2)
- Afuso, Susumu (2)
- AG Vulcan Stettin
- AG-SCH 8150 Sunset Blvd. Owner, L.P.
- Agassiz, Alexander (4)
- Agbayani, Paulo
- Agee, Bill (15)
- Ageloff, Scott M. (5)
- Aging, Laura
- Agnew & Company
- Agnew, Frances
- Agnew, Park
- Agnew, William
- Agnus (?), Job
- Agoos Lovera
- Agostini, Peter
- Agricultural Adjustment Act (1933)
- Agua Fria Construction Company
- Agua Fria Water and Land Company
- Aguayo, Kevin
- Aguirre, Maria
- Agutter, Jim (19)
- Ahern, Michael
- Ahl, Daniel
- Ahl, Peter
- Ahlgren, Clara A.
- Ahloy, Manuel
- Ahlsstrom, Charles A.
- Ahlstrom, Aaron (3)
- Ahmadi, Fananak (2)
- Ahn, Kun-Hyuck (13)
- Ahoronian, Christine
- Ahrens, August (2)
- Ahumada, Luis D
- Ahwaneeches
- Aicher, Simon
- Aiea Bowl
- Aifson, Mary (19)
- Aiken, A W
- Aiken, D Wyatt
- Aiken, Henry
- Aiken, Joyce
- Aiken, Margaret Lloyd
- Aiken, Samuel
- Aiken, William (3)
- Aiken, William Martin
- Aikin, Hannah (7)
- Aini, Siti Nurainawati
- Ainlay-Conley, Jacqui
- Ainslie Cochran & Company (2)
- Ainsworth, Culver M.
- Air Corps Advanced Flying Schools
- Air Corps Gunnery School
- Air Force (15)
- Air Force 311th Mission Support Group Headquarters
- Air Force Academy Foundation
- Air Force Academy in Colorado Foundation, Inc.
- Air Force Armament Center
- Air Force District of Washington
- Air Force Memorial Foundation
- Air Force Research Laboratory (AFRL) (5)
- Air Force Research Laboratory (AFRL)/ Army Directed Energy Laser Laboratory
- Air Force Service Command
- Air Force Systems Command
- Air National Guard
- Air Products, Incorporated
- Air Research and Development Command (2)
- Air Survey Corporation (6)
- Air Survey Corportaion
- Air Warning Service
- Air-Con, Inc.
- Aircooled Motors, Inc.
- Airey, J Bruce
- Aitken, George
- Aitken, H. G. (2)
- Aitken, James
- Aitken, Mary
- Aitken, Robert (2)
- Aitkin, William H., Jr.
- AJ Diani Company
- Ajami, Bilal Sultan
- Ajax Electric Company
- Ajax Magnethermic
- AJT & Associates (3)
- AJT & Associates, Inc of Cape Canaveral, Florida
- AJT & Associates, Inc.
- Akagi, Ray
- Akahi Painting Corporation
- Akaji, Bumpei
- Akashi, Naibu
- Akboy, Serra (5)
- Akers, James S
- Akhalg, Kamran
- Akimel O'odham
- Akina, Allen
- Akina, Frank
- Akina, Frank Jr
- Akina, Rebecca Goodness
- Akinaka, David A, Y
- Akins
- Akins, Zoe
- Akiona, Moses (6)
- Akley, Gordon
- Akley, Jack
- Akley, Nora
- Akrim, Muthanna
- Akron Civic Organ Guild
- Akron Fulton Airport
- Akron Metropolitan Park District
- Akzo Salt Incorporated
- Al Johnson Construction Company
- Al Moghnam, Saleh
- Al S. Fox & Company
- Al Sabbagh, Jihad (4)
- Al Shathir, Ayad
- Al-Mer Shad, Waleed
- Al-Mershad, Waleed
- Al-Nammari, Fatima M. (3)
- Al-Ratrout, Samer
- Al-Shaibani, Awss
- Alabama Bridge Corporation
- Alabama Christian Movement for Human Rights (2)
- Alabama College
- Alabama Dry Dock and Shipbuilding Company
- Alabama Girls' Industrial School
- Alabama Girls' Technical Institute
- Alabama Historical Commission (11)
- Alabama Ice Manufacturers' Association
- Alabama Marble Company
- Alabama National Commission
- Alabama Polytech
- Alabama Polytechnic Institute, School of Architecture & Allied Arts
- Alabama State Highway Department (2)
- Alabama, Tennessee, & Northern Railroad
- Alabama-Georgia Manufacturing Company (2)
- Alabdullatif, Abdullah
- Aladdin Company
- Aladib, Perla
- Alameda County Department of Public Works
- Alameda County Medical Center
- Alameda Court
- Alameda Fabricating Works
- Alameda Gateway Limited
- Alameda Marina Center Associates
- Alamo Construction Company
- Alamo Iron Works
- Alamo Roman and Portland Cement Company
- Alan Wood Iron and Steel Company
- Alan, Ralph
- Alanen, Arnold (3)
- Alarcon, Ricardo A
- Alarifi, Saad (2)
- Alascom
- Alaska Aggregate Corporation
- Alaska and Northwest Territories Trading Company
- Alaska Bounty Seafoods and Smokery
- Alaska Charters, Inc.
