412-562-8800
Union Trust Building, 501 Grant Street, Suite 200, Pittsburgh, PA, 15219, 
5) Allegheny County Bar Association
6) Allegheny County Sanitary Authority
7) Allegheny County Treasurer's Office
8) American Association for Marriage and Family Therapy
9) Aspire Grant & Development, LLC
11) Bayer U.S. LLC
13) Carnegie Institute d/b/a Carnegie Museums of Pittsburgh
14) Carnegie Library of Pittsburgh
15) Center for Organ Recovery and Education
16) CHILDREN'S MUSEUM OF PITTSBURGH
17) COLUMBIA GAS OF PENNSYLVANIA
18) Community College of Allegheny County
20) DUQUESNE UNIVERSITY OF THE HOLY SPIRIT
22) Epilepsy Association of Western and Central PA
23) Excela Health
25) First National Bank of Pennsylvania
27) Free Library of Philadelphia Foundation
28) GeoToll, Inc.
29) GREATER PITTSBURGH CHAMBER OF COMMERCE
30) Hello Neighbor
31) Historical Society of Western Pennsylvania
37) IRC Network Inc.
38) Jackson Township,Butler County
39) Koch Government Affairs, LLC and Affiliates
40) LTCMI
42) Mattress Factory
44) National Constitution Center
45) Pennsylvania Legal Aid Network, Inc.
47) Piatt Companies, formerly known as Esplanade Partners LP
51) Pittsburgh Supercomputing Center
52) Port of Pittsburgh Commission
53) Regional Industrial Development Corporation
55) Seneca Resources Company, LLC
56) Shallenberger Enterprises, LLC
57) South College
58) Southwestern Pennsylvania Corporation
60) Tesla, Inc.
61) THE BANK OF NEW YORK MELLON CORPORATION
62) The Mentoring Partnership of Southwestern Pennsylvania
64) Tremco CPG Inc.
65) Trib Total Media
66) UNITED WAY OF SOUTHWESTERN PENNSYLVANIA, NAME CHANGED FROM UNITED WAY OF ALLEGHENY C
412-562-1449
Union Trust Building, 501 Grant Street, Suite 200, Pittsburgh, PA, 15219, 
6) Allegheny County Sanitary Authority
7) Allegheny County Treasurer's Office
8) American Association for Marriage and Family Therapy
10) Bayer U.S. LLC
11) Blind & Vision Rehabilitation Services
13) Carnegie Institute d/b/a Carnegie Museums of Pittsburgh
14) Carnegie Library of Pittsburgh
15) CHILDREN'S MUSEUM OF PITTSBURGH
17) COLUMBIA GAS OF PENNSYLVANIA
18) Community College of Allegheny County
19) Covestro LLC
21) DUQUESNE UNIVERSITY OF THE HOLY SPIRIT
23) Excela Health
25) First National Bank of Pennsylvania
27) Free Library of Philadelphia Foundation
28) GeoToll, Inc.
29) Google LLC and its Affiliates
30) Hello Neighbor
31) Historical Society of Western Pennsylvania
32) Holistic Alternative Recovery Trust
35) IRC Network Inc.
36) LTCMI
38) Mattress Factory
40) National Constitution Center
43) Piatt Companies, formerly known as Esplanade Partners LP
46) Port of Pittsburgh Commission
47) Regional Industrial Development Corporation
49) Seneca Resources Company, LLC
50) Southwestern Pennsylvania Corporation
51) Tesla, Inc.
52) The Mentoring Partnership of Southwestern Pennsylvania
54) Trib Total Media
55) UNITED WAY OF SOUTHWESTERN PENNSYLVANIA, NAME CHANGED FROM UNITED WAY OF ALLEGHENY C