- Alaska Coal and Coke Company
- Alaska Commercial Company (4)
- Alaska Copper & Coal Company
- Alaska Department of Highways
- Alaska Department of Transportation and Facilities
- Alaska Department of Transportation and Public Facilities (4)
- Alaska Diocese, Orthodox Church in America (3)
- Alaska Engineering Commission (11)
- Alaska Engineering Corporation
- Alaska Gold Company
- Alaska Housing Authority
- Alaska Pacific Salmon Corporation
- Alaska Packers Association (2)
- Alaska Packers' Association (APA)
- Alaska Railroad (5)
- Alaska Railroad Corporation (9)
- Alaska Road Commission (4)
- Alaska Road Service
- Alaska State Housing Authority
- Alaska Transportation Company
- Alaskan Air Command
- Alaskan Air Command (AAC)
- Alaskan Sea Frontier (ALSEAFRON)
- Alathamneh, Shadi
- Alavoine et Cie.
- Alb & Upas (3)
- Alba, Beatriz (5)
- AlBalushi, Nouf (3)
- Alban Ranch Mining Company
- Albanese, Dominick T
- Albanese, Dominick T. (4)
- Albany Historical Society, Incorporated
- Albany Northern Railroad Company
- Albaugh Opera House
- Albee & Bachelder
- Albemarle Training School
- Alberete, Jesus
- Alberger Curtis
- Alberice, Carol Pennell
- Albermar Company
- Albern Color Research, Incorporated (2)
- Albers Milling Company (2)
- Albers, Gregory M
- Albers, John G (2)
- Albers, John G. (16)
- Albers, Paula (2)
- Alberstadt, John (2)
- Alberstadt, John L (3)
- Albert
- Albert A. Albrecht Company
- Albert A. Lutz Company, Inc.
- Albert A. Volk, Inc.
- Albert C. Martin and Associates
- Albert C. Martin Architect and Engineers
- Albert Criz & Associates (13)
- Albert Development Corporation (3)
- Albert Duncan & Family
- Albert Kahn & Associates (3)
- Albert Kahn Associated Architects and Engineers (17)
- Albert Kahn Associates (13)
- Albert Kahn Inc., Architects
- Albert Kahn Incorporated
- Albert Kahn, Associated
- Albert Kahn, Inc. (17)
- Albert Kahn, Inc., Architects and Engineers
- Albert Kahn,Incorporated
- Albert Khan Associated Architects and Engineers (3)
- Albert Khan Associated Architects and Enigeers
- Albert L. Smith
- Albert Martin and Associates
- Albert, J.
- Albert, Klara L. (14)
- Albertson & Cornell Bros
- Albertson, David
- Alberty, Beulah G.
- Alberty, C.
- Alberty, W. M.
- Albina Art Center
- Albina Engine and Machine Works
- Albinson, Don
- Albouy, Stefan
- Albre Marble & Tile Company
- Albrecht, Brian (3)
- Albrecht, Fannie
- Albrecht, Jacob
- Albrecht, John
- Albrecht, William
- Albright & Friel, Incorporated
- Albright, Harrison (3)
- Albright, Horace M. (34)
- Albright, John R
- Albritton, Lee (2)
- Albro Metal Products Corporation
- Albuquerque Area Indian Health Service
- Albuquerque Cemetery Association
- Albuquerque Job Corps Center
- Alby, Fred
- Alcan Pacific Company
- Alcaro, Gregorio
- Alcatel-Lucent
- Alciatore
- Alciatore, Jules
- Alco, Julian H.
- Alcoa
- Alcorn, W B
- Alcorn, W. B.
- Alcott, Louisa May (2)
- Aldarondo, Carmen Caban
- Alden & Harlow (2)
- Alden & Harlow Longfellow
- Alden and Lassig Bridge and Iron Works (2)
- Alden E. Stilson and Associates
- Alden, Charles H
- Alden, Frank E
- Alden, John F
- Alden, L T
- Alden, Timothy
- Alden-Sampson Manufacturing Company
- Aldenderfer, Mark
- Alderete, David (2)
- Alderman, Britt, Jr
- Alderman, Edwin A.
- Alderman, Laura S. (13)
- Alderman, R. D.
- Alderson, Carline R
- Alderson, Caroline A
- Alderson, Caroline R (24)
- Alderson, Caroline R. (5)
- Alderton, H. E.
- Alderton, H. S.
- Alderwoods Group
- Aldman & Lickman
- Aldo Leopold Foundation
- Aldrich and Hall
- Aldrich, Abbie
- Aldrich, Charles H
- Aldrich, Chester (2)
- Aldrich, Elwood H.
- Aldrich, L S
- Aldrich, Lloyd
- Aldrich, Walter
- Aldrich, William F
- Aldrich, Withrop W
- Aldwyn Construction Company
- Alegrett, Daniela Valera (3)
- Aleman, Lareana (2)
- Aleshire, J. B.
- Aleson, Harry
- Alessio, John S
- Alex the Tailor
- Alex, Mike (3)
- Alexander
- Alexander & Baldwin (A & B) Company
- Alexander & Baldwin (A & B) Properties
- Alexander & Baldwin Properties Windward, LLC
- Alexander & Higbee
- Alexander and Repass Construction Company
- Alexander Jack's Dye & Print Works
- Alexander Smith & Sons
- Alexander, A C
- Alexander, A F
- Alexander, Andrew (2)
- Alexander, Ann Marie
- Alexander, Archie Alphonso
- Alexander, B Charles
- Alexander, Barton S (2)
- Alexander, Barton S.
- Alexander, Becker & Schoeppe
- Alexander, C. (2)
- Alexander, Denise
- Alexander, Drury
- Alexander, Drury B (26)
- Alexander, Drury B.
- Alexander, Drury Blake (2)
- Alexander, E. Porter
- Alexander, Elam (5)
- Alexander, Emily
- Alexander, Frances (11)
- Alexander, Frances P. (2)
- Alexander, Frank
- Alexander, Gilbert
- Alexander, H. N.
- Alexander, Helen
- Alexander, J H
- Alexander, J. (82)
- Alexander, J. B.
- Alexander, James (2)
- Alexander, Jim
- Alexander, John
- Alexander, John, Jr.
- Alexander, Katherine
- Alexander, Lewis
- Alexander, Mary (2)
- Alexander, Moses (2)
- Alexander, Patrick
- Alexander, Robert (3)
- Alexander, Robert B
- Alexander, Robert E. (5)
- Alexander, Samuel T.
- Alexander, Sandy
- Alexander, Sarah Camion
- Alexander, Sigismunda Mary Massey
- Alexander, Thomas G (2)
- Alexander, Wallace
- Alexander, Will
- Alexander, William (3)
- Alexander, William T
- Alexanderson, L. J.
- Alexandria American War Mothers
- Alexandria Canal Company (2)
- Alexandria Chamber of Commerce
- Alexandria City Hall
- Alexandria Historical Society
- Alexandria Iron Works (3)
- Alexandria Lumber Company
- Alexandria Redevelopment Housing Authority
- Alexandria-Washington Lodge No. 22
- Alf, Glenn
- Alfonsin, Paul
- Alfonso, Robert
- Alford, A N
- Alford, Terry
- Alfred Benesch & Associates
- Alfred Benesch and Associates
- Alfred Bult Mullett & Company
- Alfred E. Lyle Company
- Alfred Jenks Incorporated
- Alfson, Mary (81)
- Alfulaij, Saud
- Alger, Alpheus B.
- Alger, Henry
- Alger, Russell A
- Alger, Russell A. (3)
- Algernon Blair Industrial Contractors
- Algernon Blair, Montgomery, Alabama
- Alghamdi, Mohammed (2)
- Alghannam, Othman
- Algie, G.
- Algoma Steel Corporation
- Algoma Steel Corporation Limited
- Ali Haggin, James Ben
- Ali, Diab
- Ali, Maria F.
- Ali, Mustafa (4)
- alias Belasise, George Richard
- Alice-Sidney Dryer and Seed Company
- Alicea-Matos, Monica
- Alise O'Brien Architectural Photography (3)
- Alison, John R.
- Alisto Engineering
- Alisto Engineering Group
- Aljoher, Hussain
- Alkadi, Abrar Abdullah H.
- Alkandari, Naser
- All Aboard Florida - Operations, LLC (2)
- All-City Landscape
- All-Steel Equipment Company
- Allaback, Sarah (23)
- Allan, Aaron (2)
- Allan, Chris (20)
- Allan, John
- Allanbrook, Timothy (19)
- Allard and Sons
- Allard, Paul (27)
- Allegany County Board of Commissioners (5)
- Alleghany County Department of Public Works
- Allegheny Arsenal
- Allegheny Ballistics Company
- Allegheny Bessemer Steel Company
- Allegheny Cemetery
- Allegheny City Department of Public Works
- Allegheny College
- Allegheny County
- Allegheny County Department of Public Works (11)
- Allegheny County Engineer
- Allegheny County Housing Authority (9)
- Allegheny Electric Company
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